SUNWARD SWE155F Operation & Maintenance Manual
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SUNWARD SWE155F Operation & Maintenance Manual

Crawler-type hydraulic excavator
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SWE155F
Crawler-type Hydraulic Excavator
Operation & Maintenance
Manual
Sunward Intelligent Equipment Co., Ltd.
July, 2020
I

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Summary of Contents for SUNWARD SWE155F

  • Page 1 SWE155F Crawler-type Hydraulic Excavator Operation & Maintenance Manual Sunward Intelligent Equipment Co., Ltd. July, 2020...
  • Page 2 The manual should be regarded as the permanent part of excavator and kept at the easy reading place for consultation at any time. If it is damaged or lost, please contact SUNWARD or agents for ordering. The manual should be attached when the excavator is transferred or sold.

  • Page 3: Table Of Contents

    OPERATION & MAINTENANCE MANUAL SWE155F Table of Contents 1 SAFETY RULES ............................6 1.1 SAFETY LABELS ........................... 7 1.1.1 Location of Safety Labels ...................... 7 1.1.2 Safety Labels Instructions ..................... 3 1.2 GENERAL SAFETY RULES ......................14 1.2.1 Observing Safety Rules ....................... 14 1.2.2 Understanding Safety Label ....................
  • Page 4 OPERATION & MAINTENANCE MANUAL SWE155F 1.3.6 Operation on Snowy Ground ....................27 1.3.7 Avoid Tipping-Over ......................27 1.3.8 Preventing Accidents While Backing or Swinging .............. 28 1.3.9 Avoiding Accidents Caused By Control Failures ..............29 1.3.10 Moving Machine Safely ....................29 1.3.11 Safety Rules during Traveling ...................
  • Page 5 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.4 Air Condition Control Panel ....................53 3.2.5 Multifunction Monitor System .................... 54 3.2.6 Right Pilot Control Handle ....................74 3.2.7 Horn Switch ......................... 74 3.2.8 Dozer Blade Control ......................75 3.2.9 Left Pilot Control Handle ....................75 3.2.10 One-key Idling Switch .......................
  • Page 6 OPERATION & MAINTENANCE MANUAL SWE155F 4.1.5 Correct Use of Fuel and Lubricant ..................119 4.1.6 Checking Discharged Grease and Used Filter Element ............. 119 4.1.7 Checking after Inspection and Maintenance ..............120 4.1.8 Electrical System Maintenance..................120 4.1.9 Hydraulic System Maintenance ..................120 4.2 OIL, COOLANT AND FILTER ....................
  • Page 7 OPERATION & MAINTENANCE MANUAL SWE155F 5.1.4 Electrical Schematic ......................173 5.1.5 Electrical Components ....................... 174 5.1.6 Hydraulic Schematic......................175 5.1.7 Hydraulic Components ...................... 176 5.1.8 Noise & Vibration Description ..................176 6 NOTE FOR SAFETY ..........................177 7 MANUFACTURER INFORMATION ....................180...

  • Page 8: Safety Rules

    OPERATION & MAINTENANCE MANUAL SWE155F 1 SAFETY RULES Warning Please thoroughly read and completely understand all precautions described in this manual or safety labels. Follow all instructions when operating or servicing this machine.

  • Page 9: Safety Labels

     In case the labels are damaged, lost or not legible, replace them with new ones. For details of the part number, refer to parts manual or actual label, and place an order with SUNWARD or our authorized distributors. Actual position of safety labels in the machine...

  • Page 10: Safety Labels Instructions

    OPERATION & MAINTENANCE MANUAL SWE155F 1.1.2 Safety Labels Instructions (1) Safety Operation Label  Please read all safety precautions carefully written in labels and all information concerning safety, prior to operate machine.  Maintenance frequently and replace safety label if required.
  • Page 11 OPERATION & MAINTENANCE MANUAL SWE155F procedures, please refer to the “diesel engine maintenance manual” enclosed with the other literature of the machine. Pre-start inspection  Keep control lever of pilot valve in LOCK position, pilot handle and travel pull link are in normal position (neutral position), operator sit over seat.
  • Page 12 OPERATION & MAINTENANCE MANUAL SWE155F (3) Diesel Label Caution  Refilling fuel with extra care. Stop engine before refilling fuel. Do not smoke while refilling to fuel tank or operating around fuel system.  Select proper fuel according to different ambient temperature.
  • Page 13  Use only genuine SUNWARD components.  The warranty is not applicable for any damages arising from failure to use SUNWARD recommended fuel, lubricant, hydraulic oil and genuine SUNWARD components.  Do not adjust engine speed limiter or safety valve of...
  • Page 14 OPERATION & MAINTENANCE MANUAL SWE155F hydraulic system.  Do not allow water or vapor to reach electrical equipment.  Do not disassemble components such as engine pump controller, sensor etc. (6) Wiper Label Use the wiper properly. (7) Filter Element Maintenance Safety Label Replace pilot oil filter ……every 400 hours...
  • Page 15 OPERATION & MAINTENANCE MANUAL SWE155F  Rotate clockwise to tighten filter housing to head cover. Tighten at torque: 19.5—29.5Nm (2-3 kgf.m). (8) Engine Hood Label Warning  Shut down engine before opening engine hood.  Be cautious of scalding after opening engine hood.
  • Page 16 OPERATION & MAINTENANCE MANUAL SWE155F (13) Traction Hook (14) Anti- scald Label  After running operation, engine oil, gear oil and hydraulic oil is getting hot, so do engine, hoses, pipelines or other components. Be cautious of scalding.  Attempt inspection and maintenance procedure, after machine components and oil cool down.
  • Page 17 OPERATION & MAINTENANCE MANUAL SWE155F  Left pilot handle controls motion as below： e. rotate upper-structure to left (counterclockwise) f. rotate upper-structure to right (clockwise) g. extend arm h. retract arm  Operation together with two pilot handles can also take compound motion.
  • Page 18 OPERATION & MAINTENANCE MANUAL SWE155F (19) Pilot Safety Lock Label (20) Fuel Label Warning  Handle fuel with extra care because it’s highly flammable. In case that fuel is ignited, this can cause explosion or fire, and even death or injury to person.
  • Page 19 OPERATION & MAINTENANCE MANUAL SWE155F (21) Life Hammer Label (22) Emergency Exit Label  When accidents happen, and operator is trapped in cab, operator can use life hammer located on the side of cab to destroy window labeled with exit mark to get out of the machine.
  • Page 20 OPERATION & MAINTENANCE MANUAL SWE155F (23) Center of Gravity Label (24) Hydraulic Oil Label （25）Grease Label...

  • Page 21: General Safety Rules

    OPERATION & MAINTENANCE MANUAL SWE155F 1.2 GENERAL SAFETY RULES 1.2.1 Observing Safety Rules  Thoroughly read, understand and follow all safety precautions and procedures found in this manual.  Regularly affix, maintenance and renew new safety labels, so that they are legible ，...

  • Page 22: Understanding Safety Label

    OPERATION & MAINTENANCE MANUAL SWE155F 1.2.2 Understanding Safety Label Different safety labels containing safety messages are located on different position. All message of safety are identified by words “DANGER” “WARNING” and “CAUTION”(see fig), Their significations are as follow:  DANGER ---indicates an imminent hazard, if not avoided, will result in death or serious injury.

  • Page 23: Safety Equipment

    OPERATION & MAINTENANCE MANUAL SWE155F Protective glasses, goggles or face mask Mask or filter face mask Ear plug or earcap Safety belt and rain-proof 1.2.5 Safety Equipment  Make sure that all guards and covers are properly positioned. Repair immediately if they are damaged.

  • Page 24: Correct Entering/Leaving Machine

    OPERATION & MAINTENANCE MANUAL SWE155F cab to prevent fire as a result of solar light focusing.  Don’t leave lighter in cab. There is a possibility that lighter may explode along with the increase of temperature. 1.2.9 Correct Entering/Leaving Machine ...

  • Page 25: Ensuring Perfect Visibility

    OPERATION & MAINTENANCE MANUAL SWE155F  Change seat belt every 3 years to ensure the safety performance of seat belt can meet the requirements for use. 1.2.12 Ensuring Perfect Visibility  Stop the machine if the fog, rain, snow or dust has negative effects on your visibility.

  • Page 26: Operation On Loosened Area

    OPERATION & MAINTENANCE MANUAL SWE155F flammable materials such as thatched roof, dry leaves or dry grass.  Survey terrain and ground condition around worksite. Determine a safest operation method in a safe manner.  Do not operate in vicinity of the area in which there is a risk of landslide or falling rock.

  • Page 27: Distance To High Voltage Cables

    OPERATION & MAINTENANCE MANUAL SWE155F 1.2.19 Distance to High Voltage Cables  Severe injury or death can occur to person due to any contact of any parts or load of machine with electric cables. Always keep safe distance： Minimum Voltage...

  • Page 28: Preventing Fire And Explosion

    OPERATION & MAINTENANCE MANUAL SWE155F 1.2.22 Preventing Fire and Explosion  No smoke or using naked flame around fuel and engine oil.  Stop engine before refilling.  Do not spill oil to hot surface or electrical equipments of machine.

  • Page 29: Prevention Of Flying-Out Parts

    OPERATION & MAINTENANCE MANUAL SWE155F 1.2.25 Prevention of Flying-Out Parts  Bear in mind that lubricating grease in track tension device is under high pressure. Do not remove parts such as oil cup or valve etc to avoid injury. ...

  • Page 30: Be Careful Of High Pressure Liquids

    OPERATION & MAINTENANCE MANUAL SWE155F 1.2.28 Be Careful Of High Pressure Liquids  High pressurized fluid can penetrate leading to severe injury.  Always release pressure before separating fluid or other pipelines.  You may release pressure by means of operating control lever.

  • Page 31: 31Waste Material Disposal

    Machine  Any unauthorized modification to machine may involve hazards.  SUNWARD disclaim any responsibility for damage, injury or accidents arising from unauthorized modification. 1.3 SAFE OPERATION INSTRUCTIONS 1.3.1 Inspection before Starting Engine Before starting daily routine inspection, carry out the following checks.

  • Page 32: Correct Engine Start-Up

    OPERATION & MAINTENANCE MANUAL SWE155F 1.3.2 Correct Engine Start-up Warning: Inappropriate engine start can cause machine out of control leading to severe injury or death.  Make sure all control levers are set in neutral position, and honk the horn to alert, before starting engine.

  • Page 33: Safe Operation

    OPERATION & MAINTENANCE MANUAL SWE155F 1.3.4 Safe Operation  Before excavation operation, thoroughly check the underground line conditions. Precisely identify location of individual underground utility line such as cables, gas pipeline, water pipeline etc.  Keep jobsite off-limits to all no operating person.

  • Page 34: Operation On Snowy Ground

    OPERATION & MAINTENANCE MANUAL SWE155F 1.3.6 Operation on Snowy Ground  Snow coated or frozen ground is slippery. So pay extreme attention when tramping or operating machine. Do not operate control lever suddenly. Pay much attention when operating on a slope even a slight slope.

  • Page 35: Preventing Accidents While Backing Or Swinging

    OPERATION & MAINTENANCE MANUAL SWE155F 1.3.8 Preventing Accidents While Backing or Swinging Warning: There is a possibility to crush or hit person around to cause severe accidents of injury or death, when swing or reversing the machine. Follow the following instructions to prevent accidents during swing or reversing operation.：...

  • Page 36: Avoiding Accidents Caused By Control Failures

    OPERATION & MAINTENANCE MANUAL SWE155F 1.3.9 Avoiding Accidents Caused By Control Failures Warning: When the machine is out of control, any attempt to mounting or to stop a moving machine can result in severe injury or even death. To avert runaway, it’s necessary to park machine properly.

  • Page 37: Safety Rules During Traveling

    OPERATION & MAINTENANCE MANUAL SWE155F 1.3.11 Safety Rules during Traveling  During operation of machine, do not operate exceeding max load capacity or performance to avoid stall and damage to working device.  When traveling on flat ground, fold the working device and keep 400 to 500mm high above the ground.

  • Page 38: Safety Rules During Towing

    OPERATION & MAINTENANCE MANUAL SWE155F direction. When traveling, always check the firmness of the ground in front of machine.  When traveling uphill, extend the working device to the front to improve the balance, keep the working device 20 to 30cm and travel at low speed.

  • Page 39: Parking Machine

    OPERATION & MAINTENANCE MANUAL SWE155F  Provide proper truck or trailer for road transportation.  When crossing bridges or private structures, check first to ensure that the ground is firm enough and capable of supporting the weight of the machine.

  • Page 40: Safety Maintenance Information

    OPERATION & MAINTENANCE MANUAL SWE155F 1.4 SAFETY MAINTENANCE INFORMATION 1.4.1 Using Warning Signs Warning: During maintenance service procedure, any attempt to start the engine, have access or operate control lever of working device can result in serious injury or damage.

  • Page 41: Safety Maintenance Rules

    OPERATION & MAINTENANCE MANUAL SWE155F 1.4.3 Safety Maintenance Rules  Understand all maintenance instructions prior to operation.  Keep the working site clean and dry.  Do not spay water and vapor in cab.  When the machine if moving, do not lubricate the machine or perform any maintenance operation.

  • Page 42: Tips For Using A Hammer

    OPERATION & MAINTENANCE MANUAL SWE155F 1.4.4 Tips for Using a Hammer  When using a hammer, pins may fly out or metal particles may be scattered. This may lead to serious injury, always do as follow. When using a hammer to hit hard metal parts, say ...

  • Page 43: Avoiding Heating Near Pressure Oil Pipes

    OPERATION & MAINTENANCE MANUAL SWE155F 1.4.7 Avoiding Heating near Pressure Oil Pipes Warning: Heating around hydraulic pressure pipe will cause flammable spray causing serious scald to yourself or bystanders.  Do not carry out any welding, gas welding, gas cutting or heating operation around hydraulic pressure pipe or other flammable material.

  • Page 44: Maintenance Precaution Of Track Tension Mechanism

    OPERATION & MAINTENANCE MANUAL SWE155F 1.4.10 Maintenance Precaution of Track Tension Mechanism  Grease is being pumped into track tension adjustment system under high pressure. During adjustment operation, if the specified maintenance procedures are not followed, the lubricating grease drain plug (1) may fly out leading to serious injury and damage.

  • Page 45: Safety Operation For High-Pressure Hoses

    If oil or fuel leaks from high-pressure hoses, it may cause fire or defective operation, which may lead to serious injury. If any loose bolts are found, stop work and tighten to the specified torque. If any damaged hoses are found, stop operations immediately and contact your SUNWARD distributor. Damaged hose, deformed mouthpiece, damaged O-ring.

  • Page 46: Preventing Accumulator Explosion

    OPERATION & MAINTENANCE MANUAL SWE155F 1.4.14 Preventing Accumulator Explosion  Do not allow any lightened matches or other flame to approach accumulator upper side. Failure to do so may cause explosion.  Use voltmeter or hydrometer to measure electricity; do not measure the electricity of battery by short circuiting.

  • Page 47: Transportation And Storage

    OPERATION & MAINTENANCE MANUAL SWE155F 2 TRANSPORTATION AND STORAGE Warning Before reading this chapter, please thoroughly read and fully understand the contents described in chapter "SAFETY RULES" in this manual.

  • Page 48: Transport

    OPERATION & MAINTENANCE MANUAL SWE155F 2.1 TRANSPORT 2.1.1 General Transport Instructions  Before using a trailer to transport machine, contact local traffic department to confirm relevant regulations, make sure that machine’s overall length, width, height and weight are within allowed spec.

  • Page 49: Loading Or Unloading With A Trailer

    OPERATION & MAINTENANCE MANUAL SWE155F 2.1.3 Loading or Unloading with a Trailer Warning  When loading or unloading, do not go at idle speed mode to prevent sudden change in speed.  Set travel speed at low position. Do not attempt any travel speed switching operation to avoid that sharp change of speed and over-speed cause danger.

  • Page 50: Loading

    OPERATION & MAINTENANCE MANUAL SWE155F 2.1.4 Loading Note  Load the machine only on firm, level ground and keep a safe distance with the road shoulder.  Chock the machine to prevent the machine movement during loading process.  The ramp for loading must have enough strength and width with an maximum slope of 15°, be sure both side of the ramp is at equal...

  • Page 51: Tying Down The Machine

    OPERATION & MAINTENANCE MANUAL SWE155F 2.1.5 Tying Down the Machine Note  Secure the chains or slings to the machine frame. Do not place the chains and slings across or press on the hydraulic piping or hoses.  When placing the machine on the specified position of...

  • Page 52: Lifting Machine

    Never walk under the machine.  This lifting procedure applies to machine with standard specifications.  To get the lifting methods information for the machines equipped with other attachments or optional devices, please contact SUNWARD or our distributor. Machine lifting operation...

  • Page 53: Storage

    OPERATION & MAINTENANCE MANUAL SWE155F  Set work equipment to the sprocket side. Extend arm cylinder and bucket cylinder to their end of stroke, operate boom cylinder and lower the work equipment to the ground.  Stop the engine, remove the key and lock cab doors and windows securely.

  • Page 54: During Storage

    OPERATION & MAINTENANCE MANUAL SWE155F (32° F), mix coolant with anti-freezing liquid.  Select proper storage position： The machine must be kept at well-ventilated indoor place, if the machine has to be stored outdoors, select level, firm ground and cover the machine with a sheet.

  • Page 55: Operation

    OPERATION & MAINTENANCE MANUAL SWE155F 3 OPERATION Warning Before reading this chapter, please thoroughly read and fully understand the contents described in chapter "SAFETY RULES" in this manual.

  • Page 56: Machine Assembly Drawing

    OPERATION & MAINTENANCE MANUAL SWE155F 3.1 MACHINE ASSEMBLY DRAWING  To operate machine safely and properly, it’s crucial to fully understand the machine’s individual structure and operation methods for controlling equipment, as well as the presented meaning. 1. Bucket 2.Linkage 3.

  • Page 57: Control Device Instructions

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2 CONTROL DEVICE INSTRUCTIONS 3.2.1 Control Device Illustration ⑪ ⑫ ⑭ ⑬ ⑮ ⑯ ① ② ③ ④ Seat ⑤ ⑥ ⑦ ⑧ ⑩ ⑨ 1- Throttle control knob 2-Starting switch 3-Work light switch 4-Wiper switch...

  • Page 58: Pilot Safety Lever

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.2 Pilot Safety Lever Warning  When leaving the cab, always set the pilot pilot safety lever (1) to LOCK position. Failure to do so as well as to touch the lever accidentally, serious injury may occur.

  • Page 59: Travel Control Lever

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.3 Travel Control Lever Warning  Do not rest your feet on pedal unless the machine travels. If resting your feet on the pedal and stepping down on it accidentally, a sudden movement of the machine may occur and lead to serious accidents.

  • Page 60: Air Condition Control Panel

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.4 Air Condition Control Panel 1－OFF button 2－Wind speed switch 3－Temperature setting switch 4－Air outlet mode setting switch 5－Auto mode setting switch 6－Inner/exterior air-in switch 7－LCD screen 8－Hot/cold change switch...

  • Page 61: Multifunction Monitor System

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5 Multifunction Monitor System 3.2.5.1 Main Interface Sunward LOGO Warning icon GPS failure code Emergency-stop alarm One-key for idle speed Fuel oil level Engine regeneration Post-processing Coolant temperature Accelerator gear Auto preheating Failure code Time...
  • Page 62 OPERATION & MAINTENANCE MANUAL SWE155F warning light will light; no warning, the light is white. SUNWARD LOGO: Fuel quntity icon: . On the side of E means that fuel is a little, on the side of F means that lots of fuel. When the pointer turns to the red area on the E side, the fuel oil should be refilled in time.
  • Page 63 OPERATION & MAINTENANCE MANUAL SWE155F icon disappear. Accelerator gear: ten gears are included. Turn the accelerator knob to change it. is a icon for system failure. When system detects a system failure, this icon is red, or is white. is the icon for auto-preheating. When the machine temperature is lower than the set one, increase the engine rev to heat the water.
  • Page 64 OPERATION & MAINTENANCE MANUAL SWE155F In this interface： This interface display rest maintenance time of engine oil filter element, fuel filter element and air filter element. If there are no need to maintain, please press F1 to exit. After replacing engine oil filter element, press F5 to set maintenance time again.
  • Page 65 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.4 Main Menu Interface Press F2 in main interface enter into menu interface Downward Upward select select Confirm Exit In this interface： Following information you can find, including operate information, port information, warning and failure information, user settings, system settings, machine information, history failure record, throttle calibration, loading counter.
  • Page 66 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.5 Operation Information Interface Running Information Running Information ECU Information This interface display system operation information, in this interface： Three interfaces are included. Following information you can find: Engine rev, system voltage, fuel oil level, hydraulic pump pressure, pilot pressure, work mode, accelerator gear, work time, engine torque, engine oil pressure, air pressure, pressurized temperature, DEF liquid temperature and level.
  • Page 67 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.6 Port Information Interface Port Information Port Information This interface display system port information, in this interface： Two interfaces are included, which are analog signals and numerical signals. Press F4 and F5 to switch among two interfaces.
  • Page 68 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.7 Machine Information Interface In this interface： Following information can be found, including machine model, machine serial no., displayer no., engine model and soft version no. Press F1 to return system menu interface.
  • Page 69 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.8 User Setting Interface Input correct password in the user loading interface and then enter user setting interface, in this interface： In user loading interface, use F2 and F3 to input password, F4 button is used for selecting password digit capacity.
  • Page 70 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.8.1 Clock Setting Interface In this interface： F4 is used to select the parameter which should be modified, F2 and F3 are used to modify parameters, F5 is used to confirm the modified value, and press F1 to exit.
  • Page 71 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.8.2 Language Setting Interface In this interface： Press F2 and F3 to select a language, confirm by F5 and return by F1.
  • Page 72 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.8.3 Screen Brightness Setting Interface In this interface： Press F2 and F3 to adjust the brightness, confirm by F5 and return by F1.
  • Page 73 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.8.4 Maintenance Interval Setting Interface In this interface: Press F2 and F3 to adjust interval time, F4 is used to select project to be adjust, F5 is confirming, press F1 to return.
  • Page 74 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.8.5 User Password Modification Interface In this interface： Press F2 and F3 to modify password, F4 is used to select password digit capacity, press F5 to confirm, exit by F1. After inputting the correct password, then you can set a new password.
  • Page 75 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.8.6 Stage Hour Setting Interface In this interface： F2 and F3 are used to begin timing or reset the time, when timing begins, lease hour is triggered, when select time reset, lease hour reset, press F5 to confirm, press F1 to exit.
  • Page 76 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.9 System Settings Interface System Setting System Setting Loading Input the correct password in the loading interface of system settings to enter the system settings interface in which you can do following operations: （1） In the loading interface of system interface, input correct password by F2 and F3, select the password digit capacity by F4, confirm with F5 after correct password is input to enter the system settings interface.
  • Page 77 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.10 Warning and Failure Information Interface In this interface: System failure, GPS failure and ECM failure are included. You can check corresponding information of failure or warning code. F2 and F3 can be selected among failure.
  • Page 78 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.11 History Failure Record Interface History failure record interface 4-1 History failure record interface 4-2 History failure record interface 4-3 History failure record interface 4-4...
  • Page 79 In interface4-4, F5 is used to confirm clearing history failure. F1 is to exit. 3.2.5.12 Throttle Calibration Interface Disoperation can lead to abnormal system, so please try your best to contact with Sunward or the person who is authorized by Sunward to deal with it. In this interface：...
  • Page 80 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.5.12 Loading Counter Interface In this interface： Start/cancel loading counter function, or reset current loading number. Press F2 and F3 used to select loading counter and reset loading number, press F5 confirm. Press F1 to go back.

  • Page 81: Right Pilot Control Handle

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.6 Right Pilot Control Handle （with horn switch）  The right handle for work equipment is used to control boom up/down movement as well as bucket’s digging and dumping. （a）pull the handle backward--boom lift （b）push the handle forward -boom lower （c）push the handle to right- bucket dump...

  • Page 82: Dozer Blade Control

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.8 Dozer Blade Control  Control dozer blade by the control lever on right side of right control box, push the control lever forward to lower dozer blade, pull rearward to lift.  （A）— Dozer blade raise ...

  • Page 83: Starting Switch

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.11 Starting Switch Starting switch is used to start or shut the engine.  OFF position You can insert or remove key. All electrical system switches are shut-down except indoor lamp. Engine is stopped as well.

  • Page 84: Work Light Switch

    OPERATION & MAINTENANCE MANUAL SWE155F 3.2.13 Work light Switch  Work light Switch is used to control headlight, working light, and light for monitor.  Set Work light Switch to ON position, machine’s front light, working light, and monitor light will be electrified and illuminated.
  • Page 85 OPERATION & MAINTENANCE MANUAL SWE155F 3.2.16 Auto /Manual Selection Switch  This switch is used to control pilot solenoid valve.  Place the switch on “Auto” position, and the pilot solenoid valve is controlled by the excavator controller.  Set to the “Manual” position to control the pilot solenoid valve by the corresponding switch.

  • Page 86: Other Operation Instructions

    OPERATION & MAINTENANCE MANUAL SWE155F 3.3 OTHER OPERATION INSTRUCTIONS 3.3.1 Cab Windows Cab rotary front window  To open or close the rotary window, always stop the machine at level ground, lower the work equipments to ground and stop the engine before proceeding to other operations.
  • Page 87 OPERATION & MAINTENANCE MANUAL SWE155F Cab Skylight Window  Set pilot safety lever to LOCK position.； Warning  Serious accidents may occur arising from failure to lock up the control lever or touch it unexpectedly.  Open the lock button (A) on the front, then grip the handle (B) and push it upward to open the canopy.
  • Page 88 OPERATION & MAINTENANCE MANUAL SWE155F Outdoor Rotary Latch  Open the cab door: push the door until A latches with B (see the right fig.1), following a clack sound, the door is locked( see fig.2). Fig.1  Open the cab door：Press the unlock handle on the right side of under door frame, the fixed lock will be open,(as fig.3),then close the cab...

  • Page 89: Cover And Hood With Lock

    OPERATION & MAINTENANCE MANUAL SWE155F 3.3.2 Cover and Hood with Lock  The fuel filling opening, cab, machine body covering units are equipped with lock.  When using starting key to open or close these covers, doors and hoods, insert the key to the bottom, then rotate the key.
  • Page 90 OPERATION & MAINTENANCE MANUAL SWE155F Fuel tank lock  Open fuel tank filling opening cover A; insert the key into the key slot, turn the key anticlockwise for 180°, the lock is open. To lock the fuel filling opening, turn the B clockwise (see fig below).

  • Page 91: Cigar Lighter

    OPERATION & MAINTENANCE MANUAL SWE155F 3.3.3 Cigar Lighter  Push the lighter into the hole following the direction given in fig. it will rest in LOCK position until the heat-up is made. Then the light will eject and return to initial position.
  • Page 92 OPERATION & MAINTENANCE MANUAL SWE155F Press “FM/AM” button to change radio band and the band will circulate among FM1/FM2/FM3/AM1/AM2/FM1. (4) Radio Channel Manual Selection: Shortly press “∧” and “∨” under the “TUNING” to search radio station by upward or downward frequency.

  • Page 93: Seat

    OPERATION & MAINTENANCE MANUAL SWE155F Attention  Set the volume to the appropriate position to avoid traffic accidents.  Place this radio in the cab if in the hot or cold day. Idle temperature ensures its good performance.  It's easily broken when water poured in, don't spray water onto this radio when washing the machine.

  • Page 94: Fuse

    OPERATION & MAINTENANCE MANUAL SWE155F D：Arm rest angle adjustment Rotate the angle adjustment hand wheel 5 under the arm rest; adjust the arm rest 4 to the comfortable position. E：Foot position adjustment Pull up level 2, and adjust the foot position, after it attains ideal position, put down the lever, and realize self-hold.

  • Page 95: Air Conditioner Instruction

    OPERATION & MAINTENANCE MANUAL SWE155F 3.3.7 Air Conditioner Instruction Warning  It's dangerous to perform improper operation, lubrication, maintenance service procedure on the machine. This may cause injury or death.  Do not attempt any operation on the machine before...
  • Page 96 OPERATION & MAINTENANCE MANUAL SWE155F Operation Instruction The cab inner is equipped with air conditioner, the panel is on the left controlling box, and users can start the air conditioner according to environmental temperature and self requirement, and adj usting inner temperature.
  • Page 97 OPERATION & MAINTENANCE MANUAL SWE155F centigrade to 32.0 centigrade. Press the button , the setting temperature will rise; Press the button , the setting temperature will drop. On normal state, the temperature should be set at 25 centigrade. 4. Air outlet selection The mode of the outlet can be set as below: Press this selection button ④...
  • Page 98 OPERATION & MAINTENANCE MANUAL SWE155F 7. LCD Screen Display the setting temperature, air output and the status of the air outlet when the air conditioner is working. Press down the "OFF" switch ①, all the indicating icons disappear and the air conditioner stops running.
  • Page 99 OPERATION & MAINTENANCE MANUAL SWE155F Typical Operation Procedures 1. The auto mode setting switch ⑤ is on and the temperature, air flow rate, auto switch, and A/C switch indicator lights on the LCD screen are on. 2. Adjust the temperature switch and set the temperature to a comfortable value.
  • Page 100 OPERATION & MAINTENANCE MANUAL SWE155F Running in cool head and warm feet mode (BYLEVEL) Meaning trouble Representation 1. Press down the fan switch ② to adjust the air flow rate. code The set temperature and air flow rate are confirmed through Trouble-free the LCD screen.

  • Page 101: Accumulator

    OPERATION & MAINTENANCE MANUAL SWE155F Conversion between ℃ and ℉ LCD indication To press down the temperature setting switches ℃ simultaneously for 5 seconds while the fan operates can realize the 18.0~32.0 conversion between ℃ and ℉. ℉ 63~91 Reset Applicable for the newly installed air conditioner or erasing the trouble codes after the troubleshooting.
  • Page 102 OPERATION & MAINTENANCE MANUAL SWE155F  Set pilot safety lever to free position. Operate work equipment lever and accessory control pedal forward, backward, leftward and rightward alternately to release pressure in piping.  Set safety control lever to LOCK position to lock up control lever and attachment control pedals.

  • Page 103: Machine Operation And Control

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4 MACHINE OPERATION AND CONTROL 3.4.1 Operator’s Position Operator is seated on the left hand in the cab. It includes operator seat, seat belt, left/right handle, left/right pedal travel operating valve (handle), operation display screen, radio and .air conditioner.

  • Page 104: Work Mode Selection

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.3 Work Mode Selection  Based on different work condition, select different work mode for the high efficiency, energy saving, and Mode Selection environmental friendly purpose.  Select different gears by accelerator rotary knob according to driving modes, shown as below.

  • Page 105: Engine Start-Up

    OPERATION & MAINTENANCE MANUAL SWE155F remove all oil to avoid fire.  Do a walk-around inspection on machine: check for bolt looseness, wire wear out, piping leakage etc. If any abnormal signs are detected, please clear them.  Check work equipments, cylinder, link, hose free of crack, wear out or and variation.
  • Page 106 OPERATION & MAINTENANCE MANUAL SWE155F  Throttle knob should be set to MIN position before starting the engine.  Do not keep the starting motor running continuously for longer than 5 seconds. If the engine fails to start, wait 2 minutes before a new attempt.

  • Page 107: New Machine Running-In

    OPERATION & MAINTENANCE MANUAL SWE155F  The engine oil pressure is displayed in screen, check whether it’s within specified range. If yes, you are allowed to operate. If no, find out the problem and do not operate until the problem is cleared. You could stop the engine to help find the problem if necessary.

  • Page 108: Machine Preheating In Cold Weather

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.7 Machine Preheating in Cold Weather Note  When hydraulic oil temperature is below 25 ℃ , operating machine in this circumstances cause sudden movement and stop, the machine will become hard to maneuver. And accidents may occur.

  • Page 109: Safety Operation Rules

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.8 Safety Operation Rules Safety rules on machine steering  Place the idler underneath the cab and place sprocket under counterweight. Only when idler is under the cab, the direction of travel control lever matches with that of machine traveling.
  • Page 110 OPERATION & MAINTENANCE MANUAL SWE155F Safety rules on travelling operation  Do not exceed allowed load of the machine to prevent damages to it.  When traveling on flat ground, lower work equipment (bucket) to a height of 400 to500mm above the ground level.

  • Page 111: Machine Traveling

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.9 Machine Traveling Note  Only if the idler is under cab, the machine moves in the same direction to the operation of the travel levers.  When machine is traveling, do not change traveling direction suddenly to avoid damages to machine.

  • Page 112: Machine Steering

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.10 Machine Steering  When idler is located under cab, push left travel lever (or pedal) forward, the machine will turn right, push right travel lever( or pedal) to turn left.  When idler is located under cab, pull left travel lever (or pedal) backward to turn left.
  • Page 113 OPERATION & MAINTENANCE MANUAL SWE155F  When the sprocket is located under cab, the relation between operation direction and machine travel direction is opposite to the item ①, ② above.

  • Page 114: Upper-Structure Swing

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.11 Upper-structure Swing Warning  Before swing operation, check that surrounding area is clear of obstacles and has sufficient space to swing  During swing operation, do not extend bucket and arm at one time, unless the space is larger than machine’s max digging radius.

  • Page 115: Work

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.13 Work Backhoe work  The bucket should be lowered at 45 to the ground.  Use arm as a primary digging force to pull bucket towards machine direction.  If there is mud adhered to bucket, move arm and (or) bucket back and forth rapidly to get rid of mud.
  • Page 116 OPERATION & MAINTENANCE MANUAL SWE155F truck, stop swing operation and boom lifting. Leveling work Note Extend arm and bucket to dump.   Do not use bucket to smooth the ground After dumping, swing upper-structure, fold excessively. arm and bucket appropriately.
  • Page 117 OPERATION & MAINTENANCE MANUAL SWE155F Breaking work Note  Select matched model breaker according to excavator model.  Main applications of breaker： Rock crush Road construction Structure demolition  Keep the chisel pushed perpendicularly against the impact surface when carrying out breaking operation.
  • Page 118 OPERATION & MAINTENANCE MANUAL SWE155F Prohibition for a Breaker  Do not operate hammer breaker to the end of strokes.  Do not crush objects with swing force.  Do not move the chisel while carrying out breaking operations ...
  • Page 119 OPERATION & MAINTENANCE MANUAL SWE155F  Do not twist the chisel when it has penetrated the rock.  Do not move work equipments to drive breaker to work.  When folding arm and breaker, do not collide boom; let alone step down impacting pedal to cause chisel to hit boom.

  • Page 120: Emergency Stop For Boom

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.14 Emergency Stop for Boom If the engine fails to start due to unexpected shutdown, it’s necessary to lower the boom and keep bucket down to ground to prevent accidents arising from boom falling off as well as to facilitate service.

  • Page 121: Machine Stop And Emergency Stop

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.16 Machine Stop and Emergency Stop Stop machine 1） Stop operating lever and travel pedal, each control valve will return to NEUTRAL position; all action of the machine will stop. However machine will when operating the control valve.

  • Page 122: Prohibited Operations

    OPERATION & MAINTENANCE MANUAL SWE155F 3.4.17 Prohibited Operations 1） Do not let bucket with full load passing over people and cab to prevent falling objects. 2） Do not excavate too deeply under the machine, the ground under the machine may collapse and cause the machine to fall.
  • Page 123 OPERATION & MAINTENANCE MANUAL SWE155F 5） Do not use impact of work equipments to break objects. This may cause damages to work equipments. 6） When carrying out demolition work, do not carry demolition above your head, there is hazard of broken parts falling off.

  • Page 124: Maintenance

    OPERATION & MAINTENANCE MANUAL SWE155F 4 MAINTENANCE Warning Before reading this chapter, please thoroughly read and fully understand the contents described in chapter “SAFETY RULES” in this manual.

  • Page 125: Maintenance Information

    4.1.1 Maintenance Instruction and Inspection Procedure 【Important】  Use recommended fuel, hydraulic oil and lubricant.  Use only genuine parts produced by SUNWARD.  In the event that you fail to use recommended fuel, lubricant, hydraulic oil and genuine parts, your warranty rights will become void.

  • Page 126: Checking Hour Meter Frequently

    OPERATION & MAINTENANCE MANUAL SWE155F 4.1.3 Checking Hour Meter Frequently  Check the reading displayed on hour meter to see if the time has come for any necessary maintenance.  The interval listed on regular maintenance table is made based on normal situation. If your machine works under extreme condition, you may shorten this interval to carry out maintenance procedure.

  • Page 127: Checking After Inspection And Maintenance

    Service relating to the electric system is checking fan belt tension, checking damage or wear to the fan belt and checking battery fluid level.  Never install any electric elements other than those specified by SUNWARD.  When working at seashore, carefully clean the electric system to prevent corrosion.
  • Page 128 OPERATION & MAINTENANCE MANUAL SWE155F plugs, screws, or hose connections, do not stand directly in front. Loosen gradually to release the internal pressure before removing.  Always release the air in the hydraulic tank to remove the internal pressure before carrying out inspection and maintenance of the hydraulic circuit.

  • Page 129: Oil, Coolant And Filter

     The hydraulic system has been filled with SAE 10W CD oil, when the machine is shipped from factory.  Do not use any hydraulic oil other than those recommended by SUNWARD. Failure to do so may cause filter clogging.

  • Page 130: Coolant In Cooling System

     When replacing filter elements, check if any metal particles are affixed to the old filter. If any metal particles are found, contact your SUNWARD distributor.  Do not open packs of spare filters until just before they are to be used. Always use SUNWARD genuine filter elements.

  • Page 131: Fuel And Coolant Specifications

    OPERATION & MAINTENANCE MANUAL SWE155F 4.2.7 Fuel and Coolant Specifications Speci Ambient temperature Refill fied capacit capac SAE 30 SAE 10W SAE 10W-30 Engine oil pan Engin e oil SAE 15W-40 SAE 5W-30 Swing reduction gearbox SAE 30 Travel reduction...

  • Page 132: Tightening Torque Specification

    OPERATION & MAINTENANCE MANUAL SWE155F 4.3 TIGHTENING TORQUE SPECIFICATION Note  If nuts, bolts, or other parts are not tightened to the specified torque, it will cause looseness or damage to the tightened parts, and this will cause failure of the machine or problems with operation.

  • Page 133: Tightening Torque Table For Hoses

    OPERATION & MAINTENANCE MANUAL SWE155F 4.3.2 Tightening Torque Table for Hoses Tightening torque Across Normal No. of Target value Permissible range flats threads N•m kgf•m N•m kgf•m (mm) lbft lbft 9/16-18UNF 32.5 35 - 63 3.5 - 6.5 25.3 - 47.0 11/16-16UN 54.2...

  • Page 134: Maintenance Schedule

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4 MAINTENANCE SCHEDULE 4.4.1 Adding Lubrication Grease Interval (hour) Part name 1000 2000 Connecting pin roll of △ boom and platform Each pin roll Pin roll on both side of △ for work cylinder equipment Individual pin roll of △...

  • Page 135: Engine Oil

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.2 Engine Oil Interval (hours) Part name 1000 2000 △ Engine oil Check oil level ▲※ Engine grease Replace 18∽21L ▲※ Engine oil filter Replace ※ Replace engine oil after the first 50 hours, afterwards, replace once every 250 hours.

  • Page 136: Gear Oil

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.3 Gear Oil Interval (hour) Part Name 1000 2000 Check oil △※1 — Swing level reductor ▲※2 Replace 4.5∽7 L Check Oil △※1 — Travel Level reductor 2× （4∽8） L ▲※2 Replace ※ 1. Check gear oil level every 250 hours, refill if necessary.

  • Page 137: Hydraulic System

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.4 Hydraulic System Interval (hours) Part name 1000 2000 3000 △ Check hydraulic oil level —— ▲※ ▲※ Replace hydraulic oil ▲※ ▲※ Clean up oil suction filter Replace oil suction filter ▲ Clean oil return filter ▲...

  • Page 138: Fuel System

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.5 Fuel System Interval (hours) Part Name 1000 2000 △ Drain deposit in fuel tank Drain water and deposit in △ water separator ▲※ Replace fuel filter ─ △ Leakage, crack etc Check fuel hose △...

  • Page 139: Cooling System

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.7 Cooling System Interval (hours) Item Qty. 1000 2000 △ Check coolant level Check and adjust fan belt △ tension ▲ Replace coolant 23∽28L Clean up △ ※ Outside radiator and hydraulic oil Inside When replacing coolant cooler core Note：※...
  • Page 140 OPERATION & MAINTENANCE MANUAL SWE155F Check bolts and nuts for —— △※ △ tightening torque Note：The items with ※ only should be maintained at the first inspection.

  • Page 141: Hoses

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.10 Hoses...

  • Page 142: Wearing Parts Table

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.11 Wearing Parts Table Item Product no. Part name Qty. Remark Engine oil filter 750201013191 Engine oil element 730403000406 Fuel prefilter element Fuel filter 730403000566 Fuel main element Pilot filter 730403000396 Pilot element Air filter outer element...

  • Page 143: Maintenance In Special Situation

    OPERATION & MAINTENANCE MANUAL SWE155F 4.4.12 Maintenance in Special Situation Work condition Maintenance instruction  Check joints, bolts and nuts for looseness and lost, and any signs of damages and leakage.  After work, clean up mud, rock, sand adhered to machine. Check In mud, water and rain.

  • Page 144: Machine Maintenance Interval

    OPERATION & MAINTENANCE MANUAL SWE155F 4.5 MACHINE MAINTENANCE INTERVAL 4.5.1 Daily Maintenance (Every 8 Hours) Carry out following maintenance operation before starting machine daily (every 8 hours)： 4.5.1.1 Lubricating Work Equipments (1) boom cylinder foot, 2 places (2) boom foot pin ( 2 places)
  • Page 145 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.1.2 Checking Engine Oil Level Warning  The parts and oil are at high temperature after dipstick engine is stopped, and may cause serious burns. Wait until temperature goes down before starting operation.  Open engine cover, pull dipstick out. Use clean rag to remove oil trace on dipstick ...
  • Page 146 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.1.4 Checking Hydraulic Level 【Important】  Do not run engine with empty hydraulic oil tank.  With arm cylinder folded and bucket cylinder extended to their full stroke, lower bucket to ground to stop the machine.

  • Page 147: Maintenance In Initial 50 Hours Of Running-In Period

    OPERATION & MAINTENANCE MANUAL SWE155F  Loosen drain valve underneath diesel oil tank to drain water and deposit. Collect them with container. Fasten valve the moment clean diesel oil is discharged. 4.5.1.6 Checking Hoses and Pipelines for Leakage, Interference Abrasion Warning ...
  • Page 148 OPERATION & MAINTENANCE MANUAL SWE155F 4) Open bottom cover underneath engine, place container under drain valve of engine oil pan. Open drain valve to drain engine oil. Note  The engine oil might be hot, be care to handle it without being burned.
  • Page 149 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.2.2 Draining Water and Sediment in Water Separator Water separator is located in main pump chamber, open inspection door (right back door), and use support rod to secure inspection door. Loosen drain valve located under water separator to drain water and deposit.
  • Page 150 OPERATION & MAINTENANCE MANUAL SWE155F Clean up filter bracket, use clean fuel to rinse new filter and apply engine oil to contact surface. Then position it to filter bracket. Fuel primary During installation, fasten until sealing surface filter contacts with the sealing surface of filter bracket. Then fasten another half turn.
  • Page 151 OPERATION & MAINTENANCE MANUAL SWE155F Remove hydraulic oil tank cover 2. Remove oil suction filter and suspension bar unit 3. Rinse filter. To replace filter, fix new filter on suspension bar, tighten bolt at torque: 14.5 to 19.5 Nm (1.5 to 2 kgf· m).
  • Page 152 OPERATION & MAINTENANCE MANUAL SWE155F oil tank.  When installing, the bulge under cap (1) must secure spring (2), then use bolt to fasten it.

  • Page 153: If Maintenance Is Needed

    OPERATION & MAINTENANCE MANUAL SWE155F 4.5.2.7 Fan Tension Checking and Adjustment 【Important】  Excessive tension on belt will accelerate the wear-out of bearing and belt. Loose belt may cause incomplete battery charging, engine overheating, belt abnormality and premature wear-out. 11) Press at a point midway between fan belt pulley and engine belt pulley to check fan belt tension.
  • Page 154 OPERATION & MAINTENANCE MANUAL SWE155F  Minimize pressure of compressed air (<0.2 MPa, 2kgf/cm2), scatter personnel around to avoid scattered metal particles, wear personal protective articles including goggles protective glassed.  Use compressed air to clean outside filter (1), following the wrinkle direction to blow air outward.
  • Page 155 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.3.3 Checking and Fastening Track Bolts If operating machine with bolts loosened, there is hazard that the bolts will rupture. Therefore the loosened bolts should be fastened. Tightening Method  Track shoe Tighten at torque 490 ± 49 N m (50 ± 5 kgf m, 360 ±...
  • Page 156 OPERATION & MAINTENANCE MANUAL SWE155F are integral) 2) To check track to evaluate the proper tension of track. Gradually move machine forward（7-8 m（23 ft - 26 ft 3 in）. 3) Recheck track tension, if the tension is improper, re-adjust it.
  • Page 157 OPERATION & MAINTENANCE MANUAL SWE155F contact SUNWARD distributor to add cooling medium. Inspection during Idle Seasons If the air conditioning system is kept inactive for a long time, perform an operation on cooler for 3-5 minutes every month to lubricate each part of the compressor.
  • Page 158 OPERATION & MAINTENANCE MANUAL SWE155F and lock up pilot safety lever.  Set work equipment in posture as shown in right fig.  Stop engine, set pilot safety lever to LOCK position.  Remove O-ring of link to measure clearance “a”.

  • Page 159: Every 50 Hours Maintenance

    OPERATION & MAINTENANCE MANUAL SWE155F  Lower the bottom surface of the bucket on a block, check that the work equipment is in a stable condition, then set pilot safety lever to the LOCK position.  Place a metal rod (diameter is a little smaller than pin) against the back of the pin), use hammer to knock out pin (1), then remove bucket teeth (2).

  • Page 160: Every 250 Hours Maintenance

    OPERATION & MAINTENANCE MANUAL SWE155F 4.5.6 Every 250 Hours Maintenance When machine works for every 250 hours, take out maintenance as specified in this chapter and carry out 50 hours maintenance at the same time. 4.5.6.1 Checking Swing Reduction Gear Oil Level ...
  • Page 161 OPERATION & MAINTENANCE MANUAL SWE155F be very high. Wait for temperature to cool down before loosening oil fill plug of fill port 1. Pay attention that to keep body and face away from oil fill port 1 during operation.  With gear oil cooled down, gradually loosen oil fill port plug to release pressure.
  • Page 162 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.6.4 Cleaning Air Filter Element  Stop the machine at level ground, lower bucket to ground.  Shut auto-idle speed switch to run engine unloaded at low speed for 5 minutes. 【Important】  Stopping the engine improperly may damage turbocharger.

  • Page 163: Every 500 Hours Maintenance

    OPERATION & MAINTENANCE MANUAL SWE155F 4.5.7 Every 500 Hours Maintenance When the machine works for every 500 hours, take the maintenance as specified in this chapter and carry out maintenance of every 50 hours, every 100 hours and 250 hours at the same time.

  • Page 164: Every 1000 Hours Maintenance

    OPERATION & MAINTENANCE MANUAL SWE155F pollution; add 0.5kg lubricate grease to reach standard height if necessary.  Check the color of the grease, in case of white, change  Drain port locates around central swing joint under lower carriage frame.
  • Page 165 OPERATION & MAINTENANCE MANUAL SWE155F the key from starting lock, set pilot safety lever to LOCK position. Note  After completing work, the gear oil temperature might be very high, wait for temperature to cool down.  Place a container under drain pipe to collect oil.
  • Page 166 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.8.2 Change Travel reduction gearbox Oil (2× 4.7 L)  Stop the machine at level ground, set the connect line of travel reduction gearbox oil fill port 1 and drain port 3 is vertical from horizontal level.
  • Page 167 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.8.3 Changing Oil Return Filter Element Warning  After the engine is stopped, parts and oil are still in high temperature which may result in serious burns. Wait for temperature to cool down.  There is pressure inside hydraulic oil tank.
  • Page 168 OPERATION & MAINTENANCE MANUAL SWE155F 4.5.8.4 Replacing Pilot Oil Filter Warning  After engine is stopped, parts and oil are still in high temperature which may result in serious injury. Wait for temperature to cool down before stating maintenance operation.

  • Page 169: Every 2000 Hours Maintenance

    OPERATION & MAINTENANCE MANUAL SWE155F 4.5.9 Every 2000 Hours Maintenance When machine works for every 2000 hours, take the maintenance as specified in this chapter and carry out the maintenance of every 50 hours, 100 hours, 250 hours, 500 hours and 1000 hours at the same time.

  • Page 170: General Trouble Shooting

    OPERATION & MAINTENANCE MANUAL SWE155F 4.6 GENERAL TROUBLE SHOOTING Note  If the machine is kept in storage for a long time, the oil film coating on kinetic surface may be damaged. After starting the machine. It's necessary to cycle individual kinetic surface for 2 to 3 times to let it completely lubricated.
  • Page 171 OPERATION & MAINTENANCE MANUAL SWE155F Coolant level too low Improper coolant (e.g. water) Add coolant Defective thermostat Drain out, then replace with specified coolant Defective temperature Contact your designated distributor. monitoring element Contact your designated distributor. Radiator clogging Clean up radiator and front strainer...
  • Page 172 OPERATION & MAINTENANCE MANUAL SWE155F Bearing or seal wear out, damage Contact your designated distributor Turbocharger joint Excessive pressure in crank Check intake pipe to ensure its function leakage case Check, clean up Carbon clogging in oil return piping of turbocharger...
  • Page 173 OPERATION & MAINTENANCE MANUAL SWE155F Displayed Contact your designated distributor temperature Defective temperature sensor Check circuit and repair, or Contact your Defective wiring circuit coolant designated distributor Defective indicator reflect real Contact your designated distributor temperature Mode selection Problem Cause...
  • Page 174 OPERATION & MAINTENANCE MANUAL SWE155F Improper oil Use proper hydraulic oil Low hydraulic oil level Add hydraulic oil to reach specified scale level Hydraulic oil polluted Filter or drain out and refill with proper oil Radiator clogging Clean radiator and front drainer...
  • Page 175 OPERATION & MAINTENANCE MANUAL SWE155F Controlled pilot valve malfunction repair Corresponding steering valve Contact distributor One side track does and brake valve malfunction Contact distributor Central joint oil-seal damaged not move or moves Contact distributor Hydraulic motor malfunction slowly( off-track)

  • Page 176: Technical Specification

    OPERATION & MAINTENANCE MANUAL SWE155F 5 TECHNICAL SPECIFICATION...

  • Page 177: Sw155F Technical Specification

    OPERATION & MAINTENANCE MANUAL SWE155F 5.1 SW155F TECHNICAL SPECIFICATION 5.1.1 Machine Specification Machine SWE155F Operation weight 15200 kg Standard bucket capacity 0.61 m3 Track shoe width 600mm Power equipment Engine model CUMMINS QSF3.8 Stage 5 TC121 Direct injection, water-cooling, four strokes,...

  • Page 178: Dimension

    OPERATION & MAINTENANCE MANUAL SWE155F 5.1.2 Dimension Machine Model SWE155F Tumbler distance 3000 Overall length of crawler 3765 Platform ground clearance Tail swing radius 2355 Upper-carriage width 2600 Track gauge 2000 Chassis width 2600 Crawler width Chassis ground clearance Overall height of cab...

  • Page 179: Work Parameters

    OPERATION & MAINTENANCE MANUAL SWE155F 5.1.3 Work Parameters Machine Model SWE155F Max. digging height 8700 Max. dumping height 6200 Max. digging depth 5525 Max. digging depth at 8 inch level 5310 Max. vertical digging depth 5000 Max. digging reach 8370 Max.

  • Page 180: Electrical Schematic

    OPERATION & MAINTENANCE MANUAL SWE155F 5.1.4 Electrical Schematic...

  • Page 181: Electrical Components

    OPERATION & MAINTENANCE MANUAL SWE155F 5.1.5 Electrical Components Part Part Throttle servo-motor Rapidly preheating controller Safety relay Controller Preheating relay Throttle motor driver Parking motor relay Radio Starter Washer assembly Parking motor assembly Wiper controller Generator Horn Water temp sensor...

  • Page 182: Hydraulic Schematic

    OPERATION & MAINTENANCE MANUAL SWE155F 5.1.6 Hydraulic Schematic...

  • Page 183: Hydraulic Components

    OPERATION & MAINTENANCE MANUAL SWE155F 5.1.7 Hydraulic Components NAME Main valve Main pump Swing motor Right travel motor Left travel motor Central swing joint Left pilot handle Right pilot handle Double-pedal valve Pilot filter Low pressure valve unit Boom cylinder...

  • Page 184: Note For Safety

    OPERATION & MAINTENANCE MANUAL SWE155F 6 NOTE FOR SAFETY...
  • Page 185 SWE155F Note for safety If the machine is installed with attachments or optional parts without the authorization of SUNWARD, its service life will be shortened, and some machine failures or safety problems will be resulted in. Thus, SUNWARD will not take any responsibility for any accidents or damages caused by the unauthorized installation of attachments.
  • Page 186 OPERATION & MAINTENANCE MANUAL SWE155F installing the attachment. ● Don’t walk under a load lifted by the crane. Stay at a safe place away from the load.

  • Page 187: Manufacturer Information

    SWE155F 7 MANUFACTURER INFORMATION Company： SUNWARD INTELLIGENT EQUIPMENT CO., LTD. Trade mark： Add：Sunward Industrial Park, No.1335 Liangtang Road (E), Xingsha, Changsha, Hunan, China Sales hotline：400-887-6230; Service hotline：400-887-8230 Maintenance point：Our office in various provinces and cities of China Distributor information Distributor :...
  • Page 188 DAMANSARA,PJU SDN. BHD. 5,47810,PETALING JAYA SELANGOR. lo 33, biet thu 1, ban dao linh dam, Cô ng ty TNHH SUNWARD Việt vnm1@sunward.cc phuong hoanh liet, quan hoang mai, hanoi, vietnam SUNWARD EUROPE HEAVY Nijverheidspark 3, 3580 Beringen, eu@sunward.cc INDUSTRY NV Belgium JLN.

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