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Lovol FR18E-u Operation & Maintenance Manual

Crawler hydraulic excavator
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RM-SM-02
Operation&Main
tenance Manual
FR18E-u Crawler Hydraulic Excavator

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  • Page 1 RM-SM-02 Operation&Main tenance Manual FR18E-u Crawler Hydraulic Excavator...
  • Page 2 Lovol Construction Machinery Group Co., Ltd or its dealers. 2. This is to inform every customer that the excavator has to be repaired by Lovol Construction Machinery Group Co., Ltd or the company authorized by Lovol Construction Machinery Group Co., Ltd.
  • Page 3 Machinery Group Co., Ltd. 4) If the faults of equipment are caused by using non-original accessories or maintenance of company without authorization of Lovol Construction Machinery Group Co., Ltd, even within the warranty period, please forgive that our company will not undertake maintenance.
  • Page 4 If you intend to sell the excavator, this operating manual must be provided to the new owner. Lovol Construction Machinery Group Co., Ltd has right to modify the products continually and launch the best products to the market as far as possible. These improvements may be implemented at any time.
  • Page 5 Product Identification Code (PIN), mechanical environmental code and product nameplate When maintenance or order of spare parts is required, please notify the business departments authorized by Lovol Construction Machinery Group Co., Ltd CONSTRUCTION MACHINERY CO., LTD of product mode (including the vehicle No) and product identification No (PIN).
  • Page 6 Preface and table of contents For the details about the relevant operations, refer to the relevant contents of the operations. This excavator is prohibited for lifting operations. Front Seat Right Left Front, back, left and right of the excavator In this manual, the travel-motor is taken as the Driving back.
  • Page 7 Preface and table of contents Wear-in of new machine LOVOL crawler-belt hydraulic excavator has been adjusted and tested thoroughly before Ex-factory. However, the full-load operation of the excavator before the running-in period will seriously affect the performance and reduce the service life.

  • Page 8: Table Of Contents

    Preface and table of contents Table of Contents Safety ---------------------------------------------------------------------------------------------------------------------1-1 Instruction --------------------------------------------------------------------------------------------------------1-2 Captions on Warning Labels ---------------------------------------------------------------------------------- 1-2 General safety information ------------------------------------------------------------------------------------ 1-3 Unintended use --------------------------------------------------------------------------------------------------1-3 security label position ------------------------------------------------------------------------------------------ 1-4 Accumulator ----------------------------------------------------------------------------------------------------1-15 Unauthorized Modification ---------------------------------------------------------------------------------- 1-15 Safety------------------------------------------------------------------------------------------------------------- 1-16 safetyPrecautions at Work Site ------------------------------------------------------------------------------ 1-16 Operation---------------------------------------------------------------------------------------------------------1-18 Equipment------------------------------------------------------------------------------------------------------- 1-21 Maintenance----------------------------------------------------------------------------------------------------- 1-23...
  • Page 9 Preface and table of contents 100-Hour Maintenance --------------------------------------------------------------------------------------- 4-12 200-Hour Maintenance --------------------------------------------------------------------------------------- 4-12 Maintenance after every 250 operating hours or monthly ---------------------------------------------- 4-14 Maintenance after every 500 operating hours or every quarter ---------------------------------------- 4-16 1000-Hour/Six-Month Maintenance ----------------------------------------------------------------------- 4-16 2000 hours/(annual maintenance) ---------------------------------------------------------------------------4-18 exhaust of fuel system ---------------------------------------------------------------------------------------- 4-25 Caterpillar Chain Adjustment ------------------------------------------------------------------------------- 4-25 Bucket------------------------------------------------------------------------------------------------------------ 4-27...

  • Page 10: Safety

    Safety Safety Safety 1-1...

  • Page 11: Instruction

    Safety Instruction DANGER Improper use of the excavator may cause serious injury or death. Failure to observe the following safety rules in operation, maintenance, handling and transport of the equipment may cause serious injury, death or great damage to the equipment or nearby objects. Please carefully identify all potential dangers to ensure your and others’...

  • Page 12: General Safety Information

    The excavator is designed to do earth excavation by the shovel. If it is to be used for other purpose, please consult Lovol Construction Machinery Group Co., Ltd and obtain necessary accessories. Never use an excavator for hoisting. Never use an excavator for hoisting.

  • Page 13: Security Label Position

    Safety Security label position Safety 1-4...
  • Page 14 Warning labels maybe include text in other languages (non-Chinese) and additional warning information other than those described in the following sections. Please contact Lovol Construction Machinery Group Co., Ltd. dealers to ensure the correct understanding of the information in these labels.
  • Page 15 Safety . High and low speed engine mode identification Figure 1-3 operation mode identifier Figure 1-4 No lifting mark Figure 1-5 5. Add hydraulic oil mark Figure 1-6 6. Safety symbol 7 Safety 1-6...
  • Page 16 Safety Figure 1-7 7. Fuel tank safety mark Figure 1-8 8. Deviation safety sign Figure 1-9 Safety 1-7...
  • Page 17 Safety 9. Lifting mark Figure1-10 10. Safety sign Figure1-11 11. Turn sign Figure1-12 Safety 1-8...

  • Page 18: Track Warning

    Safety 12.Track warning Figure1-13 13. Track adjustment mark Track adjustment Rubber caterpillar chains Steel crawler Key (" "symbol) Guiding Wheel Guiding Wheel Drive wheel Drive wheel Figure1-14 14. Safe operation mode identification Warning In order to prevent personal injury or death caused by improper operation, when operating the machine, please confirm the running state of the machine and the operation mode shown.
  • Page 19 Safety 15. Manipulate reminder signs Figure1-16 16. Safety joystick lock identifier Figure1-17 17. Battery warning mark Figure1-18 18. Car lock reminder mark Figure1-19 Safety 1-10...
  • Page 20 Safety 19. Safety identification 11 Figure1-20 20. Label of operation manual Figure1-21 21. Operation attention mark Warning Operating direction of 1. Before operation, please be sure to pay attention to driving handle the surrounding safety, operate each handle slowly, and confirm that the operation mode recorded by the label is consistent with the machine's action.
  • Page 21 Safety 22. Warning board (attention - add hydraulic oil) IMPORTANT 1. Please extend the wheelbase to the maximum stretch state (1280mm); 2, the body parked in a horizontal place, so that the front working device in the middle of the swing position, so that the bucket bar and bucket in the maximum pull up position, and so that the bucket...
  • Page 22 Safety 26. Handling and transportation mark Warning When loading and unloading onto a truck, use a loading and unloading platform. Please strictly observe the following when using the loading and unloading board. 1. Loading and unloading must be carried out according to the position shown in the picture on the left.
  • Page 23 Safety 30. Safety identification 4 Figure1-31 31. Fan reminder mark Figure1-32 32. Safety identification 8 Figure1-33 Safety 1-14...

  • Page 24: Accumulator

    Lovol Construction Machinery Group Co., Ltd. Unauthorized Modification Any modification of the equipment without authorization and written approval of Lovol Construction Machinery Group Co., Ltd, may cause safety problems. The equipment owner will be solely responsible to the...

  • Page 25: Safety

    Lovol Construction Machinery Group Co., Ltd， Lovol Construction Machinery Group Co., Ltd can not anticipate, demonstrate or test all working mechanism that customer may install. Therefore, please consult Lovol Construction Machinery Group Co., Ltd to obtain authorization and ensure the compatibility between the equipment and the working mechanism.
  • Page 26 Safety Note: Note: If the excavator works near electric wires (aboveground or underground), you should contact the power company to discuss the best solution. Approval for Earth Excavation Earth excavation may damage natural gas pipelines, water pipelines, tunnels and other underground structures.
  • Page 27 Safety done on slopes, reduce turning radius and speed or risk turning over. When the excavator is working on a slope, you can rotate the turntable only when it is in static position. Watch out to avoid any dangerous conditions. For examples, do not fully extend the shovel towards the foot of a slope;...

  • Page 28: Operation

    Safety Operation Always Operate at Seat Never operate the machine outside the window. Do not operate the machine unless you are in a designated position. Never operate the machine when the operator is outside the cabin. Always operate the machine at seat. Always concentrate on the work. The operator should not leave the seat when he needs to watch backward or sideward.
  • Page 29 Safety Never Use Ethyl Ether to Assist Start Use glow plug to preheat in cold start. Heating element may cause explosion of ethyl ether or other liquid. Figure1-38 Shutdown & Movement Do not get on/off a running machine. Keep the cabin clean without dirt and oil.
  • Page 30 Safety non-concentrated and lose capability of judgment and control so as to cause serious accident. Ensure good ventilation before you start the engine in a closed area. open doors and Windows should be carefully kept open. Exhaust gas may enter or be blown in by the wind, posing a hazard.
  • Page 31 Safety frame of the auxiliary charger. Please refer to the operation procedures and instructions in this manual. To connect a battery, connect the positive terminal at first. To disconnect a battery, disconnect the negative terminal at first. Auxiliary wires and charging wires which are connected to the metal frame should be keep away from the batteries.
  • Page 32 Safety Warning Do not continuously run the equipment for more than 2km. Use a trailer to move the equipment for a long way more than 2km. If you have to run the equipment for more than 2km, it is recommended to alternatively run for 10 minutes and stop for 5 minutes.

  • Page 33: Equipment

    When you use a cracker to crack something, a protector should be installed on the front window. If there is a danger that something may impact the cabin, please contact the local offices of Lovol Construction Machinery Group Co., Ltd to obtain suggestion on safety protection. Ensure all workers at the work site stay away from the excavator and are not subject to potential danger.
  • Page 34 Safety Alarm If the excavator is equipped with movement audible alarm or rotation beacon alarm, inspect the alarm(s) everyday. When the excavator is moving, the audible alarm beeps. When the excavator is rotating, the beacon alarm flashes. Figure1-46 Always Buckle Safety Belt The operator should be at the seat with safety belt properly buckled when the engine is running.
  • Page 35 Safety Do not put tool and other foreign matters on the console and cabin’s floor. Goggles and Overalls Safety goggles, helmets, safety shoes and gloves are required at the site. Wear goggles, helmet, safety shoes and gloves at the work site. Use tools of adequate strength to repair the equipment to avoid the damage of tools, injury due to slippage, or unacceptable mounting strength.

  • Page 36: Maintenance

    Safety To remove a battery, disconnect the negative terminal at first. To install a battery, connect the positive terminal at first. Use Mobile Lights with Low Heat The hot surface of lights may heat fuel oil and battery to produce explosive gases. Service Place Warning Signs When Repair and Maintenance is in Progress...
  • Page 37 Safety Do not Inspect Radiator and Oil Tank until They Cool Down Shut down the engine and allow it to cool down before you can maintain the radiator and oil tank. Vents should be provided beside airway control lever and filler’s cap to release air pressure. Gradually loosen the airway control lever and the cap before you remove the cover.

  • Page 38: Handling And Transport

    Safety Engine oil is a pollutant which should be disposed with approved tools. Never discharge petroleum-based substance to the ground, nor contain it in normal container, nor discharge it into urban sewer system or rural irrigation system. Refer to other requirements in provincial and local regulations. Warning on Tension of Caterpillar Chain Never remove the grease nozzle cap on the tension springs.

  • Page 39: Operation Control

    Operation control Operation Control Operation control 2-1...
  • Page 40 Operation control Operation Control” includes: Operation Control..............................1 Component Positions............................3 Use of safety devices............................4 Use of switches, meters and indicator lights....................6 Open, close, install and remove all parts...................... 10 Use of operating handle..........................13 Component positions, switches, instruments and valves are described with drawings or pictures. Indicating lamps are provided on the instrument panel to show the working condition of the equipment.

  • Page 41: Component Positions

    Operation control Component Positions Head rod Arm cylinder Boom Bucket cylinder Bridge assembly Connecting rod Cab seat Bucket Boom cylinder Lateral frame Drive wheel Blade Cylinder Bearing Wheel Blade Guide wheel Picture 2 Operation control 2-3...

  • Page 42: Use Of Safety Devices

    Operation control Use of safety devices Rotary locking pin This is the part that holds the rotary frame in place. Remove If the slewing lock pin is lifted and hung in the "release" position, the slewing lock can be lock removed.
  • Page 43 Operation control Buckle and Release Safety Belt Warning Warning Safety belts are for the safety of the operator and should be fastened at all times during work. Before work, adjust the seat to the desired position for easy and comfortable operation and buckle the safety belt.

  • Page 44: Use Of Switches, Meters And Indicator Lights

    Operation control Use of switches, meters and indicator lights Horn switch Start Switch The light switch The simple instrument Operation control 2-6...
  • Page 45 Operation control Start Switch Start Switch  The key can be inserted at the STOP location.  If you turn one gear to the "HEAT" position from the "STOP" position to the left and don't let go of the "HEAT" position, conduct preheating and electric heating display.
  • Page 46 Operation control Simple detection device  Water temperature warning lamp When the water temperature is ≥99℃, the alarm is forecasted, the buzzer goes off for 1 second three times, and the LED light goes off for 1 second and continues to blink; When the water temperature is ≥103℃, the alarm will go off for 1 second, and the LED light will be on for a long time.
  • Page 47 Operation control Note: * Be sure to stop the engine while refueling. * Never go near a fire. ▶ If you are negligent …… It could cause a fire. IMPORTANT  Do not carry out routine inspection only through simple detection device, but carry out actual inspection. (Refer to the "schedule of routine inspections"...

  • Page 48: Open, Close, Install And Remove All Parts

    Operation control Open, close, install and remove all parts Seat adjustment Forward/Rever Lock se lever Note: Handle lock lever * When starting the engine and putting the seat forward, it may touch the driving handle and cause Remove the car body to move. Be sure to turn off the engine and place the handle lock lever in a "locked"...
  • Page 49 Operation control  When closing, make sure the left hood is locked, Remove Rear hood then push back the hood until you hear a click. When locking, turn the starting key to the left so Lock that it is in a horizontal direction. Starting the key IMPORTANT Press the button to open...
  • Page 50 Operation control Operation and maintenance manual storage Lock Remove Start Switch Fuel tank cap Operation and maintenance manual storage  There is a storage place for the operation and maintenance manual in front of the seat. After reading, please put it back to the storage place. Operation control 2-12...

  • Page 51: Use Of Operating Handle

    Operation control Use of operating handle Driving handle (left) Driving handle (right) Operating handle of right Operating handle of working device left operating device Wheel base extension/bulldozing handle Handle lock lever Swing operating pedal Driving accelerator pedal The throttle lever Accessory unit operating pedal Changeover handle for wheel...
  • Page 52 Operation control The throttle lever In the driver's seat  Pulling the throttle handle forward (on the high Low speed speed side) increases engine speed.  When turning off the engine, push the throttle handle to the bottom of the low speed and place High speed The throttle lever the starting key in the "STOP"...
  • Page 53 Operation control Operation Operating handle of left Operation Operating handle of right direction operating device direction working device Stretch arm Boom decline Arm pull up Boom raise Left rotation Bucket up Right rotation Tipping bucket Note: * Please do not rotate in the inclined area, or it will risk rollover.
  • Page 54 Operation control 4. Swing operating pedal Note: * When the swing operation is not carried out, please reverse the swing operation pedal to the front and lock ▶ If you are negligent …… It may cause the machine to swing in the opposite direction due to operation error, thus causing injury accident.
  • Page 55 Operation control 6. Handle for both wheel base extension and earth pushing operation  The operation of bulldozing is as follows: Note: * Please switch the handle of the wheel-base expansion/earth-moving operation switch into place when switching the wheel-base expansion/earth-moving operation. ▶...
  • Page 56 Operation control Use by shrinking the wheelbase only when passing through flat, narrow Spaces C. Be sure to extend the wheelbase to the maximum width when driving in other places, carrying out digging operations, pushing and crushing operations. Otherwise, driving with a narrow wheelbase may cause the car to roll over.
  • Page 57 Operation control Driving accelerator pedal 7. Driving accelerator pedal  Press down on the driving accelerator pedal, which increases the driving speed. At this time the indicator light is on.  Remove the foot from the pedal and the acceleration is released, returning to the normal driving speed.

  • Page 58: Operation

    Operation Operation Operation 3-1...

  • Page 59: New Machine Operation Instructions

    Operation New machine operation instructions All LOVOL excavators are inspected and adjusted before delivery, but the following steps must be followed during the initial run-in process, otherwise the equipment will be damaged and performance will be reduced. Load Time First 50 hours...

  • Page 60: Check Before Starting

    Operation Check before starting Daily check Grease, parts to be replaced or Item Quantity replaced Problem areas from last use — — Check and replenish cooling water — (1) Fuel inspection and Choose suitable diesel fuel according replenishment to local temperature amount (2) Check and replenish oil Engine oil (CF grade)
  • Page 61 Operation grease injection of telescopic part of crawler frame (wheelbase telescopic type)  Push the wheel base forward with the handle to maximize the extension of the The biggest stretch out The biggest retract wheel base. 1280mm 990mm  Remove the dirt from the expansion part and apply grease evenly around the square pipe.
  • Page 62 Operation Fuel inspection and replenishment Note: * Be sure to stop the engine while refueling. * Please never go near fireworks. ▶ If you are negligent …… Could cause a fire.  Please check with oil gauge. The oil gauge operates when the starting key is in the "RUN" position. ...
  • Page 63 Operation IMPORTANT  Use an oil with the right viscosity according to the temperature. (Please refer to "recommended lubricating oils" section)  The correct amount of oil cannot be refueling measured because there is still oil in all parts after the engine has just stopped. Place the body in a horizontal position and wait at least 5 minutes before checking.
  • Page 64 Operation Inspection and cleaning of water and sediment in oil-water separator  The water and dirt in the fuel oil will precipitate in the Water-oil separator oil-water separator. When water and dirt accumulate The handle too much, please put the handle of oil and water separator in the "CLOSE"...
  • Page 65 Operation Battery, wiring, inspection and cleaning around the engine Note:  If the wiring harness and battery (+) pole wires are damaged, it will cause a short circuit, so be sure to check  If stolen goods or fuel is attached to batteries, wiring and the muffler or engine, it may cause a fire, so check every day before operating.
  • Page 66 Operation Note:  When charging the battery, please be sure to remove the battery from the main engine, charging in a well-ventilated place.  When removing the wire from the battery, remove it from the (-) pole side, and install it from the (+) pole side.
  • Page 67 Operation  Note when charging battery  Appearance inspection of battery before replenishment: 1. Battery shell broken or acid leakage of the battery can not replenish electricity, find out the cause of replacement of the battery. 2. The battery with broken end column cannot be replenished. Replace the battery after finding out the reason. 3.
  • Page 68 Operation 6. In addition, after starting the engine according to the above method and operating, please make correct supplementary charging according to the instructions of the charger as soon as possible. If you do not carry out supplementary charging, it will seriously shorten the service life of the battery, please pay attention. ...

  • Page 69: Engine Starting

    Operation Engine starting Warning  Be sure to sit in the driver's seat and make sure all operating handles and pedals are in the middle position before starting the engine.  If you are careless, the engine will move at the same time you start the engine, making it impossible to drive properly, which is dangerous.

  • Page 70: Check And Confirm After Startup

    Operation Check and confirm after starting Warm-up operation  After starting, please warm up without load to make the idle running reach a steady state (about 5 minutes).  If the operating oil temperature is low, the operating handle of the operating device will become less responsive, so be sure to warm up the machine.

  • Page 71: Engine Stop

    Operation Engine stop The key of parking Warning When the engine is stopped, do not leave the working device and shovel in the suspended state. Otherwise, the device will slowly fall down due to its weight, resulting in an accident. ...

  • Page 72: Start, Drive

    Operation Start, drive Warning Position the rotary locking pin in the "lock" * Before starting, please confirm the safety position to lock the "swivel rack" and "crawler condition of the front, rear and right sides. rack". * If the shovel and front idler are placed behind Press the lock lever of the operating handle to the the handle, the vehicle will drive in the "release"...
  • Page 73 Operation Handle for wheel base expansion and earth pushing Rising 4. Slowly push the handle forward (forward) or backward (backward) and the machine will move. If you press down the driving accelerator pedal while operating the driving handle, the speed will increase.

  • Page 74: Steering

    Operation Warning The excavator must stop for 15 minutes to walk on level ground for 2 hours. When walking backwards on a 15° slope or level ground, stop for 15 minutes when walking continuously for 1 hour. When walking backwards at 15° slope, keep walking for 30 minutes and stop for 15 minutes Steering Warning ...
  • Page 75 Operation 3. Cyclotron steering Cyclotron Cyclotron steering steering neutral neutral neutral neutral  If you operate the left (right) driving handle forward and the right (left) driving handle backward, turn right (left). Up and down the ramp Warning  When driving on the inclined section, make sure that the rotary frame and the track frame are parallel to each other, and fix the rotary frame with the rotary locking pin.

  • Page 76: Parking

    Operation Parking Warning  It's dangerous to park cars on sloping lots. Therefore, do not park in sloping areas.  If it is necessary to park the vehicle in the inclined section, please insert the bucket into the ground and put each handle in a neutral position before braking.
  • Page 77 Operation Wheel base expansion operation Warning  During the wheelbase expansion and contraction operation, use it in the maximum extension (1280mm) and maximum retraction (990mm) states. If the telescopic operation is stopped halfway, the telescopic foot will not be fixed and the rotating frame will shake. ...
  • Page 78 Operation Plow pin Blade Extended board Chassis width 1280mm Plow pin Chassis width 990mm Extension plate for shovel No work and precautions Do not use rotating force to work. (Use bucket to push horizontally, etc.) It is forbidden to use the falling gravity of the It is forbidden to use the falling gravity of the bucket for operation.
  • Page 79 Operation 6. Pay attention to the shovels. When digging deep in front of the bulldozer, be careful not to hit the bulldozer with the moving arm. 4. Use of driving power is prohibited. (Insert bucket into ground for driving, etc.) 7.
  • Page 80 Operation 8. Watch out for shovels bumping! Do not knock the shovel against the rock. Failure to do so will cause premature damage to shovels and cylinders. IMPORTANT  After the end of the operation, please be sure to remove the soil and wash it clean, and then add grease to the fulcrum.

  • Page 81: Inspection, Maintenance And Adjustment

    Inspection, Maintenance and Adjustment Inspection, Maintenance and Adjustment Check, maintain and adjust 4-1...

  • Page 82: Serial No

    Inspection, Maintenance and Adjustment It is necessary to perform maintenance and inspection so as to keep the equipment in normal working condition. Interval and procedure of inspection of the system and parts are described as below. Note: Procedure and interval of maintenance and inspection are described as below. The maintenance interval may be shortened depending on the actual condition.
  • Page 83 Inspection, Maintenance and Adjustment Do’s and don’ts when washing your car Note: If the use of high-pressure car washing machine During refueling and maintenance, improper, will cause injuries, or damage, damage to Place the unit in a flat and spacious place; the machine, make the machine malfunction.
  • Page 84 Inspection, Maintenance and Adjustment  Periodic checklist Date Hour table shows the time Quan Refer to 5 0 0 5 5 0 6 0 0 6 5 0 7 0 0 7 5 8 0 0 Since then Item tity 5 0 1 0 0 1 5 0 2 0 0 2 5 0 3 0 0 3 5 0 4 0 0 4 5 0 page Filling...
  • Page 85 To avoid the risk of shortening engine life and cylinder burning, please use the oil specified by LOVOL and the original oil filter specified by LOVOL and follow the specified replacement time.
  • Page 86 Inspection, Maintenance and Adjustment Recommendation of Lubricant Container Liquid Ambient temperature Type 122ºF 50℃ CF-4 10W-30 Engine oil CF-4 15W-40 sump Engine oil CF-4 5W -30 Guide SAE 30 wheel/heavy wheel Hydraulic Hydraulic LHM-46 system Cool system Antifreeze Tensioning device Apply 2# extreme pressure lithium grease grease...
  • Page 87 Inspection, Maintenance and Adjustment  IMPORTANT Do not use unsold lubricants, and do not use products that have not been approved by Lovol Construction Machinery Group Co., Ltd Factory Hydraulic oil Engine oil Grease Gear oil Callex Callex HD 32...

  • Page 88: Daily Maintenance

    Inspection, Maintenance and Adjustment Daily maintenance 3. Grease injection of movable arm root pin 1. Grease injection of bucket pin Grease gun nozzle Moving arm root pin Grease gun nozzle 4. Grease injection of movable arm cylinder boss Add grease to the grease gun nozzle shown in Movable arm the arrow.
  • Page 89 Inspection, Maintenance and Adjustment Check, maintain and adjust 4-9...

  • Page 90: Exhaust Of Fuel System

    Inspection, Maintenance and Adjustment Maintain of every 50 hours  Grease injection on the tooth root surface of rotary bearing Drainage of fuel tank 1. Please inject grease from grease gun nozzle 1. Fuel tank marked with arrow. Remove drain plug from bottom of fuel tank from 2.
  • Page 91 Inspection, Maintenance and Adjustment Maintenance of every 100 hours Maintenance of every 200 hours Maintenance of every 50 hours should also be done Maintenance of every 50 or 100 hours of at the same time maintenance should also be done at the same time ...
  • Page 92 Inspection, Maintenance and Adjustment   Clean and check air filter element Grease injection of ball parts of rotary bearings 1. Add grease from grease gun nozzle marked with Note: arrow. (Central grease gun nozzle) 2. Please turn it once every 90 degrees and add ...
  • Page 93 Inspection, Maintenance and Adjustment 5. Set the engine idling, then stop the engine, open Maintenance of every 250 hours the front cover, and after 5 minutes confirm whether the specified amount of oil has been Maintenance of every 50 hours should also be done added with the oil label.
  • Page 94 Inspection, Maintenance and Adjustment  dust or dust. Replacement of working oil return oil filter  After replacing the filter element, please (250 hours for the first time, 500 hours after exhaust the air. (Please refer to "exhaust of fuel the second time) system"...
  • Page 95 Inspection, Maintenance and Adjustment Maintenance of every 500 hours Maintenance of every 1000 hours Maintenance of every 50, 100, 250 hours should also Maintenance of every 50, 100, 200, 250, 500 hours be done at the same time should also be done at the same time ...
  • Page 96 Inspection, Maintenance and Adjustment 4. Remove the cover from the working oil tank. 5. Remove the suction filter with a wrench and replace it with a new part.  Replacement of filter for hydraulic pilot circuit Dust and dirt accumulated in the depression of Cover the filter.
  • Page 97 Inspection, Maintenance and Adjustment Maintenance of every 1000 hours or Maintenance of every year every year  Check electrical wiring and use of fuse  Air filter element replacement Remove the clip, take out the external filter element and the internal filter element, replace them Note: with new ones and reinstall them.
  • Page 98 Inspection, Maintenance and Adjustment Maintenance of every 2 years  Replacement of cooling water (when using Radiator cover long-acting coolant) Note:  If the radiator cover is opened during operation or just after the operation stops, sometimes steam or hot water may erupt, causing burns. Therefore, please open the radiator cover after the radiator cools down.
  • Page 99 Inspection, Maintenance and Adjustment  Replacement of fuse 1. Please put the starting key in the "STOP" position. 2. Open the rear cover and remove the fuse box cover. Antifreeze 3. Use a fuse holder to replace the fuse with the same capacity fuse.
  • Page 100 Inspection, Maintenance and Adjustment Automatically from Exhaust from the fuel system Working light Horn 1. Please refill the fuel tank. B when the rubber Lock lever track is tightened Alternator, fuel pump, 2. Please insert the starting key into the starting instrument switch and turn to the "RUN"...

  • Page 101: Track Adjustment

    Inspection, Maintenance and Adjustment Track adjustment  When tightening the rubber track 1. Insert the grease gun into the nozzle of the grease gun and fill it with grease. Note:  Because the oil cylinder is high pressure, Sprocket side Idler side therefore, if too much or too fast to loosen the The seam is marked...
  • Page 102 Inspection, Maintenance and Adjustment please adjust it again.  In the first 30 hours after use, please confirm the tensioning of the track and adjust it again. Confirm the tensioning and make necessary adjustments every 50 hours.  If the track is too tight, it will: Turn the tracks ...

  • Page 103: Replacement Of Bucket

    Inspection, Maintenance and Adjustment Replacement of bucket Note: Please follow the following procedures for bucket replacement.  Please wear safety helmet, protective glasses IMPORTANT and other protective equipment when changing  Please see that the removed pin is free from dirt bucket.
  • Page 104 Inspection, Maintenance and Adjustment Bucket teeth, side teeth replacement 1. Use a punch against the lock pin and hammer out the lock pin first. Note: 2. Knock the worn bucket teeth with a hammer and  Please be sure to use protective glasses and take out the bucket teeth from the joint.
  • Page 105 Inspection, Maintenance and Adjustment Maintenance during long-term storage  When not in use for a long time, please use the following methods: 1. After washing and cleaning all parts, please keep the machine in a dry room, not outside. If you have to put it outside, choose a flat place and place the machine on the wood, then cover it with a cloth.
  • Page 106 Inspection, Maintenance and Adjustment the use of antifreeze does not need to add detergent.  Cooling water Use during cold seasons See "cooling water replacement".  Low temperature precautions 1. Please replace oil and hydraulic oil with oil of specified viscosity. 2.

  • Page 107: Regular Replacement Of Important Parts

    Inspection, Maintenance and Adjustment Regular replacement of important parts In order to ensure the safety of driving and operation at all times, please carry out regular maintenance. In order to further improve the safety, especially for the following important parts related to safety and fire, the dealer or the maintenance factory designated by the company should be entrusted to carry out regular replacement.

  • Page 108: Transportation

    Transportation Transportation Transportation 5-1...

  • Page 109: Loading And Transporting

    Transportation Loading and transporting Note: Please choose the right weight and size of the  truck, do not overload. Note: If you are negligent... If the truck is loaded under the extended bucket  The driver's seat of the truck will float upward bar, it will endanger the driver or the people during loading, causing transportation Security around because of the reaction force produced...
  • Page 110 Transportation Take it off the truck 1. Make the working device face the moving direction, and move forward to the loading and unloading board when the bucket bar is vertical or slightly pulled up from the surface of the truck box. More than 4 * H 5.

  • Page 111: Body Traction Method

    Transportation Supplement Lifting of airframe Please pay attention to the center of gravity  When lifting the airframe, please follow the position when lifting to fully maintain balance. Do not lift in the state of swing of the moving  Note: arm or rotation of the upper rotating body.

  • Page 112: Troubleshooting

    Troubleshooting Troubleshooting Troubleshooting 6-1...

  • Page 113: Engine

    Troubleshooting If you find any problem, you should take action timely and adjust or repair the hydraulic or electrical system. Contact local authorized dealer of Lovol Construction Machinery Group Co., Ltd. Engine Trouble Cause Measures (1) Check fuel tank to remove precipitate impurities or Fuel does not flow.

  • Page 114: Control Valve

    Troubleshooting Control Valve Trouble Cause Measures Crack on valve core Replace valve body Under power Disassemble, clean or replace Crack on overflow valve valve Overheat of hydraulic oil due to Remove foreign matter foreign matter Valve core chocked Contaminated hydraulic oil Replace oil, clean lines Deformed valve body due to over Replace valve body...

  • Page 115: Overflow Valve

    Troubleshooting Overflow Valve Trouble Cause Measures Under pressure Valve core is always open Disassemble and clean valve Unstable pressure Damaged sealing ring for pilot Replace sealing ring valve core Stuck valve core in pilot valve Disassemble and clean valve Sudden rise/fall of pressure Abrasion caused by foreign matter;...

  • Page 116: Hydraulic Motor

    Troubleshooting Hydraulic Motor Trouble Cause Measures Hydraulic motor can not run Low hydraulic oil level Refill oil Bad hydraulic pump Replace pump Oil leakage from hydraulic motor Replace motor Overload of output shaft Relieve overload Low viscosity of hydraulic oil Replace sealing ring Hydraulic motor can not rotate in Bad overflow valve for control...

  • Page 117: Hydraulic Pump

    Troubleshooting Hydraulic Pump Trouble Cause Measures Unsmooth oil supply Low hydraulic oil level Refill oil Under pressure Oil leakage from hydraulic pump Replace pump Air trapped in pump Refill oil or inspect oil hose Low pressure in main overflow Adjust pressure valve Air trapped in system due to Add oil and tighten nozzle...

  • Page 118: Driving

    Troubleshooting Driving Trouble Cause Measures Underpowered driving Main overflow valve low pressure Adjust pressure Bad governor valve Replace governor valve Low performance of hydraulic Replace hydraulic motor motor Damaged sealing ring for central Replace the sealing ring coupler Bad hydraulic pump Replace hydraulic pump Oil leakage from control valve Replace valve core...

  • Page 119: Technical Specifications

    Technical specifications Technical specifications Technical specifications 7-1...
  • Page 120 Technical specifications Fragile parts list The parts in brackets should also be replaced at the same time Replacement Part number Part Name A single dose period Q50105 Locking pin RH31-93A010005A0 5 a fuse RH31-93A010010A0 10 a fuse RH31-93A010015A0 15 A fuse 50A slow finance insurance 1E8720-83120 Tianjin Jinyu...

  • Page 121: Guide For Accessories

    Technical specifications Guide for accessories Guide for working-device The following table lists accessory combinations that can be fitted to standard and long bucket bars ○： You can use △： Use as light duty as possible ×： Out-of-service Note: ● When the excavator is installed with the long bucket-arm and if the bucket retract to the direction of the excavator, the bucket-arm may have the interference to the excavator.

  • Page 122: Electric Schematic Diagram

    Technical specifications Electric schematic diagram Start Switch Pre-heating Monitoring Shutdown instrument Put through Instrument power Start Water Water temperature Glow plug temperature sensor gauge And voltmeter Fuel oil level gauge Fuel level Sensor and hour meter (Speed display) Holder for cigarette Engine oil pressure Oil pressure report lighter...

  • Page 123: Hydraulic Schematic Diagram

    Technical specifications Hydraulic schematic diagram Chassis telescopic Boom side swing cylinder Hammer 破碎锤 cylinder Bucket Boom Left travel motor Right travel motor Head rod 铲斗 斗杆 动臂 Blade 底架伸缩油缸 动臂侧摆油缸 左行走马达 Swing motor 推土铲 右行走马达 回转马达 Left handle Right Right Left Right Rear...

  • Page 124: Main Technical Parameters

    Technical specifications Main technical parameters The project name Unit The numerical Product model FR18U Tailless, side shift, chassis Excavator type expansion Machine working quality 1740 Standard bucket Backhoe volume Model 3TNV70-PFN Rated power 11.5 Engine Rated speed r/min 2400 Maximum torque/speed N•m / 56.4-58.5/1800...
  • Page 125 Technical specifications The project name Unit The numerical system The light bulb Fuse 1443 3540 2443 1230 1077 1911 2311 3849 3909 Technical specifications 7-7...
  • Page 126 Technical specifications 57° 61° 2347 1121 1077 3575 1280 Technical specifications 7-8...
  • Page 127 RM-SM-02...

  • Page 128: Accessories

    Accessory Accessories Accessory 8-1...

  • Page 129: Hydraulic Crusher

     The model of the excavator that can install the accessories is different. For selection of the excavator and accessories, please contact the LOVOL dealer.  If a breaker is used, a protective device provided by LOVOL must be installed. Hydraulic crusher Main application ●...
  • Page 130 Accessory 3. Crowbar crushing operation is prohibited Matters needing attention when If the way to break the rock by using the hammer lever, it will lead to bolt, hammer and other using the crushing hammer damage. 1. Prohibited work posture If the crushing operation is carried out under the condition of lifting more than 5cm in front of the machine, when the rock is broken, the machine...
  • Page 131 Accessory 6. Do not conduct crushing operation when the oil cylinder is at the end of the journey If the oil cylinder of the machine is at the end of the journey (the state when the oil cylinder is at the maximum extension position or the maximum contraction position), the oil cylinder or various parts may be damaged.
  • Page 132 Accessory Precaution 1： Precaution 4： Please break the hammer head vertically on the Please make sure the ground under your feet is striking surface. In addition, in the crushing firm before proceeding. process should pay attention to always apply thrust, do not empty hit.

  • Page 133: Positions To Fill The Grease Into The Hydraulic Crusher

    Accessory Positions to fill the grease into the hydraulic crusher Fill the grease into the hydraulic crusher at the correct position Note: If the grease is filled into the hydraulic crusher at the incorrect position, the Right excessive grease will be filled into the Apply grease with the chisel is crusher.
  • Page 134 Accessory Rubber track installation The following matters should be noted when replacing rubber tracks for machines with standard steel tracks See inspection, maintenance and adjustment for the tightening degree of rubber track; The mudguard is equipped with steel crawler, and the left and right crawler beam mudguard should be removed when replacing the rubber crawler (4 pieces in total).

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