Doosan DX380LC-7K Operation And Maintenance Manual

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Operation and Maintenance Manual

DX380LC-7K Excavator

10001 and Up

Serial Number

DOOSAN and the DOOSAN logo are registered

trademarks of DOOSAN Corporation in the United

950106-02642EN

States and various other countries around the

October 2021

world.

Original Instructions

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Page 1 Operation and Maintenance Manual DX380LC-7K Excavator 10001 and Up Serial Number DOOSAN and the DOOSAN logo are registered trademarks of DOOSAN Corporation in the United 950106-02642EN States and various other countries around the October 2021 world. Copyright DOOSAN 2021© Original Instructions...
Page 2 These changes can affect the service that is given to the product. Obtain the complete and most current information before you start any job. Doosan distributors have the most current information available.
Page 3: Table Of Contents
Table of Contents Foreword ..................0-1 SCR Catalytic Converter..............0-6 EC Declaration of Conformity ............0-8 Regulation (EU) 2017/654 Annex XV ..........0-10 DoosanConnect System General Information and Privacy Notice .. 0-11 Safety ..................1-1 Safety Decals..................1-2 General .................... 1-17 Transportation.................. 1-30 Operation ..................
Page 4 Seat Belt ..................2-85 Engine Emergency Stop Switch............2-86 Emergency Exit Glass Breaking Tool ..........2-86 Miscellaneous Convenience Devices ..........2-87 Miscellaneous Access Covers and Doors........2-93 Air Gun and Compressor (If Equipped)..........2-95 Operation..................3-1 To Operate a New Excavator............. 3-1 Starting and Stopping Engine ............
Page 5 50 Hour / Weekly Service ..............4-39 250 Hour / Monthly Service.............. 4-43 500 Hour / 3 Month Service ............. 4-48 1,000 Hour / 6 Month Service ............4-60 2,000 Hour / Yearly Service ............. 4-70 4,000 Hour / Biennial Service ............4-82 12,000 Hour / 6 Year Service............
Page 6 Table of Contents DX380LC-7...
Page 7: Foreword
If it is lost, order another one from your DOOSAN distributor. If there are any questions, contact your DOOSAN distributor. This manual may illustrate options and accessories not installed on your equipment.
Page 8 Contact your DOOSAN distributor for further information. Attachments These and other attachments are approved for use on this machine. Do not use unapproved attachments. Attachments not manufactured by DOOSAN may not be approved. See your DOOSAN distributor information about approved attachments and attachment manuals.
Page 9 Keep these numbers on file in case machine is stolen. EX1403864 Figure 1 EX1301247 Figure 2 Machine Type Doosan Infracore Co., Ltd. 7-11, Hwasu-dong, Dong-gu, Model Name Incheon, Korea Product MODEL Identification Number...
Page 10 SCANIA Authorized Repair Location. The following information on data plate is mandatory when sourcing service parts: Reference Description Number Doosan Engine Plate DS2103942 Figure 4 Scania's Standard Plate Your Machine Serial Numbers Product Identification Number (PIN) Machine Serial No.
Page 11 Signal Words The signal words "DANGER", "WARNING", "CAUTION" are used throughout safety messages and safety decals in this manual or on the machine. They indicate an existence of, and the relative seriousness of, a hazard. All three indicate that a safety risk is involved.
Page 12: Scr Catalytic Converter
SCR Catalytic Converter WARNING AVOID DEATH OR SERIOUS INJURY The SCR catalytic converter contains vanadium pentoxide, a chemical known to the State of California to cause cancer. The SCR catalytic converter is fitted in the silencer and does not constitute a health hazard during normal use and handling. When carrying out work on the SCR catalytic converter which may result in exposure to dust, safety precautions must be taken.
Page 13 • If the SCR catalytic converter is opened for maintenance, any dust spillages from the catalyst should be collected and tested for the presence of vanadium pentoxide prior to proper disposal. Dust spillages should also be tested for any hazardous characteristics (ignitability, corrosivity, reactivity, acute hazardousness, and toxicity), as those categories are described in 22 CCR §...
Page 14: Ec Declaration Of Conformity
EC DECLARATION OF CONFORMITY Doosan Infracore Europe s.r.o., Pobřežní 620/3, Karlín, 186 00 Prague 8, Czech Republic as authorized representative in the European Community of Doosan Infracore Co., Ltd., certifies that the construction equipment machinery; Type of Machine : Hydraulic Crawler Excavator...
Page 15 EC DECLARATION OF CONFORMITY Doosan Infracore Europe (UK Branch), Doosan House, Unit 6, CF157QU, Nantgarw Park, Nantgarw, Cardiff, (United Kingdom) as authorized representative in the Great Britain of Doosan Infracore Co., Ltd., certifies that the construction equipment machinery; Type of Machine :...
Page 16: Regulation (Eu) 2017/654 Annex Xv
Regulation (EU) 2017/654 Annex XV Doosan provide to the customer all information and necessary instructions for the correct operation of the engine in order to maintain the gaseous and particulate pollutant emissions of the engine within the limits of the approved engine type or engine family.
Page 17: Doosanconnect System General Information And Privacy Notice
We will de-identify your personal data collected through this Doosan® machine no later than ten (10) years after the last use of this machine, whether this was a use by you or not, unless one of the purposes below justifies a longer retention period.
Page 18 For more information on how Doosan processes personal data, please check out our general data protection notice, which is available here https://eu.doosanequipment.com/en/privacy-policy. You can contact us via e-mail at communications.emea@doosan.com or sending us a letter via registered post at the address Doosan Bobcat EMEA s.r.o., Legal department, U Kodetky 1810, 263 12 Dobris, Czech Republic.
Page 19: Safety
Safety DX380LC-7 Safety...
Page 20: Safety Decals
Safety Decals Safety decals are attached to the machine to alert the operator maintenance person about potential hazards, consequences of potential injury, and instructions and/or actions required to avoid the hazard. The location of the safety decals and the description of the decals are reviewed in the following section.
Page 21 Safety Decals Without Text (No-Text) Vertical Configuration Safety decals without text consist of a hazard panel(s) and avoidance panel(s). Hazard panels are located at the top or left side and the avoidance panels are located at the bottom or right side of the decal depending on its configuration.
Page 22 Information and Location for Safety Decals DS1900721 Figure 2 Safety DX380LC-7...
Page 23 Information and Location for Safety Decals (Continued) DS1900722 Figure 3 DX380LC-7 Safety...
Page 24 General Hazard (950205-03804) EX1301176 WARNING AVOID DEATH OR SERIOUS INJURY • Never use excavator without instructions. • Read Operation & Maintenance Manual before operation. • Sound the horn to alert bystanders before operating. • Always fasten your seat belt. • Explosion or electrocution can occur if machine contacts utility lines or pipes.
Page 25 Warning Tag - "Do Not Operate" (950205-03802B) WARNING AVOID DEATH OR SERIOUS INJURY • Stop engine and remove key. • Attach "DO NOT OPERATE" warning tag to the 950205-03802B controls before servicing the machine. • Do not operate when performing inspection or DS1801807 maintenance.
Page 26 Rotating Fan (950205-03788) WARNING CONTACT WITH ROTATING FAN CAN CAUSE DEATH OR SERIOUS INJURY Keep away from fan and rotating parts. Stop engine 950205-03788 before servicing. EX1301182 Battery Explosion (950205-03785) WARNING AVOID DEATH OR SERIOUS INJURY • Read and follow instructions in Operation & Maintenance Manual for battery maintenance.
Page 27 Flying Debris or Objects (950205-03866) WARNING HIGH-PRESSURE GREASE CAN CAUSE DEATH OR SERIOUS INJURY EX1301185 • Track adjusting systems use grease under high- pressure which can penetrate body if improperly serviced. • NEVER LOOSEN track tension grease valve more than one complete turn from the fully tightened position.
Page 28 12. Fall Hazard (950205-03783) WARNING AVOID DEATH OR SERIOUS INJURY Do not step in this area. EX1301188 13. Hot Surface (950205-03777) WARNING HOT SURFACE CAN CAUSE SERIOUS BURNS • Do not touch hot surface. • Allow to cool before servicing. EX1301189 14.
Page 29 15. ISO Control Pattern / Hydraulic Breaker / Electric Welding Attention (950205-07527) WARNING 950205-07527 AVOID INJURY OR DEATH DS1802854 Read and understand the Operation & Maintenance Manual for more information. Refer to "Operating Instructions" section of this manual details regarding work levers (joysticks) control functions.
Page 30 18. ROPS Warning (950205-03861) WARNING AVOID DEATH OR SERIOUS INJURY • Do not weld on or drill holes in the protective structure. • Replace ROPS, if damaged or modified. 950205-03861 950205-03861 EX1301197 19. Falling Object (950205-03786) WARNING UNSUPPORTED DOOR CAN FALL CAUSING DEATH OR SERIOUS INJURY •...
Page 31 0.9295 tons. GWP: 1,430 The GWP of HFC-R134a is 1,430. 950205-06971 • Every Machine of DOOSAN is clearly attached with an information label. DS2101995 • EU regulation 2015/2067 of 17 November 2015 imposes to all undertaking (natural persons or...
Page 32 21. Hydraulic Oil Check (950205-03965, 950205-06282) NOTICE INCORRECT OIL LEVEL OR INCORRECT FLUID CAN CAUSE HYDRAULIC SYSTEM DAMAGE Place the excavator with the boom and arm fully extended with the attachment on the ground before checking hydraulic fluid level. Use hydraulic oil which is suitable for machine. EX1505098 950205-06282 EX1505099...
Page 33 23. Lift/Tie down (950205-03815) Identifies lift point and tie down point location. 950205-03815 EX1301201 24. Tie down (950205-03816) Identifies tie down point location. EX1301203 25. Do Not Lift (950205-03570) WARNING AVOID DEATH OR SERIOUS INJURY Not a lift point for machine. Refer to the "Lifting Machine"...
Page 34 26. DEF (AdBlue ® ) (950205-01489A, 950205-07694B) NOTICE • Use only the specified diesel exhaust fluid. • See the Operation & Maintenance Manual for more information. ISO 22241 DIN 70070 950205-01489A WL1300370 WARNING Foreign matter entering the DEF (Adblue) tank may damage the SCR system or halt the engine.
Page 35: General
General Safe Operation is Operator's Responsibility Only trained and authorized personnel should operate and maintain the machine. Follow all safety rules, regulations and instructions when operating or performing maintenance on machine. • Do not operate machine if you are under the influence of drugs or alcohol.
Page 36 Proper Work Tools and Attachments Only use work tools and attachments that are recommended by DOOSAN for use on DOOSAN machines. When installing and using optional attachments, read instruction manual for attachment, and general information related to attachments in this manual.
Page 37 Additional protection for operator's cabin could be required such as an Operator Protection Guard (OPG) or window guards. Contact your DOOSAN distributor for information on available protective guards. HAOA110L Figure 5 To prevent personnel from being struck by flying objects, keep personnel out of work area.
Page 38 Personal Protective Equipment (PPE) Do not wear loose clothing and accessories. Secure long hair. These items can snag on controls or on other parts of equipment. Do not wear oily clothes. They are highly flammable. Do not forget that some risks to your health may not be immediately apparent.
Page 39 Do not depend on hydraulic cylinders to support raised equipment. Equipment can fall if a control is moved, or if a hydraulic line breaks, is loosened or disconnected. If it is necessary to remove guards to perform maintenance, always install guards after maintenance is completed. HDO1010L Figure 8 Hot Coolant and Oils - Burn Prevention...
Page 40 Fire and Explosion Prevention All fuels, most lubricants and some coolant mixtures are flammable and can cause a fire resulting in death or serious injury, and property damage. Flammable fluids that are leaking or spilled onto hot surfaces or onto electrical components can cause fire.
Page 41 Electrical Check all electrical wiring and connections for damage daily. Keep battery terminals clean and tight. Repair or replace any damaged part or wires that are loose or frayed. Clean all electrical connections and tighten all electrical connections. Never check battery charge by placing a metal object across terminal posts.
Page 42 Fueling Use caution when you are refueling a machine. Fuel is flammable and can catch fire if it is brought close to a flame. Stop engine and let it cool before adding fuel. Do not smoke while you are refueling a machine. Do not refuel a machine near flames or sparks.
Page 43 If a Fire Occurs If a fire occurs: • Do not attempt to move machine or continue operations. • Turn starter switch to "O" (OFF) position to stop engine. • Use handrails, guardrails and steps to get off machine. • Immediately call for help or fire station.
Page 44 Never modify the operator's cabin by welding, grinding, drilling holes or adding attachments unless instructed by DOOSAN in writing. Changes to the cabin can cause loss of operator protection from roll-over and falling objects, and result in death or serious injury.
Page 45 Never modify the operator cabin by welding, grinding, drilling holes or adding attachments unless instructed in writing by DOOSAN. Changes to the cabin can cause loss of operator protection from roll-over and falling objects, and can result in death or serious injury.
Page 46 Reinstallation, recertification and/or replacement of system may be necessary. Contact your DOOSAN distributor for available safety guards and/or recommendations to protect against objects that could strike operator's cabin. Make sure that all other work site crew members are kept away from excavator when operating.
Page 47 Emergency Exit from Operator's Station This machine is equipped with a glass breaking tool. It is found on left pillar of cabin. This tool can be used to break the glass to exit from cabin in an emergency. Grip handle firmly and use sharp point to break glass.
Page 48: Transportation
Manual for information on partial disassembly. Refer to "Transportation" on page 5-1, for information on loading, unloading and towing. The machine can be disassembled into parts for transporting. Contact your DOOSAN distributor assistance with disassembly. Loading and Unloading To prevent machine tipping or roll-over when loading or unloading machine, always do the following: •...
Page 49 • For machines equipped with a cabin, always lock door after loading machine to prevent door from suddenly opening during transportation. Transporting Machine When transporting machine on a trailer or truck, do the following: • The weight, transportation height, and overall length of machine may change depending on work equipment attached to it.
Page 50: Operation
Operation Always make sure that the machine is properly maintained. Before Engine Starting Machine Condition Every day before starting engine for first time, perform the following checks and repair machine before operating, as necessary. If these checks are not properly done death or serious injury could result.
Page 51 Work Site Before starting operations, thoroughly check work area for any hazards, such as underground utility lines, overhead electrical lines, unstable ground, excessive slopes, etc. Before starting engine and moving machine, make sure that no one is underneath machine, around machine, or on machine. Know width and length of your machine and work equipment to maintain proper clearance when you operate machine or work equipment near fences or near boundary obstacles.
Page 52 Mounting/Dismounting Before getting on or off machine, if there is any oil, grease, or mud on handrails, guardrails, steps, or track shoes, wipe it off immediately. Always keep these parts clean. Repair any damage and tighten any loose bolts. Never jump on or off machine. In particular, never get on or off a moving machine.
Page 53 Cleaning Remove all straw, wood chips, leaves, grass, paper and other flammable debris accumulated in engine compartment, mufflers and around battery. Remove any dirt from window glass, mirrors, handrails, and steps. Do not leave tools or spare parts in operator's cabin. Vibration of machine during operation can cause tools or spare parts to fall and damage or break control levers or switches.
Page 54 If original color of webbing in these areas is extremely faded and/or webbing is packed with dirt, webbing strength may be reduced. NOTE: Contact your DOOSAN distributor for seat belt system replacement parts. WARNING AVOID DEATH OR SERIOUS INJURY...
Page 55 Visibility Information A rear/side view camera (if equipped) and mirrors provide the operator with additional means to see the work area. NOTE: These devices may vary from one region to another, depending upon local and regional regulations. If a machine is moved or sold into another region or marketplace, it is the owner's responsibility to make sure it complies with all applicable regulations.
Page 56 Inspect equipment and repair immediately if there are problems with visual aids. If machine cannot be fixed immediately, DO NOT use the machine. Contact your DOOSAN distributor and arrange for repairs. Restricted Visibility Some areas may not be seen from the operator's position.
Page 57 • Visible areas with rear CCTV and mirrors DS2100287 Figure 29 • Visible areas with side/rear CCTV and mirrors DS2100288 Figure 30 • Machine travel position – A is 5.1 m (16' 9") from swing center to bucket pin – B is 5.7 m (18' 8") from ground to arm pin DS1801218 Figure 31...
Page 58 Front mirror on the cabin (1) If equipped, adjust the front mirror on the cabin (1, Figure 27) so the front of the right track can be seen from the operator seat. DS1801222 Figure 32 Front mirror on the cabin (2) If equipped, adjust the front mirror on the cabin (2, Figure 27) so the front of the left side can be seen from the operator seat.
Page 59 Boost Starting or Charging Engine Batteries Follow these instructions to prevent an explosion or fire when connecting booster cables to batteries: • Turn "OFF" all electric equipment before connecting leads to battery. This includes electric switches on battery charger or battery booster equipment. •...
Page 60 NOTICE The machine has a 24V (-) negative ground electrical system. Use the same capacity 24V booster batteries when jump-starting engine. If the batteries are drained during starting procedures, jump-start engine using auxiliary or booster batteries according to the following procedure: Connecting Booster Batteries Stop engine before booster batteries (3, Figure 35) are mounted.
Page 61 Starting Engine Only operate the machine from the operator's seat with your seat belt fastened. Only operate controls while engine is running. Check for proper operation of all controls and all protective devices while you operate the machine slowly in an open area. •...
Page 62 Swinging or Traveling As a machine operator, you should know and follow local, state and federal laws and regulations when operating on public roads or highways. It is important to keep in mind that the machine, in comparison with the rest of traffic, is a slow moving and wide vehicle which can cause traffic delays.
Page 63 Never turn starter switch to "O" (OFF) position when traveling. This can lead to a loss of steering control. Travel Position Do not operate attachments while traveling. Do not change selected travel mode (FAST/SLOW) while traveling. Never travel over obstacles or excessive slopes that will cause machine to tilt severely.
Page 64 Lifting and Digging The operator is responsible for any load carried when traveling on public roads and while working with the machine. • Keep loads secure so they do not fall off while operating. • Do not exceed maximum load for the machine. Machine operation will be affected when center of gravity changes, caused by extended loads and different attachments.
Page 65 Operation on Slopes If the machine has to be used on a slope, pile soil to make a platform that will keep the machine as horizontal as possible. Improper traveling on steep slopes could result in machine tipping, roll-over or sliding down the slope. Always fasten your seat belt.
Page 66 Always attach wire rope onto left and right hooks and secure in position. • If engine on problem machine will not start or there is a failure in brake system, always contact your DOOSAN distributor. • Never go between towing machine and towed machine during towing operation.
Page 67 Attachment Never let anyone ride on any work attachment, such as bucket, crusher, grapple, or clamshell (grab bucket). This creates a falling and crushing hazard, and can result in death or serious injury. The clamshell, grapple, or magnet can swing in all directions. Move work levers (joysticks) in a continuous motion.
Page 68 Engine Stop Turn engine starter switch to "O" (OFF) position and remove engine starter switch key. Before lowering any equipment with engine stopped, clear area around equipment of all personnel and bystanders. This procedure will cause high-pressure air or hydraulic pressure to be released to lower equipment.
Page 69: Long Term Storage
Long Term Storage When a machine is taken out of service and stored for a time exceeding 30 days, steps must be taken to protect the machine. Leaving equipment outdoors exposed to the elements will shorten its life. An enclosure will protect the machine from rapid temperature changes and lessen the amount of condensation that forms in hydraulic components, engine, fuel tank, etc.
Page 70 During Storage • Once a month, start the engine and follow the "Hydraulic Oil Warm-up" procedures listed in this manual. • Operate hydraulic functions for traveling, swing and digging two or three times for lubrication after "Hydraulic Oil Warm-up". Coat all the moving parts and surfaces of the components with a new oil film after operating.
Page 71: Maintenance
Check for correct function after adjustments, repairs or service. Untrained operators and failure to follow instructions can result in death or serious injury. • Never service DOOSAN equipment without instructions. • Always lower bucket and blade to ground before doing any maintenance. •...
Page 72 Maintenance procedures which are not in this manual must be performed ONLY BY QUALIFIED SERVICE PERSONNEL. Always use genuine DOOSAN replacement parts. • Only authorized personnel should service and repair the machine. Do not allow unauthorized personnel into work area.
Page 73 Figure 46 maintenance, it can result in death or serious injury. Attach a "DO NOT OPERATE" warning tag to starter switch or to controls before servicing or repairing equipment. Warning tags are available from your DOOSAN distributor. DX380LC-7 Safety 1-55...
Page 74 Cleaning Clean machine before performing inspection and maintenance. If inspection and maintenance are done when machine is dirty, it will become more difficult to locate problems, and you could slip on steps and work platform areas and injure yourself. When washing machine, do the following: •...
Page 75 Fire and Explosion Prevention Fuels, most lubricants and some coolant mixtures are flammable. Flammable fluids that are leaking or spilled onto hot surfaces or onto electrical components can cause a fire resulting in property damage or death or serious injury. Store all fuels and all lubricants in properly marked and approved containers and keep away from all unauthorized personnel.
Page 76 Burn Prevention When checking radiator coolant level, stop engine, let engine and radiator cool down, then check coolant recovery tank. If coolant level in coolant recovery tank is near upper limit, there is enough coolant in radiator. Using gloves, loosen radiator cap slowly to release internal pressure before removing radiator cap.
Page 77 Rubber That Contains Fluorides Observe extra great care when it is suspected that you may have to handle rubber that contains fluorides. Certain seals which have to withstand high operating temperatures (e.g. in engines, transmissions, axles, hydraulic motors and pumps) may be made from rubber that contains fluorides, which, when exposed to high heat (fire), forms hydrogen fluoride and hydrofluoric acid.
Page 78 Rubber and Plastics Polymer materials when heated, can form compounds that create a health hazard and can harm the environment. Scrapped rubber and plastics must never be burned. Extra precautions must be taken when servicing machines that have been in a fire or exposed to extreme heat. If gas cutting or welding is to be done near such materials, the following safety instructions must be followed: •...
Page 79 Welding Repairs NOTICE When disconnecting or connecting connectors between ECU and engine, or connector between ECU and the machine, always disconnect the battery to prevent damage to ECU. If you do not follow this procedure, the ECU will be damaged and/or the engine will not operate properly. NOTE: Disconnect battery only when LED light is OFF after engine is turned OFF.
Page 80 Preparation for Electrical Welding On Body Structure To prevent damage to ECU by electrical welding, observe the following procedures: Turn battery disconnect switch to "OFF" position. Disconnect the connector between ECU and machine, and the connector between ECU and engine. Disconnect the negative (-) cable of battery.
Page 81 Lock Inspection Covers When performing maintenance with inspection cover open, use lock bar to secure cover and prevent accidental lowering of the cover caused by wind or movement of the machine. Working on Machine When performing maintenance operations on machine, prevent tripping and falling by keeping area around your feet clean and free of objects and debris.
Page 82 Figure 54 accumulator, or when disposing of accumulator, charged nitrogen gas must be properly released. Contact your DOOSAN distributor for assistance. • Wear safety goggles and leather gloves when working on an accumulator. Hydraulic oil under pressure can penetrate skin and result in death or serious injury. If fluid enters skin or eyes, get immediate medical attention from a physician familiar with this injury.
Page 83 Track Tension Adjustments Track adjusting systems use grease under high-pressure to keep track under tension. Grease under high-pressure can penetrate body and result in death or serious injury. Watch track or track spring to see if track is being loosened. NEVER LOOSEN track tension grease valve.
Page 84 If any loose bolts are found, stop work and tighten to specified torque. If any damaged hoses are found, stop operations immediately contact your DOOSAN distributor replacement parts. Safety DX380LC-7 1-66...
Page 85 Battery Battery Hazard Prevention Battery electrolyte contains diluted sulfuric acid and generates hydrogen gas. Hydrogen gas is highly explosive, and improper handling can cause death or serious injury, or fire. Always observe the following precautions. • Do not smoke or bring any flame near battery. •...
Page 86: Environment And Circumstances
Environment and Circumstances Work Site Areas Requiring Extra Caution • Do not operate too close to edge of a quay, ramp, etc. • Do not operate too close to edge of a steep slope or drop-off. Take care when working in a place where machine may tip over.
Page 87 Drop-off or Edge When working at edge of an excavation or near a drop-off, the machine could tip over, which can result in death or serious injury. Always fasten your seat belt. Check ground conditions of work site before operating to prevent the machine from falling or roll-over, and to prevent ground, stockpiles, or banks from collapsing.
Page 88 Loose ground may easily give way under weight of the machine. When working on loose or unstable ground, it is important not to dig too deep and to carefully reposition the machine. Do not panic and do not raise bucket, if ground should begin to collapse.
Page 89 Working in Contaminated Environment When working within area which is contaminated or where there is a health risk, check local regulations and contact your DOOSAN distributor for assistance with identifying what additional safety precautions need to be taken. DX380LC-7 Safety...
Page 90 Operation in Extreme Conditions Operation In Extreme Cold In extremely cold weather, avoid sudden travel movements and stay away from even slight slopes. The machine could slide down the slope. Snow accumulation could hide potential hazards and slippery surfaces. Warming up engine for a short period may be necessary to avoid operating with sluggish or reduced working capacity.
Page 91 Lubricate entire machine according to "Lubrication and Service Chart" on page 4-14, in this manual or lubrication chart on machine. Start engine and allow it to reach normal operating temperature before operating. • If mud and ice collects and freezes on any of moving parts while machine is idle, apply heat to thaw frozen material before attempting to operate machine.
Page 92 Do not park machine in sun for long periods of time. If possible, park machine under cover to protect it from sun, dirt and dust. Cover machine if no suitable shelter is available. Protect engine compartment and hydraulics from dirt and debris.
Page 93 Operation in Rainy or Humid Conditions Operation under rainy or humid conditions is similar to that as in extreme heat procedures previously listed. Keep all exposed surfaces coated with preservative oil. Pay particular attention to damaged or unpainted surfaces. Cover all paint cracks and chip marks as soon as possible to prevent corrosive effects.
Page 94 Operation at High Altitudes Operation instructions at high altitudes are the same as those provided for extreme cold. Before operating at high altitudes, engine fuel and air mixture may have to be adjusted according to appropriate engine manual. Check engine operating temperature for evidence of overheating.
Page 95 Asbestos Information WARNING AVOID DEATH OR SERIOUS INJURY Avoid exposure to dust containing asbestos as it can cause death or serious injury to the lungs and other organs (mesothelioma, lung and other cancers, and asbestosis). Asbestos dust can be HAZARDOUS to your health if it is inhaled. Materials containing asbestos fiber can be present on work sites.
Page 96 Disposal of Hazardous Materials Physical contact with used motor oil or gear oil could create a health risk. Wipe oil from your hands promptly and wash off any remaining residue. Used motor oil or gear oil is an environmental contaminant and should only be disposed of at approved collection facilities.
Page 97 Vibration Information NOTE: The level of vibration is influenced by many different parameters such as operator training, job site organization, weather, material, environment, machine type, machine and seat suspension system, attachments, and condition of the machine. Measurements are obtained on a representative machine, using measuring procedures as described in the following standards: ISO 2631/1, ISO 5349, and SAE J1166.
Page 98 • Inspect and maintain the seat suspension and adjustment mechanisms. Steer, brake, accelerate, shift gears, and move the attachments smoothly. (for wheeled machine) Adjust the machine speed and travel path to minimize the vibration level: • Drive around obstacles and rough terrain conditions; •...
Page 99: Operating Controls
Operating Controls The "Operating Controls" section consists of the following groups: "Component Locations" on page 2-2 "Operator's Area" on page 2-6 "Operational Controls and Panels" on page 2-7 "Display Monitor" on page 2-26 "User Menu" on page 2-44 "Around View Monitoring (AVM) System" on page 2-66 "Proximity Alarm System"...
Page 100: Component Locations
Component Locations DS1901932 Figure 1 Reference Reference Description Description Number Number Cabin Track Link and Shoe Boom Cylinder Idler Boom Track Adjuster Arm Cylinder Track Guard Upper Roller Bucket Cylinder Lower Roller Guide Link Sprocket Push Link Travel Motor Bucket Counterweight Side Cutter Hood...
Page 101 DS2103943 Figure 2 Reference Reference Description Description Number Number Engine Oil Centrifugal Cleaner Radiator Fan Pump Engine Oil Filter Diesel Heater (If Equipped) Precleaner Main Pump Air Cleaner Rotating Gear Pump (If Equipped) Oil Cooler Fan Motor DOC/DPF DX380LC-7 Operating Controls...
Page 102 DS2103944 Figure 3 Reference Reference Description Description Number Number Battery Fuel Cap Coolant Tank Hydraulic Oil Tank Breaker Filter (If Equipped) Suction Filter Air Compressor Pump Return Filter (If Equipped) Air Breather Window Washer Tank Pilot Filter Fuel Filler Pump Pre Fuel Filter and Water Separator DEF (AdBlue...
Page 103 DS2103945 Figure 4 Reference Reference Description Description Number Number Control Valve Center Joint Swing Device Solenoid Valve Swing Bearing DX380LC-7 Operating Controls...
Page 104: Operator's Area
Operator's Area DS2103946 Figure 5 Operating Controls DX380LC-7...
Page 105: Operational Controls And Panels
Operational Controls and Panels DS2103947 Figure 6 DX380LC-7 Operating Controls...
Page 106 Reference Reference Description Description Number Number Seat Wiper Control Panel Seat Belt 12V Power Socket Arm Rest 24V Power Socket Suspension USB Charger Joystick Height Adjustment Knob Safety Lever Left Joystick Lever Travel Speed Selector Switch Right Joystick Lever Light Switch Travel Lever Cabin Work Light Switch (If Equipped)
Page 107 Start/Stop Button Use the engine start and stop switch to operate the machine. Basic functions (OFF → ACC → Key On → START) ENGINE The color and illumination of the LED lamp indicate the current mode. START • OFF (LED: off) STOP The machine is motionless.
Page 108 Smart Key The smart key only works in key OFF mode. The key operates when the buttons are released. Operation method Pushing button no.1 turns the lamp on for one minute. Pushing button no.2 turns the lamp off. Pushing button no.3 selects the registered machine. (Up to six machines can be registered) DS1900266 Figure 8...
Page 109 NOTICE AVOID SERIOUS INJURY Take note of the following when using the smart key. • Always take the smart key with you when you leave the machine. • Place the smart key with the start button facing the rear of the machine to avoid starting the machine accidentally.
Page 110 If you are unsure of how to replace the battery, contact your local Doosan service center or authorized service agency for inspections and replacements. Remove the battery cover on the back of the smart key.
Page 111 There are also two smart key registration modes. When registering a new smart key after losing the key or when buying a used vehicle • Reset the smart key When creating a master key capable of controlling up to six machines •...
Page 112 HVAC Control Panel This panel is used to control air conditioner and heater in operator's cabin. AUTO AUTO AUTO Refer to "Heater and Air Conditioner Control Panel" on page 2-72, for more information. DS2100103 Figure 13 DAB Microphone (If Equipped) If equipped with hands free, it is used as a microphone.
Page 113 Windshield Washer Button Pressing the washer button will spray windshield washer fluid onto the windshield. Use only the proper windshield washer fluid in the system. NOTE: Do not operate the windshield washer without any fluid. If operated without any fluid, the washer motor may be damaged.
Page 114 Safety Lever See "Safety Lever" on page 3-11. Unlock Lock EX1300566 Figure 19 Travel Speed Selector Switch WARNING AVOID DEATH OR SERIOUS INJURY Do not operate the travel speed selector switch when machine is in motion. Temporary loss of control could result.
Page 115 Cabin Work Light Switch (If Equipped) This switch is used to control the cabin work lights, if unit is equipped with them. In this position, all cabin work lights are turned "OFF". In this position, the front cabin work lights on the front top of cabin will turn "ON".
Page 116 At 40% soot or less, forced regeneration is not performed even in the "I" position. If the switch is pressed to position II when in DPF regeneration inhibition (non-regeneration) mode, the warning lamp will light up on the display. Be careful.Z Mirror Heater Switch (If Equipped) Heats the heating wires in the side mirrors to get rid of frost and moisture.
Page 117 Overload Warning Switch (If Equipped) If unit is equipped with an overload warning device, push this switch to activate it. In this position, the overload warning device is turned "OFF". In this position, the overload warning device is turned "ON". When a load is lifted that reaches the machine's lifting limit, the warning symbol on the display monitor will turn "ON"...
Page 118 Air Compressor Switch (If Equipped) This switch is used to activate the air compressor system. When the switch is turned off, it returns to this position automatically. Air compressor system "OFF". Air compressor system "ON". NOTICE FG018273 Figure 29 In order to prevent the air compressor motor from overheating, do not run or attempt to run the motor continuously for longer than 30 minutes.
Page 119 One Touch Deceleration Button A Type B Type Press the left button on the top of the left-hand work lever (joystick) to reduce engine speed to "LOW IDLE". When the button is pressed, the engine speed is immediately reduce to "LOW IDLE" rpm. When the button is pressed, the machine is moved or the joystick is operated, the engine speed will return to the setting of the engine speed control dial.
Page 120 Breaker/Booster Button A Type B Type Press the left button on the top of the right-hand work lever (joystick) to boost the hydraulic pressure. Refer to the "Boost Mode" on page 3-26. NOTE: This button works with the breaker/boost/shear selector switch. See "Work Mode" on page 3-25. •...
Page 121 Quick Coupler Switch (If Equipped) This switch is used for engaging or releasing the attachment. See "Quick Coupler Operation" for further information. WARNING AVOID DEATH OR SERIOUS INJURY DO NOT OPERATE machine and attachment if quick DS1903332 Figure 37 coupler switch is in "I" (UNLOCKED) position. Failure to fully engage and lock attachment to the quick coupler can allow attachment to fall off causing death or serious injury.
Page 122 Display Monitor See "Display Monitor" on page 2-26. DS1900479 Figure 40 Around View Monitoring (AVM) Monitor (If Equipped) This monitor is displayed on the screen. It supports various views, giving greater convenience for operating the machine. An image appears on the monitor either when the key switch is in "I"...
Page 123 Hour Meter The hour meter is used to indicate the total number of operating hours on the engine. The meter will flash every four seconds when the engine is running to indicate that it is functioning properly. DS1901161 Figure 43 Photo Sensor The photo sensor detects the radiant energy of the sun.
Page 124: Display Monitor
Display Monitor DS2000212 Figure 45 Number Name Number Name Fuel Gauge Power Mode Selector Button Power Mode Indicator DEF (AdBlue ® ) Level Gauge Operating Mode/Flow Setting Engine Coolant Temperature Selector Button Gauge Auto Idle Selector Button Hydraulic Oil Temperature Gauge Menu Selector Button Tachometer...
Page 125 If the start mode switches to ACC mode, switch/button indicators on the display monitor turn on, the warning indicator turns on and the warning buzzer sounds for two seconds. The Doosan logo is displayed on the screen during functional checks. DS1900405...
Page 126 ® 2. DEF (AdBlue ) Level Gauge This gauge indicates the amount of DEF remaining in the DEF (AdBlue ) tank. ® White range - Normal amount of DEF. Red range - Not enough DEF. If the needle moves into the red range, the SCR error warning indicator activates.
Page 127 DS1900423 NOTICE Figure 54 If necessary, contact your local Doosan dealer or authorized service center for repairs. NOTE: For information on warnings, please refer to "Warning Pop-Up Messages" on page 2-41.
Page 128 8. Digital Clock The digital clock indicates the current time in one of two ways. • Time DS1900424 Figure 55 • Time + date For more information on setting the time, please refer to "User Menu" on page 2-44. Figure 56 DS1900982 9.
Page 129 The following items are reset when "Reset Trip Information" is selected. • Trip operating time • Trip fuel level • Trip fuel consumption DS1900428 Figure 59 11. Main Information Indicator Displays the information selected with the main information selector button. DS1901343 Figure 60 12.
Page 130 14. Operating Mode/Flow Setting Selector Button This button allows you to set the operating mode and flow rate. The following operating modes can be selected. • DIG mode • LIFT mode • ONE WAY mode DS1900760 Figure 63 • TWO WAY mode The flow rate can be set for the selected attachment;...
Page 131 16. Menu Selector Button Allows you to access the main menu. DS1900437 Figure 67 17. Back Button This button allows you to return to the previous menu from each sub-menu. DS1900438 Figure 68 18. Camera Mode Selector / ESC Button Operating the switch while on the main screen displays the camera screen.
Page 132 20. Mode Symbol Display The mode symbol indicators are as follows. Symbol Meaning Boost ON (if the operating mode is in excavation/lift mode) Pedal/joystick set by operating the two-way option Low/high/auto speed selected Work light ON Intelligent floating boom ISO/BHL joystick mode selected ISO BHL 21.
Page 133 22. Display Warning Symbols There are three types of warning symbols: Caution, Warning, and Failure. The symbols are as follows. Number Symbol Type Meaning Number Symbol Type Meaning Warning Battery warning Warning Clogged fuel filter Engine oil pressure Removable Warning Warning warning counterweight...
Page 134 Battery warning This warning indicates that the engine must be stopped. Turn the engine off immediately when this symbol appears. Continuing to work while this symbol is illuminated may severely damage the engine. • This warning symbol illuminates when there is a problem with the charging system while the engine is running.
Page 135 NOTICE When an indicator illuminates, turn the engine off and check the corresponding engine system. If necessary, contact your local Doosan dealer or authorized service center for repairs. WIF sensor This sensor indicates that the fuel pre-filter is full with water.
Page 136 11. Quick coupler warning This warning appears and a buzzer sounds when the quick coupler is released. WARNING AVOID DEATH OR SERIOUS INJURY Do not operate the machine or attachment with the quick coupler opened (unlocked). Make sure the quick coupler properly engaged (locked), Once after release (unlock) the quick coupler especially.
Page 137 21. Ultrasonic sensor failure Appears in the event of a failure in the ultrasonic sensor. 22. Engine rpm and starting restricted by TMS or TMS terminal failure Appears when there is a problem in the TMS terminal. 23. Coolant level warning Appears when there is a problem with the coolant level.
Page 138 33. GSM antenna failure Appears when the GSM antenna is malfunctioning or disconnected and cannot be recognized. 34. Satellite antenna failure Appears when the satellite antenna is malfunctioning or disconnected and cannot be recognized. 35. Check the machine This symbol illuminates when a certain machine function is not working. NOTE: When this symbol is illuminated, move the machine to a safe place, find the cause of the problem and fix it.
Page 139 Warning Pop-Up Messages Pop-up messages appear whenever a warning or alarm occurs in order to provide a brief description of the problem. Warning pop-ups disappear when the warning symbol disappears or when the ESC button/jog switch is pushed. In the event that there are several warnings and/or alarms, the jog switch can be used to check each warning and alarm.
Page 140 • Stop Machine Operation: Stop machine immediately and contact a service center. DS1900763 Figure 71 Communications offline Indicates that EPOS, EPOS/ECU communications are not working. The communications messages are as follows. • EPOS communications offline: EPOS communications offline, ECU communications online •...
Page 141 Auto shutdown notifications These notifications are displayed when the machine enters auto shutdown mode. A countdown until the engine shutdown is displayed along with an engine shutdown notification. The notification messages are as follows. • Countdown (1–60 sec. until shutdown): Indicates the time remaining until engine shutdown •...
Page 142: User Menu
User Menu User Menu - Access and Escape Methods Access Method On the normal display screen, click on the jog switch to access the user menu screen. The following menus can be accessed. • Maintenance • Fuel Efficiency Performance • Machine Configuration •...
Page 143 Maintenance Allows you to check the state of the consumables in the machine, monitor the machine, and check various notifications. The following menus can be accessed. • Expendables Management • Maintenance Notification Setting • Monitoring DS1900313 • Confirmation of Warning Sign Figure 76 Expendables Management This screen displays the usage time and replacement...
Page 144 How to change the replacement interval Select the consumable part that you wish to change. After selecting the consumable part, select 'Change Period'. After setting the new interval and pushing 'OK', the change of replacement interval is complete. DS1900317 Figure 80 Maintenance Notification Setting Consumable replacement...
Page 145 If there are no warnings, the following message is displayed: "No Warnings". DS1900320 Figure 83 Fuel Efficiency Performance This menu displays information about the vehicle fuel consumption. The following menus can be accessed. • Fuel Efficiency Data • Auto Shut-down Setting •...
Page 146 • Bottom axis: Days of operation until the present The weekly fuel efficiency data can be reset by selecting the ‘Reset’ button. DS1900324 Figure 87 Daily Fuel Efficiency Data This menu displays the fuel consumption for the current day. How to access: User Menu → Fuel Efficiency Performance →...
Page 147 The weekly operation history data can be reset by selecting the 'Reset' button. DS1900328 Figure 91 Daily Operational Data This menu displays the machine operating time, average fuel consumption, and amount of fuel used for the current day. How to access: User Menu → Fuel Efficiency Performance →...
Page 148 NOTE: Leaving the machine turned on without using it for an extended period of time after enabling the auto shutdown function may discharge the battery. Auto Shut-down Time Setting This menu allows you to set the time for enabling auto shutdown. How to access: User Menu →...
Page 149 Auto Idle Time Setting This menu allows you to set the time for enabling auto idle. How to access: User Menu → Fuel Efficiency Performance → Auto Idle Time Setting How to change the time for enabling auto idle – After setting the new time and pushing 'OK', the change of time for enabling auto shutdown is complete.
Page 150 AVM Setting AVM-related alarms, volume and guidelines can be set. access: User Menu → Machine Configuration → AVM Setting DS1900337 Figure 99 AVM Alarm Setting The AVM alarm buzzer can be turned on or off and the alarm detection range can be selected. How to access: User Menu →...
Page 151 Emergency Engine Speed Control Dial The control dial input screen provides a method for controlling the engine rpm by using the display monitor’s jog switch instead of the engine control dial. → access: User Menu Machine Configuration → Emergency Engine Speed Control Dial •...
Page 152 One Way/Two Way Select This menu allows you to choose between five settings saved in the one way/two way settings. How to access: User Menu → Attachment Management → One Way/Two Way Select The maximum flow rate and pressure for an attachment are displayed to the right of the name of the attachment.
Page 153 Max. E/G Limit The maximum engine rpm can be set. The configurable max. engine rpm range varies depending on the machine. How to access: User Menu → Attachment Management → One Way/Two Way Setting → Max. E/G Limit How to change the maximum engine rpm –...
Page 154 Button Type The one-way/two-way button type can be set. How to access: User Menu → Attachment Management → One Way/Two Way Setting → Button Type The attachment button types are as follows. • One-way: Toggle, push • Two-way: Toggle, push, proportion DS1900348 Figure 111 Change Name...
Page 155 The number can be set after selecting the name. How to change the attachment number – After selecting attachment number pushing 'OK', attachment number is changed. NOTE: The number for the name can be any number between 1 and 20. DS1900352 Figure 115 Breaker Operation Time Setting...
Page 156 • Unit Setting • Entertainment Use Setting Set Joystick One-Touch The joystick one-touch function can be set. How to access: User Menu → Gauge Panel Configuration → Set Joystick One-Touch The following items can be set with the joystick one- touch function.
Page 157 Service Phone Number Setting The service phone number can be set. How to access: User Menu → Gauge Panel Configuration → Service Phone Number Setting The current service phone number is displayed on the left and the new service phone number being entered is displayed on the right.
Page 158 Set Date The date can be set. How to access: User Menu → Gauge Panel Configuration → Date and Time Setting → Set Date The format for the date is shown below. • Year: yyyy • Month: mm DS1900361 • Day: dd Figure 125 Set Time...
Page 159 Greenwich Mean Time (GMT) is displayed to the right of each city. The following cities can be selected. Time Zone City Time Zone City GMT +00:00 London, Madrid GMT + 10:00 Sydney, Melbourne GMT +01:00 Roma, Paris, Berlin GMT + 11:00 AM Okhotsk GMT +02:00 Athens, Cairo...
Page 160 Entertainment Use Setting Use of the entertainment system can be restricted in this menu. How to access: User Menu → Gauge Panel Configuration → Entertainment Use Setting Use of the entertainment system can be restricted in the following cases. • Prohibition on Engine Running •...
Page 161 If the first password and second password do not match, a pop-up appears with the message: "The passwords do not match". Set Owner Lock Use_Each Menu The lock settings can be set for each menu. How to access: User Menu → Operator Management →...
Page 162 Operator Items related to the operator password can be managed and set. How to access: User Menu → Operator Manage- ment → Operator The following items can be set. • Change Operator Password • Set Operator Lock Use_Each Menu • Set Engine Startup Lock Time •...
Page 163 Set Engine Startup Lock Time The engine startup lock time can be set. How to access: User Menu → Operator Management → Operator → Set Engine Startup Lock Time The startup lock time can be set as follows. • Always •...
Page 164: Around View Monitoring (Avm) System
Screen Components and View Modes Number Name Top View Top View Top View View Screen View Icon View Mode DOOSAN EX1503200 Figure 145 Top View Top View Top View Top View Displays an image of the entire surrounding area of the machine...
Page 165 Rear View Rear View Rear View Rear View Displays an image of the rear of the machine DOOSAN DOOSAN EX1503202 Figure 147 Top + Right View Top + Right View Top + Right View Top + Right View Displays a mixed image of the surrounding area and right...
Page 166 Be sure to close all doors before using AVM. NOTE: In the event that the around view monitoring (AVM) system does not work properly, be sure to contact a Doosan service center for inspection and maintenance. Operating Controls DX380LC-7 2-68...
Page 167: Proximity Alarm System
Proximity Alarm System The proximity alarm system detects the distance of objects within a certain distance of the left/right side and rear of the vehicle and notifies the machine operator of obstacles with an alarm. NOTICE Even if a machine is equipped with the proximity alarm system, operate the machine just as carefully as if the system were not installed and be sure to check for obstacles on the left/right side and rear directly.
Page 168 Operating Range and Display Warning on Edge of Level Distance Display Icon Alarm Monitor Level 1 warning 100 ms ON, Long range Green flashing (green) 700 ms OFF Level 2 warning 100 ms ON, Medium distance Yellow flashing (yellow) 200 ms OFF Level 3 warning Short distance Sounds continuously...
Page 169 • If powerful electromagnetic waves are generated near a sensor • If a sensor is covered in snow • When turning at a high speed • When the vehicle height changes significantly • When another nearby vehicle passes by quickly In cases where the detection range may be reduced •...
Page 170: Heater And Air Conditioner Control Panel
Heater and Air Conditioner Control Panel Location of Controls and Vents DS1901153 Figure 157 The heater and air conditioner are combined into one unit in the rear cover behind the operator's seat. The operator can control cabin temperature using the control panel installed in the switch panel.
Page 171 Control Panel AUTO AUTO AUTO DS2100099 Figure 158 Reference Reference Description Description Number Number Automatic Temperature Control Air Inlet Selector Button Button Fan Speed Selector Button Off Button Air Conditioner Button Temperature Control Button Defroster Button Air Outlet Selector Button LCD Display NOTE: When the light switch is turned to "I"...
Page 172 Temperature Control Button These buttons are used to control the cabin temperature. Temperature is adjustable from 17°C (62°F) to 32°C (90°F) by 0.5°C (1°F) increments. Temperature setting is displayed on the LCD. When the system is turned "ON", the previously set temperature is used as a starting point.
Page 173 Used to direct airflow to the front window and to operator's feet. DS1901157 Figure 162 Air Inlet Selector Button This button is used to select fresh air from outside the cabin, or recirculate air within the cabin. Pressing this switch enables the choice between fresh air and recirculating air within the operator's cabin.
Page 174 Memory Function The air conditioner panel has a memory function. When the starter switch is turned "OFF", the settings for the panel will be stored. When the excavator is started, the last stored setting will be used. Additional Operating Instructions A proper indoor temperature in summer is 5 ~ 6°C (10 ~ 12°F) lower than the outdoor temperature.
Page 175: Audio System
Audio System Stereo Before operating the stereo, read operation manual enclosed with stereo. LOUD PUSH MENU VOLUME TUNE INFO DS1901101 Figure 164 Reference Reference Description Description Number Number Power/Volume Control Preset Station AM Selection Tuning Up/Down FM Selection USB Loading Port USB Selection Menu Auxiliary Mode...
Page 176 DAB (Digital Audio Broadcasting) Audio Before operating the DAB Audio, read operation manual enclosed with DAB Audio. DS2002728 Figure 165 Reference Reference Description Description Number Number Band Button Preset Button Call Button Enter/AST Button with Tune Dial Mode Button Menu Button DAB Button End Button Power Button with Volume Dial...
Page 177: Miscellaneous Electrical Devices
Miscellaneous Electrical Devices Cabin Light A light is installed on the top of the operator's cabin. The light will work despite starter switch position. NOTE: If light is left "ON" for a long time while the engine is not running, the battery will be discharged. OFF ON DS1900485 Figure 166...
Page 178 Fuse Boxes There are two fuse boxes (Figure 169) on the left side of the heater box. The fuses prevent electrical devices from overloading or shorting. A decal attached inside the fuse box access cover indicates the function and amperage of each fuse. NOTE: For a further explanation see "Fuse Boxes"...
Page 179: Seat Adjustment
Seat Adjustment WARNING AVOID DEATH OR SERIOUS INJURY Adjust the seat position before starting operation or after changing the operator. Do not adjust the seat position while the machine is moving because a loss of control can occur. Always stop the machine, apply the parking brake, and then adjust the seat.
Page 180 3. Reclining Position Adjustment Pulling up left lever (1, Figure 171) allows seat backrest to be moved forward or backward. Sit with your back against the seat back when adjusting it. If your back is not touching the seat back, the seat back may suddenly move forward.
Page 181 8. Adjusting Height/Angle of Armrest It is possible to adjust height of armrest by removing three bolts (2, Figure 172) holding armrest to driver's seat, and moving armrest up or down by intervals of 0.8 in (20 mm), and then installing armrest. Lift armrest slightly (1, Figure 172) and rotate dial on bottom of support to left and right to adjust angle of armrest.
Page 182 NOTICE The seat ventilation function only utilizes the air in the vehicle interior, and does not include an actual cooling/heating function. For more effective ventilation, use the air-conditioning and ventilation together. WARNING AVOID DEATH OR SERIOUS INJURY • Never place a heavy, uneven item or sharp object on the seat.
Page 183: Seat Belt
Seat Belt WARNING AVOID DEATH OR SERIOUS INJURY The seat belt is for the operator's safety and must be worn for operator restraint. Before operating the machine, adjust the seat to the desired position for maximum comfort and machine control, fasten the seat belt. Seat belts must be worn across the pelvic region and adjusted snugly.
Page 184: Engine Emergency Stop Switch
Engine Emergency Stop Switch If the engine cannot stop when using the starter switch, it can be stopped by moving the engine emergency stop switch to "I" (EMERGENCY STOP) position. In this position, the engine emergency stop system is "OFF". In this position, "EMERGENCY STOP"...
Page 185: Miscellaneous Convenience Devices
Miscellaneous Convenience Devices Ceiling Cover NOTE: If machine is equipped with an optional transparent ceiling cover, never use any chemical cleaners on its surface. Only use warm water to wash dust and dirt from its surfaces and dry it with a soft fabric towel. Opening Ceiling Cover Lower bucket or work tool to ground.
Page 186 Opening Window WARNING AVOID DEATH OR SERIOUS INJURY When storing front window in cabin roof, make sure both lock levers (2, Figure 181) are securely latched. Lower bucket or work tool to ground. DS1901105 Move safety lever to "LOCK" position. Figure 181 Set engine speed control dial to "LOW IDLE".
Page 187 Front Bottom Window Opening Window The front bottom window can be removed and stored in rear of cabin. Open front top window and secure it to ceiling. Press button to open levers on both sides (left and right), and lift bottom window (1, Figure 183) in direction of arrow.
Page 188 Door Side Latch The door side latch (1, Figure 185) is used to secure door to side of cabin when it is opened. NOTE: Keep door closed and locked when machine is not in use. DS1901107 Figure 185 To release door from side of cabin, push latch lever (2, Figure 186) down.
Page 189 Sun Visor This machine has three sun visors. NOTICE Be sure to maintain a certain distance between the folding area of the sun visors and your head. Front Window Sun Visor In order to reduce the amount of sunlight passing through the front glass, pull the bar downwards (1, Figure 189).
Page 190 Sunglasses Case The sunglasses storage case (1, Figure 192) is on the center top of the rear wall of the operator cabin. Keep this case lid closed before and after use. DS1901116 Figure 192 Cup Holder There are two cup holders inside operator's cabin. Use it to keep your cup firmly in place.
Page 191: Miscellaneous Access Covers And Doors
Miscellaneous Access Covers and Doors Side Door Opening Open door until locking device (1, Figure 195) latches. DS1703820 Figure 195 Closing While holding door, lift it up device to release and close door. Storage Box Door Opening Open cover and slide rod (1, Figure 196) in slot (2) until it locks in notch at end of slot to support cover.
Page 192 Engine Hood Radiator Cover Loosen the four bolts on the radiator cover. Open the cover, move the support (1, Figure 198) along the slot (2) to prop the cover up, and push the support until it is fixed in place at the end of the slot. To close the cover, disconnect the tip of the support in order to slide it into the slot.
Page 193: Air Gun And Compressor (If Equipped)
Air Gun and Compressor (If Equipped) Air Gun An air gun can be installed for cleaning the operator cabin and other components. DS1901345 Figure 201 How to Use Air Compressor Start the engine, and set the air compressor operating switch to "II" position. Point the air gun towards the object to be cleaned.
Page 194 NOTICE Do not run the air compressor for longer than 30 minutes; otherwise, the compressor may be damaged. Cool down compressor after minutes' continuous operation. Do not start the air compressor while the engine is not running; otherwise, battery fully discharged.
Page 195 How to Connect Air Gun There are two ways to connect the air gun depending on how it is to be used. • Connecting the air gun inside the cabin (for cleaning the cabin) • Connecting the air gun directly to the air compressor motor in the battery box (for cleaning the filter and other purposes) Connecting the Air Gun in the Cabin...
Page 196 Operating Controls DX380LC-7 2-98...
Page 197: Operation
Operation To Operate a New Excavator All DOOSAN excavators are inspected before leaving the factory. However, it is required that operator follow these steps during the initial break-in period. Failure to follow these steps can result in damage to the equipment or reduced performance.
Page 198: Starting And Stopping Engine
Starting and Stopping Engine Inspection Before Starting Engine Walk Around Checks WARNING AVOID DEATH OR SERIOUS INJURY If flammable materials such as leaves, paper, etc. are allowed to accumulate on high temperature components, such as the engine muffler and turbo, a fire can occur. Fuel, lubricant, and hydraulic oil leaks can cause a fire.
Page 199 Fuel system • Drain water and sediment from fuel tank and water separator. • Check for fuel leakage in fuel system. Hydraulic system • Check for hydraulic oil leaks, damaged tubing and hoses and interference points of components. Electric system •...
Page 200 Checks Before Starting Engine Before starting engine, inspect the following items. If any problem is found, repair it before machine operation. If the oil, fuel or coolant level are below the "LOW" mark, add it. For detail method, see "10 Hour / Daily Service" on page 4-25. Grease boom, arm and front attachment pins.
Page 201 Operational Checks Before Starting Engine Turn battery disconnect switch to "ON" position. WARNING AVOID DEATH OR SERIOUS INJURY When leaving operator's seat, move the safety lever to "LOCK" position and stop engine to prevent accidental activation of the work levers and controls. Move safety lever to "LOCK"...
Page 202 Engine Start WARNING AVOID DEATH OR SERIOUS INJURY Sound the horn before to starting the engine and make sure there are no people or obstacles in the operating area. Perform all steps in "Operational Checks Before Starting Engine" on page 3-5. Set engine speed control dial to "LOW IDLE".
Page 203 After warming unit, check all operating indicators to make sure that all engine systems (oil pressure, coolant, etc.) are in the normal operating range. If any problems are noticed, stop engine and correct the problem. Normal indicators are: Indicator Instrument Panel Light or Gauge Reading Engine Coolant Temperature Gauge Fuel Gauge...
Page 204 After start limit logic When engine oil temperature is below -10°C, machine has the limit logic of the engine rpm to protect the engine. When the logic is activated, engine rpm is limited to be low idle. Engine Temp. (°C) Time After Start (sec.) NOTICE OVERHEATING STARTER CAN CAUSE DAMAGE...
Page 205 Hydraulic System Warm-up NOTICE If a problem or abnormal operation occurs, immediately stop engine. Allow excavator to reach normal operating temperature before starting work, especially in cold weather. The correct operating temperature of the hydraulic oil is 50° - 80°C (120° - 175°F). Make sure to follow the procedures listed here for hydraulic fluid warm-up.
Page 206 Stopping Engine NOTE: Allow engine to idle for three - five (3 - 5) minutes before stopping the engine. If not allowed to idle, heat surge may develop which will damage the engine. Allowing the engine to idle will allow the engine to cool down.
Page 207: Safety Lever
Safety Lever WARNING AVOID DEATH OR SERIOUS INJURY When leaving operator's seat move the safety lever to "LOCK" position and stop engine to prevent accidental activation of the work levers and controls. Be careful not to move the work levers (joysticks) when moving safety lever.
Page 208: Travel
Travel WARNING AVOID DEATH OR SERIOUS INJURY When moving travel controls forward, tracked excavator will move in the direction of the idlers. Wheeled excavator will move in the direction of steering axle. Before moving, make sure there are no persons or property in the way or on the machine.
Page 209 Travel Control Lever Operation To travel straight (Figure 10), push both travel control levers/pedals fully forward or backwards. The farther the levers/pedals are pressed, the faster the travel speed. NOTE: "X" is the sprocket end of the track. "X" DS1901201 Figure 10 Pivot turns (Figure 11) are made by rotating only one track forward or backward.
Page 210 General Travel Instructions Set engine speed control dial on desired speed. Move safety lever to "UNLOCK" position, and folding the front, raise it 40 - 50 cm (16 - 20 in) above ground. See Figure 14. 40 - 50 cm EX1300696 Figure 14 When possible, travel on firm and level ground.
Page 211 On rough, frozen, or uneven terrain, travel slowly. WARNING AVOID DEATH OR SERIOUS INJURY When traveling, keep bucket (attachment) raised from 20 - 30 cm (8 - 12 in) above the ground. Fasten your seat belt. Operator should attention when traveling backward on a slope.
Page 212 Figure 20 completed. Refer to the Shop Manual or contact your DOOSAN distributor. Straight Travel Pedal (If Equipped) WARNING AVOID DEATH OR SERIOUS INJURY When moving the straight travel pedal forward, the excavator will move forward in the direction of the idlers.
Page 213 Operating Forward Reverse NOTE: "X" is the sprocket end of the track. "X" DS1900952 Figure 21 Locking Pedal When straight travel pedal in not needed, the pedal can be locked by using the prop rod (1, Figure 22) locking device. DS1900953 Figure 22 Locking is completed when the top end of the prop (1) is...
Page 214: Operating Instructions
Operating Instructions Engine Speed Control Engine speed can be manually adjusted using the engine speed control dial. Increase engine speed by rotating the control knob clockwise. Decrease engine speed by rotating the control knob counterclockwise. n min NOTICE The engine speed control system has been set at the DS1900273 factory and should not require adjustment as part of routine Figure 24...
Page 215 The Value of the Carbon Dioxide (CO ) Emissions This CO measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine representative of the engine family. This value shall not imply or express any guarantee of the performance of a particular engine.
Page 216 The engine power can be degraded unless performing the regeneration process manually after the warning light is turned on. Doosan regeneration system provide customer sustainability of machine operating but if soot level is high, manual regeneration by operator is needed.
Page 217 Notification State Condition Symbol Method Active regeneration operating Soot level (80% ~) Constant Soot level (90 ~ 100%) Manual regeneration request 1 Constant Active regeneration is fail Soot level (100 ~ 130%) Slow Blinking + Manual regeneration request 2 Activating regeneration and manual Buzzer regeneration request are fail Activating manual regeneration by...
Page 218 Active Regeneration No action by the operator is required to start active regeneration. Regeneration is automatically activated by the engine control unit (ECU). Contact your DOOSAN distributor for more information. Active regeneration can occur anytime the engine is running, while operating the machine or when the machine is parked.
Page 219 Manual (Forced) Regeneration The regeneration is manually (forced) activated by the operator when the operator chooses to start the regeneration process. Manual (forced) regeneration may be required if the operator "inhibits" the active regeneration process for an extended period of time because the operating conditions are not favorable to hot engine exhaust temperatures (e.g.
Page 220 Mode Selection More efficient work can be done by choosing a proper power and work mode combination, suitable to type of work and conditions. Use the mode selection according to the following guide. Power Mode When the starter switch is turned "ON" the power mode is automatically defaulted to the standard setting.
Page 221 Work Mode When the starter switch is turned "ON" the work mode is automatically defaulted to digging mode. Select a proper work mode using button (4, Figure 28) before starting working. (Digging/Lifting/Breaker/Shear Mode) DS1900956 Figure 28 DS1900964 Figure 29 Auto Idle Mode The system will automatically reduce engine speed to idle speed approximately four (4) seconds after all the control levers are in the "NEUTRAL"...
Page 222 Boost Mode A Type B Type Power boost switch is used to achieve maximum digging force. The power boost is activated when the left button is pressed on the top of right-hand work lever (joystick). NOTE: Power boost mode does not affect forward and reverse travel.
Page 223 Change Machine Control Pattern By Selector Valve (If Equipped) WARNING AVOID DEATH OR SERIOUS INJURY Check surrounding area before swinging. When operating a lever while in auto idle, proceed with caution because the engine speed will increase rapidly. Keep bystanders away. NOTE: When starting work, move work levers (joysticks) slowly and check movement of swing and front...
Page 224 Work Levers (Joysticks) (ISO Pattern) WARNING AVOID DEATH OR SERIOUS INJURY Check surrounding area before swinging. When operating a lever while in auto idle, proceed with caution because the engine speed will increase rapidly. Keep bystanders away. NOTE: When starting work, move work levers (joysticks) FG018404 slowly and check movement of swing and front Figure 33...
Page 225 Work Levers (Joysticks) (BHL Pattern) Left-hand Work Lever (Joystick) (Figure 33 and Figure 37) Boom down Boom up Left swing Right swing NOTE: The swing brake is spring applied and hydraulically released. It is always engaged when the work lever (joystick) is in "NEUTRAL"...
Page 226 Intelligent Floating Boom Control (If Equipped) WARNING AVOID DEATH OR SERIOUS INJURY • Activating the Intelligent Floating Boom Control with the tracks raised up can cause the machine to drop suddenly. • Do not activate Intelligent Floating Boom Control when tracks are raised.
Page 227 Truck Loading Boom lowering can be controlled without hydraulic pump flow discharge, increasing productivity and fuel efficiency. EX1300708 Figure 42 Intelligent Floating Boom Mode To select the Intelligent Floating Boom mode, set the Intelligent Floating Boom selector switch from "O" (NORMAL MODE) to "I"...
Page 228 Smart Power Control (SPC) The SPC mode is implemented by engine speed control and pump torque control. → How to access: User Menu Fuel Efficiency Performance → Default Power Mode Setting Smart engine speed control This mode enhances fuel efficiency by reducing engine speed in the low load range to appropriate level through variable engine speed control which is carried out by detecting actual engine load and the operator's control...
Page 229: Operating Precautions
Operating Precautions WARNING AVOID DEATH OR SERIOUS INJURY Do not rest your feet on the travel pedals during normal machine operation. Unexpected machine travel can occur. If levers or pedals are operated when the auto idle is being actuated, the engine rpm will suddenly increase so be careful during operation.
Page 230 When working close to the excavated edge or drop-off, make sure that the machine is sitting on solid ground. Keep the travel motors (1, Figure 48) to the rear. See Figure 48. EX1300711 Figure 48 Do not allow bottom side of the boom to interfere with or touch the ground or track when digging a deep hole.
Page 231 If the excavation is in an underground location or in a building, make sure there is adequate overhead clearance and there is adequate ventilation. See Figure 52. EX1300689 Figure 52 Do not continually "bottom out" the hydraulic cylinders. Machine damage can occur if the cylinders are fully extended or retracted.
Page 232 11. Do not use the bucket as a hammer or ramming device. This can cause damage to the front attachment. See Figure 56. EX1300716 Figure 56 12. Do not move dirt or objects by swinging the excavator into them. This can result in structural and mechanical failures. See Figure 57.
Page 233 15. To protect undercarriage of the machine when traveling on rough ground or on rocks, set the idler (1, Figure 60) facing in travel direction. The idler and track spring are spring cushioned to absorb direct impacts. EX1300719 Figure 60 16.
Page 234 18. If optional long fronts (arm extensions) or attachments or heavy-duty front end attachments are used, the machine balance will be altered. Follow these additional operating precautions. See Figure 63. WARNING AVOID DEATH OR SERIOUS INJURY Do not travel downhill with front end attachments raised.
Page 235 Working in Water NOTICE When working in water, do not exceed a slope of more than 15°. If the slope is over 15°, the rear part of the upper structure will be immersed in water, resulting in radiator fan and engine damage. EX1300721 Figure 64 When working in water, do not operate in water higher than the...
Page 236: Parking Excavator
Parking Excavator WARNING AVOID DEATH OR SERIOUS INJURY Park machine on firm and level ground. Avoid parking on Block slopes. If excavator must be parked on a slope, block tracks or wheels and place bucket teeth in ground. See Figure 68. EX1300724 Figure 68 Park machine on firm and level ground.
Page 237: Towing Procedure
Towing Procedure Cloth WARNING AVOID DEATH OR SERIOUS INJURY Never use a damaged wire rope or chain. They could brake Towing Wire and cause a serious accident. Always wear gloves when handling a chain or wire rope (cable). When towing the excavator, use a wire rope (cable) or chain capable of handling the load.
Page 238: Attachments
Attachments Bucket Replacement and Reversal WARNING AVOID DEATH OR SERIOUS INJURY Wear eye protection, hard hat, gloves, and other protective equipment when tools are being used and flying objects are possible. Striking pins with a hammer may cause flying objects, keep bystanders clear of the area.
Page 239 Remove double nut from bolt for arm pin (A, Figure 71) and link pin (B, Figure 71), remove bolt, pull out arm pin (A) and link pin (B, Figure 71), and then remove bucket. Align the arm (5, Figure 71) with holes (1, Figure 72) of the replacement bucket and the link (6, Figure 71) with holes (2, Figure 72), then insert grease coated pins (A, Figure 71) and (B, Figure 71) into hole (1, Figure 72) and hole (2,...
Page 240 Reversal (If Applicable) Place the bucket on a flat surface. NOTICE When removing the pins, place the bucket so it is in resting slightly on the ground. If down pressure is applied to the bucket, the resistance will be increased and it will be difficult to remove pins.
Page 241: Hydraulic Attachments (If Equipped)
Hydraulic Attachments (If Equipped) Breaker Operation NOTICE If a hydraulic breaker and hydraulic piping is installed without DOOSAN's written authorization, it can damage the excavator and this will not be covered under the excavator warranty. Selection of Hydraulic Breaker If a hydraulic breaker is installed, consider equipment's stability and suitability for such modification.
Page 242 Breaker Operating Precautions NOTE: Hydraulic pressure and flow settings may need to be changed. Refer to the Maintenance Section of this manual for further information. Make sure to read and understand the breaker operator's manual. Inspect all mechanical and hydraulic connections. Do not use the breaker as a hammer.
Page 243 Do not lift or tow with a breaker. See Figure 81. EX1300729 Figure 81 Operate the breaker only to the front and rear of the excavator. Do not use the breaker to either side of the excavator. Do not swing the breaker from side to side when operating it.
Page 244 To Activate Breaker Set work mode to breaker position using button (1, Figure DS1900980 Figure 85 DS1900964 Figure 86 Press the left button (Figure 87) on the top of right-hand work lever (joystick) to activate hydraulic breaker. A Type B Type •...
Page 245 NOTE: Selection of a hydraulic shear must be done with extra care. Use of a hydraulic shear not recommended by DOOSAN could result in structural damage to the machine. Consult your DOOSAN distributor for hydraulic shear information. Be sure that no one is near the work tool to prevent injury. Keep the work tool under control always to prevent injury.
Page 246 To Activate Shear Set work mode to "SHEAR" position using button (1, Figure 88) DS1900980 Figure 88 Move the thumb switch on the top of the right-hand work lever (joystick) to shear. Moving thumb wheel to the right will "OPEN" the work tool. Move the thumb switch on the top of the right-hand work lever (joystick) to shear.
Page 247 NOTICE Operating the demolition tool with the cylinders fully retracted or fully extended could cause structural damage to the machine. NOTICE Using the machine hydraulic cylinder or the demolition tool rotating device to aid in the breaking or shearing process can damage the machine or the demolition tool rotating device.
Page 248 One-Way/Two-Way Valve Operation Activating Shear with Pedal Valve Set work mode to "SHEAR" position using button. Make sure that stopper (Figure 92) is in "SHEAR" position. NOTE: When stopper is in "SHEAR" position, pedal valve can be moved/rocked in both directions. Two-way operation is possible by rocking pedal back and forth between positions (1 and 2, Figure 90).
Page 249 Rotating Operation For a machine equipped with an attachment that rotates, move the thumb wheel switch on top of left-hand work lever (joystick) to rotate the attachment. Rotating switch "RIGHT" is for "CLOCKWISE ROTATION". Rotating switch "LEFT" "COUNTERCLOCKWISE ROTATION". WARNING DS1601529 Figure 93 AVOID DEATH OR SERIOUS INJURY...
Page 250 WARNING AVOID DEATH OR SERIOUS INJURY Never use attachments or buckets which are not approved by DOOSAN. Buckets and attachments for safe loads of specified densities are approved for each model. Unapproved attachments can cause death or serious injury. Operation...
Page 251 Park the excavator and attachment on firm and level ground. After checking the safe environment conditions for install- ing/removing the quick coupler, perform the below pro- cess. To unlock the quick coupler switch, grab the switch and pull it up. Pull the switch into the "I"...
Page 252 The warning message in the multifunction display is changed, and the quick coupler lock is released. NOTE: After changing warning message, the quick coupler unlock will work even if the user releases the quick coupler switch and the left button of the left joystick. DS1903348 Figure 97 Retract the bucket cylinder.
Page 253 10. To lock the quick-coupler, press the button of the right joy- stick according to Figure 101 and type of installed joystick. A Type B Type NOTE: The driver does not need to keep the button pressed. DS1903335 Figure 101 11.
Page 254 14. Visually check that quick coupler is fully engaged and locked before operating the machine and attachment. Push Type WARNING AVOID DEATH OR SERIOUS INJURY Failure to visually check that quick coupler is "FULLY Pull Type ENGAGED AND LOCKED" before operating can allow the attachment to fall off causing death or serious injury.
Page 255 To Release Attachment Park the excavator and attachment on firm and level ground. After checking the safe environment conditions for install- ing/removing the quick coupler, perform the below pro- cess. To unlock the quick coupler switch, grab the switch and pull it up.
Page 256 The warning message in the multifunction display is changed, and the quick coupler lock is released. NOTE: After changing warning message, the quick coupler unlock will work even if the user releases the quick coupler switch and the left button of the left joystick. DS1903348 Figure 109 Retract the bucket cylinder to move the quick coupler...
Page 257 The warning message in the multifunction display is changed, and the quick coupler begins to lock. DS1903349 Figure 113 10. When the quick coupler is locked, the warning pop-up changes and the warning buzzer stops. NOTE: The warning pop-up disappears automatically after remaining on the screen for a moment.
Page 258: Lifting Objects
Lifting Objects NOTICE There may be local or government laws or regulations governing the use of excavators for the lifting of heavy loads. Always contact local and government agencies and follow all applicable laws and regulations. When this machine is used in object handling applications, the machine must be properly configured and operated.
Page 259 Lifting Unknown Weight When the weight of the load is unknown, the person responsible for the job shall determine that weight of the load does not exceed the machine RATED LIFTING CAPACITY at the radius FRONT LIFT ZONE at which it is to be lifted. WARNING SIDE LIFT SIDE LIFT...
Page 260: Lifting Objects With Quick Coupler
Before lifting objects using the quick coupler lift eye, remove any attachment that is connected to the quick coupler. Doosan Infracore Co., Ltd 7-11 Hwasu Dong, The highest lift capacity of the machine is over the front and rear Dong-gu, Incheon, Korea of the machine.
Page 261 Use only the specified lift eye position for lifting loads. Never use the attachment pin connection hooks of the quick coupler for lifting suspended loads (Figure 118). EX1400302 Figure 118 Lifting objects with a quick coupler should always be done with the quick coupler vertical so load and lifting accessories can hang free without contacting the coupler body (Figure 119).
Page 262 Equipment Lowering with Engine Stopped To lower the boom, place the safety lever in the "UNLOCKED" position and turn starter switch to "I" (ON) position. Move the joystick to "BOOM LOWER" position. If the accumulator is still charged, the boom will lower. Turn key to "O" (OFF) position and remove from starter switch.
Page 263 (1, Figure 122). After completion of the manual boom lowering, make necessary repairs before you operate the machine again. DS2103964 Figure 122 NOTE: For additional information, contact your DOOSAN distributor. DX380LC-7 Operation 3-67...
Page 264 Tighten locknut (1, Figure 123) to a torque of 39.2 N.m (4 kg.m, 28.9 Ib ft). After completion of the manual boom lowering, make necessary Detail A repairs before you operate the machine again. DS1901507 NOTE: For additional information, contact your DOOSAN Figure 123 dealer. Operation DX380LC-7 3-68...
Page 265: Auto Grease System (If Equipped)
Auto Grease System (If Equipped) Overview DOOSAN Auto grease system is called "Progressive System". 6, 7 4, 5 10, 11 2, 3 13, 16 ,17 DS1900683 Figure 124 DX380LC-7 Operation 3-69...
Page 266 Reference Reference Description Description Number Number Central Lubrication Pump Right Boom Foot Fault Indicator in Cabin Left Boom Cylinder Rod Pump Element with Right Boom Cylinder Rod Pressure Relief Valve Arm Cylinder Head Lubrication Lines Arm Cylinder Rod Piston Detector (Cycle Switch) Left Boom Arm Joint Main Feeder Right Boom Arm Joint...
Page 267 Location DS1603469 Figure 125 Reference Reference Description Description Number Number AGS Pump Sub Feeder (Center Frame) Main Feeder Sub Feeder (Arm) Sub Feeder (Boom) Sub Feeder (Bucket) DX380LC-7 Operation 3-71...
Page 268 Lubricants Generally grease up to NLGI grade 2 is recommended for progressive systems. (Considering working conditions, the following lubricants can be used. NLGI Grade 1 to 2 greases with EP additives, compatible with plastics, NBR elastomers, copper and copper alloys, and NLGI Grade 000 to 0 fluid greases.) NOTICE When filling up grease, keep the area clean.
Page 269 Lubricant Hazards NOTICE AVOID INJURY Centralized lubrication systems must always be free of leaks. Leaking lubricant is hazardous because of the risk of slipping and injury. Be mindful of any lubricant leaking out during assembly, operation, maintenance, and repair of centralized lubrication systems.
Page 270 NOTICE AVOID INJURY Switch off the power supply before starting filling. NOTICE AVOID INJURY Risk of bursting if the reservoir is overfilled. When filling the reservoir using pumps with a large delivery volume do not exceed the maximum filling mark. Figure 127 Filler Coupling As an alternative or addition to a conical head nipple (1, Figure...
Page 271 Filling Cylinder Complete Suitable for cartridges according to an effective content of 450 cm and 550 cm Cartridge Tube DS2000898 Figure 130 Figure 131 Cleaning When pressurized air and/or pressurized water is used for cleaning, be careful water is not to get into auto grease system. Water can cause malfunctions or damage of system.
Page 272 Pump Display and Control Elements of Control Screen The display and control unit is protected from water splashes and mechanical damage by a transparent plastic cover. The cover must be removed to program the unit and then remounted afterwards. Display and Control Elements Representation Description Function...
Page 273 Three-digit LED Display The display is off in normal mode. It can be activated by briefly pressing one of the two push buttons ( ). Current values and preset parameters are displayed. The display also serves to guide and prompt the operator while programming operating parameters.
Page 274 Display Meaning Statement Control function The values shown after this are the number of fault hours, i.e., Fault Hour Meter the amount of time the vehicle or machine was operated in FAULT mode. No signal from the piston detector. Unlike in normal mode, the Block Mode control unit is still the monitoring sequence.
Page 275 COP = CS monitoring is active during the pump cycle. (Not applied COP = OFF monitoring is switched off to DOOSAN auto grease system.) The LED light turns "ON" when a changeover signal is received. The operating voltage is present on the pump unit and control unit. The control unit is in operating status FAULT.
Page 276 Pump Display Mode Display mode can be identified by the lit-up LED displays. The display does not flash. It is used to query the current settings and operating parameters. Always start the display mode by briefly pressing one of the two keys ( WL1300156 Figure 133...
Page 277 Step Display Monitoring switched Monitoring by Not permitted for piston detector progressive systems. (factory setting) Display operating hours 10, 11 Example: 1st part of 2nd part of total value total value Write Total value: 00533.8 h down. Maximum value: 99999.9 h Display fault hours 13, 14 Example: 1st part of...
Page 278 Pump Programming The working/interval times can be reprogrammed to adapt the lubrication intervals and the resulting lubricant quantities to specific requirements. Start Programming Mode NOTE: Programming mode can be identified by the flashing LED displays. Change Lubrication Interval Times NOTE: If the 000 factory setting has been changed, the current code must be selected using the keys...
Page 279 Step Display Press briefly (confirm new value) Changes are written to memory, the values are activated and the display clears. Press for more than 2s Configure System Monitoring System monitoring can be changed to activate or deactivate the monitoring functions for lubrication. When system monitoring is active, you can select monitoring by piston detector on progressive systems or monitoring by pressure switch on single-line systems.
Page 280 Change Operating Modes A change of operation mode means changing to timer operation, counter operation or special applications. Please refer to Pump Display Mode for further information. Step Display Display flashes (000 = factory setting) Press for more than 2s Automatic display of first parameter: "pause in timer operation"...
Page 281 Change Access Code NOTICE This factory default code is now deleted and the new value is valid. Write down the new value and store it in a safe place. The parameters cannot be programmed if the code is lost or forgotten. NOTICE Do not enter the digits 321 as the new code.
Page 282 Programming Ranges Function Programming Ranges Interval Time 0.1 h to 99.9 h Pump Cycle Time 0.1 min. to 99.9 min. Pulses 1 to 999 Display Ranges Function Display Ranges Fault Hours 0.1 h to 99999.9 h Operating Hours 0.1 h to 99999.9 h Maintenance WARNING AVOID DEATH OR SERIOUS INJURY...
Page 283 NOTICE Only original spare parts from DOOSAN may be used. Arbitrary alterations to products and the use of non-original spare parts and accessories are not permitted and nullify the statutory warranty.
Page 284 General Information The following maintenance table contains an overview of the inspections and maintenance work that must be performed regularly. The maintenance intervals depend on customer-specific settings and operating conditions. The customer is therefore responsible for determining and observing the maintenance intervals on its own.
Page 285 (See "Pump Display Mode" on page 3-80.) Fault Pressure Switch: No signal from pressure switch during pump cycle. (Not applied to DOOSAN auto grease system) Fault Low Level: The level in the reservoir has fallen below the minimum fill level.
Page 286 Delete fault notification All fault notifications can be acknowledged and deleted using key. In timer operation, this can also be performed using an external push button, if installed. NOTICE Determine and remedy the cause of faults before deleting fault notifications. The user is liable for damages resulting from operating the machine without lubrication.
Page 287 Recording Fault Times Fault-state Counter The amount of time that passes from issuance of a failure notification to its acknowledgment is added up in hours. After acknowledgment, this value is automatically transferred to the fault-hours counter. Fault-hours Counter The fault-hours counter adds up all fault-state times occurring during the total running time of the unit.
Page 288 Malfunctions on Pump Unit in Progressive System Block Operation Block operation is the reaction of the control unit to the absence of signals from the piston detector. Possible Causes: • Defective lubrication lines • Blocked progressive feeder • Defective piston detector •...
Page 289 Malfunctions on Pump Units Fault Category Possible Cause Rectification Pump Agitator Malfunctions • Mechanical • Replace pump grease reservoir does damage,e.g., motor – Loosen main line at outlet of not rotate during the defective pressure regulating valve. activated pump cycle •...
Page 290 Fault Category Possible Cause Rectification Pressure regulating Malfunctions • System pressure is • Check system and repair/rework the valve on pump opens over 200/300 bar, system so the maximum system and lubricant e.g., because pressure at 20°C is 200 bar. discharges.
Page 291: Inspection, Maintenance And Adjustment
Check operational hour meter reading every day to see if necessary maintenance is scheduled to be performed. DOOSAN Genuine Replacement Parts Use DOOSAN genuine parts specified in Parts Book as replacement parts. DOOSAN Genuine Lubricants For lubrication of the machine, use DOOSAN genuine lubricants.
Page 292 Welding Instructions • Disconnect battery only when LED light is OFF after engine is turned OFF. • Do not apply more than 200 V continuously. • Connect grounding cable within 1 m (3.3 ft) of area to be welded. If grounding cable is connected near instruments, connectors, etc., instruments can be damaged.
Page 293 Hydraulic System - Air Bleeding When hydraulic equipment has been repaired or replaced, or hydraulic piping has been removed and installed again, air must be bled from circuit. For details, see "Venting and Priming Hydraulic System" on page 4-100. Hydraulic Hose Installation •...
Page 294 Safety Precautions Make sure to lock out hydraulic controls and place a "DO NOT OPERATE" Warning Tag on the machine to indicate that the machine is being serviced and to prevent any unauthorized operation. Clean up any fluid spills, especially around engine. Inspect all fuel lines to make sure that fittings, lines, filters, O-rings, etc.
Page 295: Machine Setup Position For Maintenance
Machine Setup Position for Maintenance Before beginning any service work, park the machine using the following procedure (except for service work requiring the machine to be positioned differently). Position the machine on even, firm and level ground. Put attachment on ground. Move safety lever to "LOCK"...
Page 296: Handling Oil, Fuel, Def (Adblue®), Coolant
Having too much or too little oil can cause operational problems. • If oil in work equipment is not clear, there may be water or air getting into circuit. In such cases, contact your DOOSAN distributor. • When changing oil, always replace related filters at same time. Fuel...
Page 297 Shorten the time period between Oil drain intervals (more frequent oil drain intervals) • Increase overall operating costs. Failures that result from use of improper fuels are not DOOSAN factory defects. Therefore the cost of repairs would not be covered by a DOOSAN warranty. DX380LC-7...
Page 298 ) may smell a foul odor if the temperatures of the DEF (AdBlue ) is high. ® • Doosan recommends that temperature of the DEF (AdBlue ® ) is between 4°C (39°F) to 60°C (140°F). • If the temperature rises about 60°C (140°F), the DEF (AdBlue ®...
Page 299 1 year or 2,000 hours. Therefore, it is recommended to use authorized genuine DOOSAN antifreeze solution. When using DOOSAN coolant, there is no need to use a corrosion resistor. For details, see "Engine Cooling System" on page 4-91.
Page 300 • Never mix lime (hard water), salt or water contained metal material with coolant. • If a Doosan pure antifreeze is not available, the antifreeze specification provided on the "Type of anti-freeze" page must be used. Filters • Filters are extremely important safety parts. They prevent impurities in hydraulic oil, fuel and air circuits from causing problems.
Page 301: Electrical System Maintenance
• Service relating to the electrical system is: checking damage or wear to the fan belt, and checking battery electrolyte level. • Never install any electric components other than those specified by DOOSAN. • External electromagnetic interference cause malfunction of the control system controller. Before...
Page 302: Recommend Fuel, Coolant, And Lubricant
• Commercially available lubricant may be good for the machine, but it can also cause harm. DOOSAN does not recommend any commercially available lubricant additive. • When starting the engine in temperatures below 0°C (32°F), be sure to use recommended multigrade oil, even if...
Page 303 Symbols for "Lubrication and Service Chart" The lubrication and service chart is on the left side door of cabin. The symbols used in the lubrication and service chart are illustrated in the following table. Symbol Description Symbol Description Lubrication Fuel Filter Lubrication (Auto) Water Separator AUTO...
Page 304 Lubrication and Service Chart 250h 500h 1000h 2000h DS2103959 Figure 3 Inspection, Maintenance and Adjustment DX380LC-7 4-14...
Page 305 Hydraulic Oil and Filter Service Intervals SERVICE DATA Service Interval (hr) Items to Check Service Qty. 1000 2000 Arm, Bucket Joint Pin Grease F100 Swing Bearing Grease Boom, Arm Joint Pin Grease F100 Breaker Filter (If Equipped) Cartridge Engine Oil 9.5 L Oil Bath Precleaner (If Equipped) Element...
Page 306 SERVICE DATA Service Interval (hr) Items to Check Service Qty. 1000 2000 Radiator Core Core Oil Cooler Core Core Intercooler Core Core Fuel Cooler core Core Aircon Condenser Core Core V: Maintenance and Refill. / C: Cleaning. / D: Drain Water. / F: First Time Exchange Only. F100: Every 10 Hours For First 100 Hours.
Page 307 Hydraulic Breaker 100% 500 Hours 100 Hours Work These service intervals only apply, when genuine DOOSAN hydraulic oil and filter are used. If any other brands are used, the guaranteed change interval must be reduced in half. FG000767 Figure 4 NOTE:...
Page 308: Fluid Capacities
Fluid Capacities Component Capacity 36 L Oil Pan with Filter (9.5 U.S. gal.) Engine 50.5 L Cooling System (13.3 U.S. gal.) 590 L Fuel Tank (155.9 U.S. gal.) 243 L Tank Level (64.2 U.S. gal.) Hydraulic Oil 475 L System (125.5 U.S.
Page 309: Table Of Recommended Lubricants
Table of Recommended Lubricants NOTICE It is highly recommend to use DOOSAN Genuine Products or products which meet the following specifications. Using other products can damage the equipment. NOTE: Refer to the "Lubrication and Service Chart" on page 4-14 for locations.
Page 310 Installed at factory. (5W40) - Recommended for use at extremely low temperature below -20°C. (10W40) - Filled at factory. Doosan genuine engine oil is recommended for use. (15W40) - Doosan genuine engine oil is recommended for use. (Engine oil) - Engine oil must meet API CJ-4/ACEA E9.
Page 311 NOTICE We recommend using genuine Doosan products for the grease applied to this equipment. In areas where the use of genuine products is restricted, greases of at least the following specifications should be used. • DIN 51502 Specification – Extreme Cold Area : KP-1K-30 / NLGI No. 1 –...
Page 312: Maintenance Intervals
Maintenance Intervals SERVICE ITEM PAGE 10 Hour / Daily Service Boom, Arm and Front Attachment Pins - Lubricate 4-25 Engine Oil Level - Check 4-25 Hydraulic Oil Level - Check 4-26 Fuel Level - Check 4-27 DEF (AdBlue®) Tank Level - Check 4-29 Pre Fuel Filter and Water Separator - Check 4-30...
Page 313 SERVICE ITEM PAGE Pin and Bushings of the Front End Attachment - Inspect 4-47 Battery Fluid - Check 4-47 Bolts and Nuts - Inspect 4-47 Fuel System Hose Clamps - Inspect 4-47 500 Hour / 3 Month Service Perform All Daily, 50 and 250 Hour Service Checks 4-48 Track Spring - Check 4-48...
Page 314 Major Parts - Periodic Replacement 4-82 12,000 Hour / 6 Year Service Hose In-service Lifetime Limit (European Standard ISO 8331 and EN982 (CEN)) 4-83 ** These checks need to be completed by an authorized DOOSAN distributor. Inspection, Maintenance and Adjustment DX380LC-7 4-24...
Page 315: 10 Hour / Daily Service
10 Hour / Daily Service Boom, Arm and Front Attachment Pins - Lubricate Grease every 10 hours for first 100 hours and every 50 or 250 hours thereafter (See page 4-39) (See page 4-43). NOTE: If the unit has been running or working in water, the front attachment must be greased on a 10 hour/daily basis.
Page 316: Hydraulic Oil Level - Check
Hydraulic Oil Level - Check WARNING AVOID DEATH OR SERIOUS INJURY The hydraulic oil will be hot after machine operation. Allow system to cool before attempting to service any hydraulic components. ARO1760L The hydraulic tank is pressurized. Tip breather cap up Figure 7 slowly to allow the pressurized air to vent.
Page 317: Fuel Level - Check
NOTICE When refilling the oil, use the same hydraulic oil as the system is filled with. If oil level is above the "H" mark drain oil. Stop engine and wait for the hydraulic oil to cool down. Remove the undercover at the bottom of the hydraulic oil tank.
Page 318 At end of each workday, fill fuel tank. Add fuel through fuel fill tube (1, Figure 12). When working at a temperature of 0°C (32°F) or higher, use ASTM No. 2-D or its equivalent. At temperatures below 0°C (32°F) use ASTM No. 1-D or its equivalent.
Page 319: Def (Adblue®) Tank Level - Check
DEF (AdBlue®) Tank Level - Check At end of each workday, fill DEF (AdBlue ® ) tank. Add the DEF (AdBlue ® ) through DEF (AdBlue ® ) fill cap (1, Figure 14). NOTICE Do not let impurities get in when storing or adding DEF (AdBlue ®...
Page 320: Pre Fuel Filter And Water Separator - Check
Pre Fuel Filter and Water Separator - Check NOTE: If water in fuel warning symbol on display monitor comes "ON", drain the collected water in fuel prefilter. NOTE: If operator leave the machine with no measure for 30 minutes after the water in fuel warning light up, the engine power will be derated.
Page 321: Swing Reduction Gear Oil Level - Check
Swing Reduction Gear Oil Level - Check WARNING AVOID DEATH OR SERIOUS INJURY The gear oil is very hot after the machine has been operating. Shut all systems down and allow them to cool. Before fully removing any motor case inspection, port plug, etc., loosen the plug slightly to allow pressurized air to escape.
Page 322: Dust Net - Clean
Dust Net - Clean NOTICE If running excavator in dusty area, check dust net everyday and clean it if dirty. WARNING DS1901877 Figure 21 AVOID DEATH OR SERIOUS INJURY If using compressed air or water to clean the dust net, wear safety goggles for proper eye protection.
Page 323: Coolant Level - Check
Coolant Level - Check WARNING AVOID DEATH OR SERIOUS INJURY Allow the engine to cool before releasing the radiator cap. Loosen the cap slowly to release any remaining pressure. Radiator cleaning is performed while the engine is running. Lock out and tag the controls alerting personnel that service work is being performed.
Page 324: Bucket Teeth And Side Cutters - Inspect
Do not allow the replaceable bucket teeth to wear down to the point that bucket adapter is exposed. See Figure 27. NOTE: These instructions are only for DOOSAN OEM buckets. If you are using other manufacturers' buckets, refer to their specific instructions.
Page 325: Air Intake System And Emission Control System - Check
Check the exhaust pipe and several exhaust system components, and check the V-clamp tightness to prevent leaking gases. If damaged, wrinkled, or loose, replace or retighten or contact your nearest DOOSAN distributor. NOTICE Severe engine damage will result from running with unfiltered air.
Page 326: Mirrors - Check
The Safety Lever must deactivate the work group, swing and travel control functions when the safety lever is moved down into "LOCK" position. Contact your DOOSAN distributor immediately if the controls do not deactivate. DO NOT MODIFY THE SYSTEM. Inspection and Maintenance of the Safety Lever Check for and keep bystanders away from the work area.
Page 327: Exterior Lights, Horn, Control Console Indicator, Gauge Panel - Check
If the Safety Lever does not deactivate the work group and travel functions as described above or if any parts are damaged, bent or missing, contact your DOOSAN distributor immediately for service. DO NOT MODIFY THE SYSTEM. Exterior Lights, Horn, Control Console Indicator, Gauge Panel - Check Turn engine starter switch to "I"...
Page 328: All Controls And Linkages - Check
All Controls and Linkages - Check NOTICE Cold weather operation requires that operator fully warm up the hydraulic oil before beginning machine operation. Follow all warm up instructions listed in the Operating Instruction section of this manual. Make sure to cycle oil through all the components, including all cylinders, both travel motors and the swing motor.
Page 329: 50 Hour / Weekly Service
50 Hour / Weekly Service Perform All Daily Service Checks Arm and Bucket Joint Pins - Lubricate Grease every 10 hours for first 100 hours and every 50 hours thereafter. NOTE: If the unit has been running or working in water, the front attachment must be greased on a 10 hour/daily basis.
Page 330: Swing Bearing - Lubricate
Arm link joint pin (1 point) Link joint pin (2 points) Arm bucket joint pin (1 point) Bucket link joint pin (1 point) Bucket cylinder rod pin (1 point) DS1900852 Figure 32 Swing Bearing - Lubricate Park machine on firm and level ground. Lower the front attachment to the ground and stop engine.
Page 331: Air Compressor And Tank - Check
Air Compressor and Tank - Check Set air compressor operating switch to "I" (OFF) position. Using air gun in the cabin, completely release all air in compressor tank. The air compressor drain valve is on the bottom of the radiator room on rear left side of the machine. Put a pan under the drain valve, push valve handle sideways to drain water.
Page 332: Engine Fan Belt - Check
Engine Fan Belt - Check Inspect after first 50 hours of operation and every 250 hours thereafter. For details, see "Engine Fan and Alternator Belts - Check" on page 4-45. Track Assemblies (Links, Shoes, Rollers, Idlers) - Inspect Do a daily walk-around inspection of all components including the track assemblies.
Page 333: 250 Hour / Monthly Service
250 Hour / Monthly Service Perform All Daily and 50 Hour Service Checks Boom and Arm Joint Pin - Lubricate Grease every 10 hours for first 100 hours and every 250 hours thereafter. NOTE: If the unit has been running or working in water, the front attachment must be greased on a 10 hour/daily basis.
Page 334 Boom cylinder head pin (2 points) DS1900855 Figure 38 Boom foot Pin (2 points) Boom cylinder rod pin (2 point) Arm cylinder head pin (1 point) DS1900856 Figure 39 NOTE: For greasing the boom foot pin, grease it while keeping the position shown Figure 37 the first time, and then grease it once more after lowering the boom to put slight pressure on the surface shown Figure 40.
Page 335: Engine Fan And Alternator Belts - Check
Engine Fan and Alternator Belts - Check WARNING AVOID DEATH OR SERIOUS INJURY Keep clear of engine fan and fan drive belts when the engine is running. Contact with rotating belt can cause injury. HAAA4030 Figure 42 WARNING AVOID DEATH OR SERIOUS INJURY When checking, adjusting, or replacing drive belts, precautions must be taken to prevent accidental cranking of the engine.
Page 336: Breaker Filter (If Equipped) - Replace
Breaker Filter (If Equipped) - Replace WARNING AVOID DEATH OR SERIOUS INJURY The hydraulic oil will be hot after machine operation. Allow the system to cool down before changing breaker filter. DS1900858 Figure 43 Park machine on firm and level ground. Lower the front attachment to the ground and stop engine.
Page 337: Hydraulic Oil Return Filter - Replace
Hydraulic Oil Return Filter - Replace NOTE: Replace hydraulic oil return filter after first 250 hours of operation or rebuild, then every 1,000 hours thereafter (See page 4-61). Pilot Filter - Replace NOTE: Change pilot filter after first 250 hours and every 1,000 hours thereafter (See page 4-62).
Page 338: 500 Hour / 3 Month Service
500 Hour / 3 Month Service Perform All Daily, 50 and 250 Hour Service Checks Track Spring - Check Check the track tension every 500 hours. If necessary, adjust the track spring. NOTE: If the unit has been running or working in water, the track spring must be greased on a 10 hour/daily basis.
Page 339: Engine Oil And Filter - Replace
Engine Oil and Filter - Replace NOTE: Change engine oil and filter after every 500 hours of operation or rebuild. WARNING AVOID DEATH OR SERIOUS INJURY DO NOT change oil on a hot engine. Allow the engine to cool down before attempting to change the engine oil and filter to avoid burns by touching hot engine parts.
Page 340: Air Compressor Filter (If Equipped) - Clean
Refill the engine with the correct oil through the oil fill port (1, Figure 50). Refer to the Lubrication Table of this manual for the recommended oil for the operating conditions. NOTE: See "Fluid Capacities" on page 4-18. for capacity. Start engine.
Page 341: Air-Conditioning Outer Filter - Clean
Air-conditioning Outer Filter - Clean The machine is equipped with an air filtration system which filters out dirt and dust particles from air being circulated into operator's cabin. This filter must be cleaned out. NOTE: If the unit is being operated in a dusty environment, the cleaning and replacement must be performed more frequently.
Page 342: Air-Conditioning Inner Filter - Clean
Air-conditioning Inner Filter - Clean WARNING AVOID DEATH OR SERIOUS INJURY All service and inspection of air-conditioning system must be performed with the starter switch in the "O" (OFF) position. WARNING DS1900869 Figure 56 AVOID DEATH OR SERIOUS INJURY If using compressed air to clean the element, make sure that proper eye protection is worn.
Page 343: Cooling System - Clean
Cooling System - Clean WARNING AVOID DEATH OR SERIOUS INJURY Using compressed air, steam or water to clean can cause serious injury. Always wear safety goggles, mask and safety shoes during the cleaning precess. Keep personnel and bystanders clear of work area. Open the left door(s) and engine cover and loosen the bolt(s) on the upper cover of oil cooler.
Page 344: Air Cleaner Outer Filter - Clean
Air Cleaner Outer Filter - Clean NOTE: Clean outer filter every 500 hours/3 months of service. NOTE: If air cleaner clogged warning symbol on display monitor comes "ON", the air cleaner must be serviced. NOTE: When working in very dusty conditions, the service interval must be shortened.
Page 345 Check outer filter by shinning a light through it. If small holes or thinner parts are found on the element after cleaning it, replace the filter. Clean the inside of the air cleaner body and the inside of the air cleaner cover. Do not use compressed air. Properly install the air filter and cover.
Page 346: Fuel Prefilter And Water Separator - Replace
Fuel Prefilter and Water Separator - Replace Open the pump compartment door to access fuel prefilter. Turn cock valve to "CLOSE" position. (Figure 65) Position a small container under prefilter. Drain fuel by opening drain valve on bottom of filter. NOTE: Dispose of drained fluids in compliance with all applicable environmental laws and regulations.
Page 347: Main Fuel Filter - Replace
Main Fuel Filter - Replace 2 2 2 WARNING AVOID DEATH OR SERIOUS INJURY Change filter after waiting for engine to cool. Be careful of fire hazards. Do not smoke. Locate fuel filter inside pump compartment. DS1901879 Figure 67 Turn cock valve to "CLOSE" position. (Figure 65) Position a small container under fuel filter.
Page 348: Travel Reduction Gear Oil - Check
Travel Reduction Gear Oil - Check WARNING AVOID DEATH OR SERIOUS INJURY The gear oil is very hot after the machine has been operating. Shut all systems down and allow them to cool. Before removing the motor case, loosen the plug slightly to EX1300564 allow pressurized air to escape.
Page 349: Def (Adblue®) Tank Filler Filter - Clean
DEF (AdBlue®) Tank Filler Filter - Clean Make sure that the filler filter (1, Figure 71) is clean. If it is dirty: Clean the filler filter with clean water and refit it. DS1601948 Figure 71 Travel Reduction Gear Oil - Change NOTE: Drain and refill oil after first 500 hours of operation or rebuild, and every 1,000 hours thereafter (See page 4-63).
Page 350: 1,000 Hour / 6 Month Service
1,000 Hour / 6 Month Service Perform All Daily, 50, 250 and 500 Hour Service Checks Swing Reduction Gear - Lubricate Park machine on firm and level ground. Lower the front attachment to the ground and stop engine. Remove air vent plug (1, Figure 72) from swing reduction gear.
Page 351 to be cleaned or replaced regularly even before the expected replacement date. Hydraulic Oil Return Filter - Replace NOTE: Change hydraulic oil return filter after first 250 hours of operation or rebuild, and every 1,000 hours thereafter. NOTE: If return filter clogged warning symbol on display monitor comes "ON"...
Page 352: Pilot Filter - Replace
Pilot Filter - Replace NOTE: Change pilot filter after first 250 hours of operation or rebuild, and every 1,000 hours thereafter. WARNING AVOID DEATH OR SERIOUS INJURY The hydraulic oil will be hot after machine operation. Allow the system to cool down before changing pilot filter. Park machine on firm and level ground.
Page 353: Travel Reduction Gear Oil - Change
Travel Reduction Gear Oil - Change WARNING AVOID DEATH OR SERIOUS INJURY The gear oil is very hot after the machine has been operating. Shut all systems down and allow them to cool. Before removing the motor case, loosen the plug slightly to EX1300564 allow pressurized air to escape.
Page 354: Swing Reduction Gear Oil - Change
Swing Reduction Gear Oil - Change NOTE: Change swing reduction gear oil after first 500 hours of operation or rebuild, and every 1,000 hours thereafter. WARNING AVOID DEATH OR SERIOUS INJURY The gear oil is very hot after the machine has been DS2103965 operating.
Page 355: Air-Conditioning Outer Filter - Replace
Air-conditioning Outer Filter - Replace The unit is equipped with an air filtration system which filters out dirt and dust particles from air being circulated into operator's cabin. This filter must be cleaned. NOTE: In the unit is being operated in a dusty environment, the cleaning and replacement must be performed more frequently.
Page 356 Air-conditioning Inner Filter - Replace WARNING AVOID DEATH OR SERIOUS INJURY All service and inspection of air-conditioning system must be performed with the starter switch in the "O" (OFF) position. Remove cover by pulling knob outward on top of the left and right of the filter which is inside the left rear part of the DS1900869 cabin.
Page 357 Fuel Cap Filter - Replace NOTICE External shock or damage to fuel cap can cause permanent damage to filter. DS1900874 Figure 85 Remove screws and filter assembly from fuel cap (Figure 86). DS1900898 Figure 86 After disassembly, carefully lay it as shown in Figure 87. FG015685 Figure 87 After disassembly (Figure 87), remove rubber piece as...
Page 358: Def (Adblue®) Filter - Replace
After disassembly as shown in (Figure 88), replace filter (Figure 89) with a new one. FG015687 Figure 89 After installing new filter, assemble fill cap in reverse order. FG015688 Figure 90 DEF (AdBlue®) Filter - Replace Open the DEF (AdBlue ®...
Page 359: Def (Adblue®) Breather Filter - Replace
DEF (AdBlue®) Breather Filter - Replace Remove cover (Figure 93) on the front of the fuel tank. DS1901887 Figure 93 Unscrew and remove clamp (1, Figure 94) for DEF (AdBlue ) breather filter fitting (2, Figure 94). ® 2 2 2 Replace the new breather filter and refit.
Page 360: 2,000 Hour / Yearly Service
2,000 Hour / Yearly Service Perform All Daily, 50, 250, 500 and 1,000 Hour Service Checks Centrifugal Oil Cleaner - Clean When cleaning the centrifugal oil cleaner there will be some dirt deposits in the rotor cover. If this is the case, this indicates that the rotor is working.
Page 361 Remove rotor cover by holding the rotor in both hands and tapping the rotor nut against the table. Never strike the rotor directly as this may damage its bearings. DS1605870 Figure 97 Remove strainer from the rotor cover. If the strainer is stuck, insert a screwdriver between the rotor cover and strainer and carefully prise them apart.
Page 362 11. Fit a new paper insert on the inside of the rotor cover. DS1605872 DS1605873 Figure 101 12. Fit the strainer onto the rotor. 13. Fit a new O-ring by sliding it over the strainer. 14. Refit the rotor cover. Ensure that the O-ring is not outside the cover.
Page 363: Oil Bath Precleaner (If Equipped) - Clean
18. Renew the O-ring on the centrifugal oil cleaner housing 20 N . m cover. Tighten the locknut. DS2000321 Figure 104 Oil Bath Precleaner (If Equipped) - Clean The lower parts of the body assembly must be inspected each time the air cleaner is serviced. If there is any sign of buildup or plugging, the body assembly must be removed and cleaned.
Page 364 Wash filter if needed. • If element is plugged with dirt, lint or chaff (even partially), wash it thoroughly with solvent. FG018322 Figure 107 Dry thoroughly with compressed air. FG018323 Figure 108 Inspect the lower parts of body assembly and center tube for damage.
Page 365: Air Cleaner Outer And Inner Filter - Replace
Air Cleaner Outer and Inner Filter - Replace WARNING AVOID DEATH OR SERIOUS INJURY Never clean or attempt to remove air cleaner filter if the engine is running. DS1900899 Figure 111 NOTE: Replace outer element after cleaning 5 times or every 2,000 hours of service.
Page 366 Remove inner element (4, Figure 112), then install a new inner element. Insert the inner element properly so it does not move. Push the new outer element (3, Figure 112) in straight to the air cleaner body. NOTICE Be sure to install the air cleaner filters facing in the correct direction.
Page 367: Coolant - Change
Therefore, it Is recommended authorized DOOSAN genuine antifreeze solution. To achieve the best cooling performance, keep the mixing ratio of the antifreeze and water by 50 : 50. Using water only can corrode the coolant circuit.
Page 368 Place a container under the radiator and open the drain plug (Figure 117). NOTE: Dispose of drained fluids according to local applicable environmental laws and regulations. Fill cooling system with a flushing solution. Run engine at low idle until coolant temperature gauge reaches the "WHITE ZONE".
Page 369: Hydraulic Oil And Suction Filter - Replace
Hydraulic oil change interval is 2,000 hours only when DOOSAN Genuine Oil is used. If another brand of oil is used, a change interval of 1,000 hours is necessary. NOTE:...
Page 370 Drain hydraulic oil from tank into a container capable of holding 280 L (74 U.S. gal.). After draining tank, install drain plug. WARNING AVOID DEATH OR SERIOUS INJURY Be careful of squirting oil when removing drain plug. FG020195 NOTE: Used filter and used oil should always be Figure 120 disposed of according to local laws and regulations.
Page 371: Alternator And Starter** - Check
Inspect Machine to Check for Cracked or Broken Welds or other Structural Damage Adjust Valve Clearance** - Check Head Bolt Torques - Check **These checks need to be completed by an authorized DOOSAN distributor. DX380LC-7 Inspection, Maintenance and Adjustment 4-81...
Page 372: 4,000 Hour / Biennial Service
4,000 Hour / Biennial Service Major Parts - Periodic Replacement For proper operation and work, perform periodic inspections. These parts are those most often subjected to abrasion, heat and fatigue. Replace these parts with new ones at the designated time intervals, even if the old parts look satisfactory. Replace all related parts such as gaskets and O-rings with original equipment manufacturer’s parts.
Page 373: 12,000 Hour / 6 Year Service
Hose In-service Lifetime Limit (European Standard ISO 8331 and EN982 (CEN)) European regulations state that in-service life of any hydraulic hose may not exceed six years. DOOSAN recommends the following: • Hoses at the customer premises cannot be stored more than 2 years before being discarded or installed on a machine.
Page 374: Air-Conditioning System
Air-conditioning System NOTE: See "Air-conditioning Outer Filter - Replace" on page 4-65. Control Panel - Check When a function switch is pushed, the last setting has to be displayed on the LCD display. When the light switch is turned to "I" position, the LED for illumination in the control panel has to turn "ON".
Page 375: Bucket
Stop engine and lock out the hydraulic controls before working on the bucket. NOTE: These instructions are only for DOOSAN OEM, buckets. If you are using other manufacturers buckets, refer to their specific instructions.
Page 376 Bucket O-ring - Replace WARNING AVOID DEATH OR SERIOUS INJURY Due to possibility of flying metal objects and to avoid death or serious injury, always wear safety helmet, protective gloves and eye protection when changing pins. Inspect bucket O-rings on a routine basis. If worn or damaged, replacement is necessary.
Page 377: Electrical System
Electrical System NOTE: Never disassemble electrical or electronic parts. Consult a DOOSAN distributor before servicing. Battery WARNING AVOID DEATH OR SERIOUS INJURY Battery electrolyte contains sulfuric acid and can quickly burn the skin and eat holes in clothing. If you spill acid on yourself, immediately flush the area with water.
Page 378 Inspection of Battery Electrolyte Level This machine has two maintenance free batteries. They never require the addition to water. When the charge indicator becomes white, this indicates a low electrolyte state because of a leakage or charging system error. Determine the cause of problem and replace the batteries immediately.
Page 379 Fuses The fuses in the fuse box are used to protect the various electrical circuits and their components from being damaged. See Figure 130. The fuses used are standard automotive type fuses. The section on "Fuse Identification" on page 4-90 lists the circuits and the fuse amperage required for each circuit.
Page 380 Fuse Identification Fuse Box (1) Fuse Box (2) FG000542 Figure 132 Fuse Box One Fuse Box Two Name Capacity Name Capacity USB Charger Fuel Heater Select Function SW, Beacon, SW (High Speed/Breaker), SW (Pressure up/Desox), Air Comp Quick Coupler, Cabin Lamp SW/RY, Swing Break Release (SW,S/V) Removable C/W, Pilot cut off S/V, Boom Floating,...
Page 381: Engine Cooling System
Engine Cooling System General Keeping an engine's cooling system in peak operating condition can have many benefits in keeping a machine in good operating condition. A properly functioning cooling system will improve fuel efficiency, reduce engine wear, and extend component life. Always use distilled water in the radiator.
Page 382 When refilling and changing coolant, use Doosan's genuine coolant is the top priority. If Doosan's genuine coolant is not available, the coolant and additives specifications must meet the following table.
Page 383 Antifreeze Concentration Tables Ethylene Glycol - DOOSAN Genuine Antifreeze Solution (for all seasons) (2,000 Hour/1 Year) Ambient Temperature Cooling Water Antifreeze -20°C (-4°F) -25°C (-13°F) -30°C (-22°F) -40°C (-40°F) NOTE: The concentration shall be kept at 50% and in worst case at 30% minimum for the least corrosion resistance.
Page 384: Fuel Transfer Pump (If Equipped)
Fuel Transfer Pump (If Equipped) NOTICE Please open fuel cap before operate fuel transfer pump to avoid any safety issue/damages due to the pressure building up. Dry operating fuel pump for more than fifteen seconds can cause wear and/or damage to pump. •...
Page 385 WARNING AVOID DEATH OR SERIOUS INJURY If there is any sign of leakage while operating transfer pump, inspect the following components to prevent fire or hazardous fuel spill: • Check all hoses leading to and from the transfer pump. • Check all hose clamps.
Page 386 Open the fuel cap on the fuel tank. Remove strainer cap (4, Figure 133) from strainer (3, Figure 133) on end of inlet hose (5, Figure 133). NOTE: Keep strainer cap (4, Figure 133) in a safe location to reseal strainer (3, Figure 133) after refueling is complete.
Page 387: Handling Of Accumulator
• DO NOT weld on accumulator, or try attaching anything to it. • When replacing an accumulator, contact a DOOSAN distributor or sales agency so the gas can be properly released. • Wear safety goggles and protective gloves when working on an accumulator.
Page 388: Track Tension
Track Tension WARNING AVOID DEATH OR SERIOUS INJURY Measuring track tension requires two people. One person must be in the operator's seat, operating the controls while the other person makes dimensional checks. Block frame to make sure the machine won't move or shift position during service.
Page 389 A track that is properly adjusted may have a different sag according to the track options. Contact your dealer for information. Terrain Type Distance "A" 380 ~ 410 mm Normal (15.0 ~ 16.1 in) WARNING AVOID DEATH OR SERIOUS INJURY The track adjusting mechanism is under very high-pressure.
Page 390: Venting And Priming Hydraulic System
Venting and Priming Hydraulic System Main System Pump NOTE: If pump is run without sufficient oil in the main hydraulic pump, damage can occur. Always vent pump of air after draining hydraulic system. With the engine stopped, remove vent plug (Figure 139) to see if any oil is present.
Page 391 Swing Motor NOTICE If the air is not vented from the system, it will cause damage to the swing motor and bearings. NOTE: Perform this only when oil has been drained from swing motor. DS1901883 Stop engine. Figure 140 Disconnect drain hose and fill swing motor case with hydraulic oil.
Page 392: Maintenance In Special Conditions
Maintenance in Special Conditions NOTE: See "Operation in Extreme Conditions" on page 1-72 for other recommendations. Conditions Maintenance Required Operating in mud, water or rain. Perform a walk around inspection to check for any loose fittings, obvious damage to the machine or any fluid leakage. After completing operations, clean mud, rocks or debris from the machine.
Page 393: Transportation
Whenever removal or reassemble guardrail, always use external ladder to access, and NEVER climbing up machine without guardrail and external ladder. DS1601523 Consult to the Doosan dealer. Figure 1 NOTICE Do not reuse counterweight torque bolt. Once fastened and used under the harsh condition such as counterweight, the bolt may exceeded its yield point.
Page 394: Loading And Unloading
Loading and Unloading Warning for Counterweight and Front Attachment Removal WARNING AVOID DEATH OR SERIOUS INJURY DO NOT remove machine counterweight, front attachment or any other part. This could cause tipping or roll-over resulting in death or serious injury. Never remove counterweight or front attachment unless the upper structure is in-line with the lower structure.
Page 395 Removal Park on firm and level ground. Lower front attachment (bucket) to ground. Stop engine. Move safety lever to "UNLOCK" position. Turn starter switch to "I" (ON) position. WARNING AVOID DEATH OR SERIOUS INJURY engine must running while performing maintenance, use extreme care. Always have one person in the cabin at all times.
Page 396 Installation Using suitable lifting device capable of handling the weight of the counterweight, support counterweight from lifting holes (6, Figure 5). Raise counterweight (1) into position just above support frame (4) leaving counterweight suspended. Verify that counterweight is level and even. NOTE: Leave counterweight (1, Figure 5) suspended 3 mm (0.125") above support frame (4) until all...
Page 397 Make sure that trailer is parked on firm and level ground. See Figure 6. Make sure that ramps that are being used are designed to handle the weight of the excavator. If required, add 90 - 110 blocking under the ramp to provide additional support. The ramp angle must be less than a 15°...
Page 398 The unit does not require disassembly for normal over-the-road transportation. If the boom and arm need to be removed, the counterweight will place more weight on the rear of the machine. Make sure to back the excavator onto the trailer so the counterweight end (heavy end) of the excavator is positioned on the ramp first.
Page 399 EX1300750 Figure 13 DX380LC-7 Transportation...
Page 400: Lifting Machine
Lifting Machine WARNING AVOID DEATH OR SERIOUS INJURY Never lift the machine with a person in the cabin or on the machine. Never enter the area under or around a raised machine. Improper lifting can allow load to shift and cause death or serious injury or property damage.
Page 401: Specification
Specification Standard Specification Specification Component Metric English Operating Weight 40.6 metric tons 44.74 tons Bucket SAE (PCSA) 1.61 m 2.11 yd Capacity Emission EU Stage V Maker and Model SCANIA / DC09 4-Cycle Water Cooled, Variable Geometry Turbocharge, Type Common Rail Direct Injection Engine Rated Power 240 kW @ 1,800 rpm...
Page 402: Overall Dimensions
Overall Dimensions H1’ DS2103348 Figure 1 6.5 m (21' 4") Boom Dimension 3.2 m (10' 6") Arm 2.6 m (8' 6") Arm 3.95 m (13' 1") Arm 1.61 m Bucket 1.83 m Bucket 1.25 m Bucket Overall Length 11,285 mm (37' 0") 11,400 mm (37' 5") 11,310 mm (37' 1") Boom...
Page 403: Disassembled Parts, Dimension And Weight
Disassembled Parts, Dimension and Weight Components Boom FG020218 Figure 2 6.5 m (21' 3") 6.5 m (21' 3") Description Length (A) 6,735 (22' 1") Length (B) 1,805 (5' 92") (ft-in) Width 816 (2' 7") 3,494 3,567 Weight 7,703 7,864 FG020219 Figure 3 3.2 m (10' 6") 3.2 m (10' 6")
Page 404: Ground Pressure
Counterweight EX1401711 Figure 4 Description Counterweight Length (A) 2,990 (9' 10") Length (B) 723 (2' 4") Length (C) 1,047 (3' 5") 7,400 Weight 16,320 Ground Pressure Shoe Width Machine Weight Ground Pressure ton (lb) kg/cm (psi) 600 TG 40.6 (89,508) 0.74 (10.53) 750 TG 41.4 (91,271)
Page 405: Digging Force
Digging Force Arm - Tearout Force Digging Force Type unit 169.7 / *179.5 175.5 / *185.3 3.2 m 17,300 / *18,300 17,900 / *18,900 38,140 / *40,345 39,463 / *41,667 207.9 / *219.7 215.7 / *228.5 2.6 m 21,200 / *22,400 22,000 / *23,300 46,738 / *49,384 48,502 / *51,368...
Page 406: Working Range
Working Range 2,500 mm EX1401493 Figure 5 Specification DX380LC-7...
Page 407 Boom Type 6.5 m (21' 4") Arm Type 2.6 m (8' 6") 3.2 m (10' 6") 3.95 m (13' 1") DIM. Bucket Type (SAE) 1.83 m (2.39 yd 1.61 m (2.11 yd 1.25 m (1.63 yd 10,600 mm 11,180 mm 11,945 mm Max.
Page 408: Excavator Rated Lift Capacity Tables
Excavator Rated Lift Capacity Tables NOTICE Always keep operators manual in operator station: Whenever you handling and lifting objects, ensure operator manual available on the station and refer the lifting chart. See the specification handbook for specifications not listed below. WARNING AVOID DEATH OR SERIOUS INJURY Keep bystanders away from the boom cylinder.
Page 409 • Avoid lifting loads that can become unbalanced if the hook line is twisted and starts to rotate. If the surface area of the load is large enough, wind gusts can create side loads. • Keep the arm end point directly over the load. Use tag lines on opposite sides of the load to help stabilize the load and prevent side loads caused by wind gusts.
Page 410 Track Width : 3.35 m (11' 12") STD Track Boom : 6.5 m (21' 3") : 2.6 m (8' 6") Bucket : Without Bucket Counterweight : 7,400 kg (16,320 Ib) : 600 mm (24") Shoe : Rating Over Front : Rating Over Side or 360 degree Unit : 1,000 kg (1,000 lb) DS1901885...
Page 411 Track Width : 3.35 m (11' 12") STD Track Boom : 6.5 m (21' 3") : 3.95 m (13' 1") Bucket : Without Bucket Counterweight : 7,400 kg (16,320 Ib) : 600 mm (24") Shoe : Rating Over Front : Rating Over Side or 360 degree Unit : 1,000 kg (1,000 lb) DS1901886...
Page 412 Track Width : 3.35 m (11' 12") STD Track Boom : 6.5 m (21' 3") HD : 3.2 m (10' 6") HD Bucket : Without Bucket Counterweight : 7,400 kg (16,320 Ib) : 600 mm (24") Shoe : Rating Over Front : Rating Over Side or 360 degree Unit : 1,000 kg (1,000 lb)
Page 413 Track Width : 3.0 m (9' 10") Narrow Track Boom : 6.5 m (21' 3") : 2.6 m (8' 6") Bucket : Without Bucket Counterweight : 7,400 kg (16,320 Ib) : 600 mm (24") Shoe : Rating Over Front : Rating Over Side or 360 degree Unit : 1,000 kg (1,000 lb) DS2000765...
Page 414 Track Width : 3.0 m (9' 10") Narrow Track Boom : 6.5 m (21' 3") : 3.95 m (13' 1") Bucket : Without Bucket Counterweight : 7,400 kg (16,320 Ib) : 600 mm (24") Shoe : Rating Over Front : Rating Over Side or 360 degree Unit : 1,000 kg (1,000 lb) DS2000767...
Page 415 Track Width : 3.0 m (9' 10") Narrow Track Boom : 6.5 m (21' 3") HD : 3.2 m (10' 6") HD Bucket : Without Bucket Counterweight : 7,400 kg (16,320 Ib) : 600 mm (24") Shoe : Rating Over Front : Rating Over Side or 360 degree Unit : 1,000 kg (1,000 lb)
Page 416: Approximate Weight Of Workload Materials
Approximate Weight of Workload Materials NOTICE Weights are approximations of estimated average volume and mass. Exposure to rain, snow or groundwater; settling or compaction because of overhead weight and chemical or industrial processing or changes because of thermal or chemical transformations could all increase value of weights listed in table.
Page 417 Density Density Density Density 1,200 kg/m 1,500 kg/m 1,800 kg/m 2,100 kg/m Material (2,000 lb/yd (2,500 lb/yd (3,000 lb/yd (3,500 lb/yd or less or less or less or less 1,522 kg/m Gypsum, crushed to 3 inch size (2,565 lb/yd 1,810 kg/m Gravel, DRY, packed fragments (3,051 lb/yd 1,922 kg/m...
Page 418 Specification DX380LC-7 6-18...
Page 419: Index
1INDEX Numerics Auto Grease System 3-86 4-60 Maintenance 1,000 Hour / 6 Month Service 3-80 4-25 Pump Display Mode 10 Hour / Daily Service 3-82 4-83 Pump Programming 12,000 Hour / 6 Year Service 3-89 2-15 Troubleshooting 12V Power Socket 3-69 4-70 Auto Grease System (If Equipped)
Page 420 Fresh and Clean Lubricants 2-90 Door Side Latch 2-91 Front Window Sun Visor DOOSAN Genuine Lubricants Fuel DOOSAN Genuine Replacement Parts 4-94 Transfer Pump (If Equipped) DoosanConnect System General Information and 4-67 Fuel Cap Filter - Replace 0-11 Privacy Notice...
Page 421 Fuel Strainer 4-47 Fuel System Hose Clamps - Inspect 1-11 Impact Hazard 4-40 Fuel Tank Water and Sediment - Drain 2-34 Indicator Display 2-27 Functional Check Information and Location for Safety Decals Fuse Inspection, Maintenance and Adjustment 2-80, 4-89 Boxes Installation 4-89 Fuses...
Page 422 2-33 Menu Selector Button Pin and Bushings of the Front End Attachment - 1-39 4-47 Mirror Adjustment Inspect 4-36 1-69 Mirrors - Check Poor Visibility 2-93 3-24 Miscellaneous Access Doors Power Mode 2-79 2-31 Miscellaneous Electrical Devices Power Mode Indicator 3-24 2-31 Mode Selection...
Page 423 2-83 2-25 Adjusting Height/Angle of Armrest Hour Meter 2-82 Adjusting Reclining Intelligent Floating Boom Switch (If Equipped) 2-81 2-18 Adjusting the Seat Forward / Backward 2-82 2-14 Adjustment of Lumbar Support Intermittent Speed Button 2-82 2-16 Headrest Light Switch 2-24 Left and Right Control Stand Height Adjustment Micro Phone (If Equipped) 2-82...
Page 424 Walk around Checks Windshield Washer Fluid 3-29 Warning for Counterweight and Front Attachment Work Levers (Joysticks) (BHL Pattern) 1-62, 5-2 3-28 Removal Work Levers (Joysticks) (ISO Pattern) 2-41 3-25 Warning Pop-Up Messages Work Mode 1-55 1-33 Warning Tag Work Site 1-68 Warning Tag - "Do Not Operate"...

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