Sdlg 936 инструкция по эксплуатации

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Front End Loaders
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Compact Loader

• Page 1
  Operation & Maintenance Manual LG936 WHEEL LOADER WARNING Operators and maintenance persons should read this manual carefully and understand these instructions before use to avoid serious accident. For the convenience of relevant people using this manual, it should be kept properly.
• Page 2
  Operation & Maintenance Manual──LG936 Wheel Loader LG936 WHEEL LOADER Operation & Maintenance Manual 880×1230 mm 18pieces 3rd Edition and 1st Print in 2008. 4 SHANDONG LINGONG CONSTRUCTION MACHINERY CO.，LTD Address: Linyi Economic Development Zone, 276023 Tel: (+86) 0539－8785688 Fax: (+86) 0539-8785698 8785671 Services Tel：8008607999 4006587999…
• Page 3
  Operation & Maintenance Manual──LG936 Wheel Loader Operation & Maintenance Manual Concise Guide All reasonable steps have been taken to ensure that this publication is correct and complete, but should any user be in doubt about any detail, clarification may be sought from Shandong Lingong construction machinery Co.
• Page 4
  Operation & Maintenance Manual──LG936 Wheel Loader Feedback At Shandong Lingong Construction Machinery Co. Ltd, we are continually striving to improve the standards of our manuals and would welcome customer feedback. If you would like to comment on any aspect of this manual or our products in general, please send email to: TechCenter@sdlg.cn…

• Page 5: Table Of Contents

  Operation & Maintenance Manual──LG936 Wheel Loader Table of Contents PREFACE ……………………………VIII SAFETY INFORMATION ……………………….X CHAPTER I SAFETY …………………………1 1 SAFETY LABELS POSITIONS AND THE CONTENTS…………….1 1.1 Safety Label and Its Position……………………1 1.2 The Contents of Safety Label(Domestic Type) ………………2 1.3 The Contents of Safety Label (Export Type)……………….

• Page 6
  Operation & Maintenance Manual──LG936 Wheel Loader 8.10 Welding Repair………………………. 31 8.11 Examine and Repair of Coolant System………………..32 8.12 Examine and Repair of Hydraulic System ………………32 8.13 Anti-fire …………………………. 33 8.14 Air Storage Tank……………………..34 8.15 Electric System………………………. 34 8.16 Maintenance of Storage Battery ………………….
• Page 7
  Operation & Maintenance Manual──LG936 Wheel Loader 1.12 Fire Prevention ………………………. 93 1.13 Sealing Part ……………………….93 1.14 Checking Frame ……………………..93 1.15 Precautions When Washing Machine ………………..93 1.16 Checking in Raining and Snowing Circumstances …………….93 1.17 Dusty Worksite ………………………. 94 1.18 Avoid Using Mixed Oil ……………………

• Page 8: Preface

  Operation & Maintenance Manual──LG936 Wheel Loader PREFACE Thank you for purchasing the LG936 wheel loader. This manual is a guideline for users to use and maintain this machine properly. Keep this manual in cab and have all relevant people read it at any moment. If this manual has been lost or has become damaged and cannot be read, contact with our company or our dealers.

• Page 9
  Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING The wrong operation, maintenance and repair could results in hurt and death. Operator should read this manual carefully before operation or maintenance. Never involve in operation and maintenance and repair of the machine before reading and understanding this manual.

• Page 10: Safety Information

  Operation & Maintenance Manual──LG936 Wheel Loader SAFETY INFORMATION The operator should know and obey the safety criterion described in national and local laws. If there is no such criterion, please follow the rules described in this manual. Most accidents are caused by the failure to follow fundamental safety regulations for the operation and maintenance of machines.

• Page 11: Chapter I Safety

  Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER I SAFETY △ WARNING Read and follow all safety precautions. Failure to do may result in serious injury or death. 1 SAFETY LABELS POSITIONS AND THE CONTENTS 1.1 Safety Label and Its Position The positions of safety label of this machine please see the figure above.

• Page 12: The Contents Of Safety Label(Domestic Type)

  Operation & Maintenance Manual──LG936 Wheel Loader 1.2 The Contents of Safety Label(Domestic Type) 1 Antifreeze fluid（if sticked） Warning of radiator cover Located on the mouse of radiator of Located on the cover of radiator of engine hood engine hood 3 Warning of safety distance…

• Page 13
  Operation & Maintenance Manual──LG936 Wheel Loader 8 Label of Hydraulic oil tank 10 Notice for the door of operator cab Located on the top of the Located on the inner side of fuel tank operator cab door 9 Warning of Steering…
• Page 14
  Operation & Maintenance Manual──LG936 Wheel Loader 14 Danger of actuating arm Located on the two sides of actuating arm Figure 1-2 Figure of safety label position (Export Type)

• Page 15: The Contents Of Safety Label (Export Type)

  Operation & Maintenance Manual──LG936 Wheel Loader 1.3 The Contents of Safety Label (Export Type) 1 Limit position of lift arm 2 Danger of actuating arm (Lock the lift arm cylinder before Located on the two sides entering dangerous areas.) of actuating arm…

• Page 16
  Operation & Maintenance Manual──LG936 Wheel Loader 7 Danger of high voltage Located on the left back pole inner operator cab 8 Antifreeze fluid（if sticked） 10 Warning of machine reversing Located on the left operator cab Located on the two sides of engine hood…
• Page 17
  Operation & Maintenance Manual──LG936 Wheel Loader 13 Warning of high temperature 14 Hydraulic oil tank Located on vent-pipe of engine Located hood hydraulic oil tank 15 Notice for platform frame 16 Danger or death during Steering Located on right and left sides of…

• Page 18: Safety Rules

  Operation & Maintenance Manual──LG936 Wheel Loader 2 SAFETY RULES 2.1 Safety Rules Only trained and authorized people can be permitted to operate and maintain the machine. Follow all safety rules, precautions and instructions when operating and maintaining the machine. Adjust yourself, never operate machine when you feel bad.

• Page 19: Protective Items

  Operation & Maintenance Manual──LG936 Wheel Loader 2.3 Protective Items Wear protective items, such as hard helmet, safety glasses, shoes, mask reflector waistcoat or veil, earplug, heavy gloves when operating or maintaining the machine. Make sure to ware hard helmet, safety glasses and…

• Page 20: Be Familiar With Machine

  Operation & Maintenance Manual──LG936 Wheel Loader 3.1 Be Familiar with Machine Learn the study manual supplied together with the machine. Learn the structure of the machine, operation and maintenance. Be familiar with the buttons, operation handles, meters, warning devices and their positions and functions.

• Page 21: Mounting And Dismounting

  Operation & Maintenance Manual──LG936 Wheel Loader 3.3 Mounting and Dismounting Check the handrails and pedals, if there is oil, lubricant or dirt; clean them first to prevent slip. Besides, repair the broken items, fasten the loosen nuts. Never jump on or off the machine. Never get on or off a moving machine.

• Page 22: Precautions When Operating At High Temperature

  Operation & Maintenance Manual──LG936 Wheel Loader separately. Do not allow unauthorized people to use. Electric welding and flame cutting is not allowed for the tubes containing flammable fluid. Clean the tubes with nonflammable fluid before electric welding and flame cutting.

• Page 23: Prevention For Crushing Or Cutting

  Operation & Maintenance Manual──LG936 Wheel Loader equipment that may block the eyesight at the front and meanwhile the load is concentrated on the back wheels. Be sure there is no big fog, soot or Sand-dust that may block the eye sight.

• Page 24: Notice Of Attachment

  Operation & Maintenance Manual──LG936 Wheel Loader 3.8 Notice of Attachment Please read the user manual of the attachment and the contents in the manual that refers to attachment when assemble and use the attachments. It is not allowed to use the attachments that are not sold by Shandong Lingong construction machinery Co.

• Page 25
  Operation & Maintenance Manual──LG936 Wheel Loader lost. Check the cab floor, rearview mirror, control lever (or control handle), pedal and handrails whether there is oil, grease, snow or other dirt. Clean them if there are such things. Check the water level of coolant, fuel and the oil of engine oil Pan is at the normal level. Pleas CHAPTER III –…

• Page 26: Safety Driving

  Operation & Maintenance Manual──LG936 Wheel Loader Sit with safety belt (if assembled). Know the meanings of warning equipment, meters, and control equipments on the panel. Be sure the parking brake switch is at the Braking position; all the control equipments are in the middle position, and the gearshift control lever is in the Neutral position..

• Page 27: Oneself Safety And Others’ Safety

  Operation & Maintenance Manual──LG936 Wheel Loader 5.2 Oneself Safety and Others’ Safety Form good driving habbit to ensure everyone’s safety. Sound the horn to ensure safety before driving to let others know. Be sure there is no people or block at left and right side.

• Page 28: Full Load Transportation

  Operation & Maintenance Manual──LG936 Wheel Loader Drive at side and let the other cars go first. Keep distance with others. Stop and brake when the engine stops. △ WARNING Steering unit will not work when engine stops. Emergency brake could hurt people! It is dangerous to change the running direction from forward to backward at high speed.

• Page 29: Ensure Good Visibility

  Operation & Maintenance Manual──LG936 Wheel Loader Keep low speed so as to control easily at any time. Never drive fast, turn and brake suddenly at rugged, slippery or oblique ground. Drive at low speed when pass rough or rugged ground with blocks around, which may let the control of steering wheel difficult.

• Page 30: Safety Drive On The Ramp

  Operation & Maintenance Manual──LG936 Wheel Loader rained. Step on the brake pedal gently and alternately to let the skid device dry. The clay piled on the ground or near the canal is soft. Never turn over caused by the weight of loader.

• Page 31: Towing

  Operation & Maintenance Manual──LG936 Wheel Loader backward when drive downward the ramp. Do not turn. Brake slowly when driving downward the ramp, do not use empty speed control for gearshift control lever. Go down the ramp slowly, never stop the engine.

• Page 32: Safety Operation

  Operation & Maintenance Manual──LG936 Wheel Loader Let the hook of one machine to be towed at the same line with the towing part of the other one. 6 SAFETY OPERATION 6.1 Keep Good Operation Habit Be seated with safety belt (if assembled) all the time during operation.

• Page 33
  Operation & Maintenance Manual──LG936 Wheel Loader garage and etc.. Examine the ground and clean it first. Operate down the wind at strong wind weather. Be careful when the lift arm reach the upper limit. Load at the uper limit may cause the loader unstable.

• Page 34: Pay Attention To Surroundings

  Operation & Maintenance Manual──LG936 Wheel Loader Don’t use the machine to do unprofessional works. Use the head of working equipment as other fuction, such as hook, grasp, draw, push, or tow may hurt the part or cause accident. 6.2 Pay attention to Surroundings…

• Page 35: Don’t Get Close To Dangerous Environment

  Operation & Maintenance Manual──LG936 Wheel Loader Open the widow to ensure enough air when work or burn oil, clean parts or painting in close or bad ventilate environment to prevent hurt our body. If this can not satisfy the need, please assemble aerator.

• Page 36: Safety Parking

  Operation & Maintenance Manual──LG936 Wheel Loader insulator) To prevent accident, please do the following things: The height distance between loader and the electric wire should be At least 2m(6.5ft) at low voltage cases At least 4m (13ft) at high voltage cases Ask the electricity company first how to act according to the relevent rules when the machine may touch the electricity cables.

• Page 37: Safety Examine And Repair

  Operation & Maintenance Manual──LG936 Wheel Loader of these parts. Otherwise, the ice will form and the unpredictable accident may be caused. Preheat sufficiently. The machine may delay if do not preheat before operating the conrol handle of working equipment and the unpredictable accident may be caused.

• Page 38: Working In Close Area

  Operation & Maintenance Manual──LG936 Wheel Loader switch, and wedge the tire during repair to prevent body hurt. Obey the rule of Warning billboard. Pay attention to the important notices in the lable of the machine and obey to the rule. Add new one or clean the lable if it is lost or dirty.

• Page 39: Working Under The Machine

  Operation & Maintenance Manual──LG936 Wheel Loader Before driving up, lock the front and rear frames with Safety Bar, put the working equipment control lever(or handle) in the middle, wedge the tire from the opposite side. Put the cushion blocks under the machine.

• Page 40: Do Not Let Anything Fall Into The Inner Place Of Machine

  Operation & Maintenance Manual──LG936 Wheel Loader Assign a operator to sit down on the seat to ensure all the maintenance people can contact with him and prepare to shut the engine. Never touch the part with high temperature such as tail pipe, silencer and etc to prevent hurt.

• Page 41: Heavy Things

  Operation & Maintenance Manual──LG936 Wheel Loader 8.9 Heavy Things Wear protect cloth, safety glass and safety helmet, put a copper bar between hammer and the part being hit. If hit the hard part using hammer, such as pin and bearing, eyes may be hurt by flying particles.

• Page 42: Examine And Repair Of Coolant System

  Operation & Maintenance Manual──LG936 Wheel Loader 8.11 Examine and Repair of Coolant System Severe burn may be caused if open the cover of oil tank, radiator after welding, pour water or oil immediately after finishing welding, because the temperature of hydraulic oil, fuel and water in engine, oil and oil in radiator may still very high and the pressure may still be high at this time.

• Page 43: Anti-Fire

  Operation & Maintenance Manual──LG936 Wheel Loader systems before examine the hydraulic system. Never bend or beat the high pressure hydraulic pipe, never assemble the hard pipe and soft pipe bended abnormally or broken. Examine the pipe system carefully (hard pipe and soft pipe), screw down the connectors according to the proper torque.

• Page 44: Air Storage Tank

  Operation & Maintenance Manual──LG936 Wheel Loader Keep fire OFF storage battery, because explosive gas may be generated. Strictly follow the program in user manual to maintain the storage battery. Make sure there is no flammable materials such as blasted grass, old paper and etc near the high temperature parts such as silencer and etc when park the machine.

• Page 45: Maintenance Of Storage Battery

  Operation & Maintenance Manual──LG936 Wheel Loader 8.16 Maintenance of Storage Battery Oxygen and hydrogen may be generated during charging because the electrolyte of storage battery contains vitriol. So miss-operation of storage battery may lead to severe hurt or fire. Please do as following notices: Keep kids OFF since the battery contains strong erosive vitriol.

• Page 46: Charging Of Storage Battery

  Operation & Maintenance Manual──LG936 Wheel Loader for long time (generally more than 15 days). Recharge the battery every 3~6 months (based on whether the indicator is black or not). 8.17 Charging of Storage Battery It may explode if the storage battery charges in the wrong way. So deal with the battery as the dealing program and the program in user manual.

• Page 47: Maintenance And Storage Of Tire

  Operation & Maintenance Manual──LG936 Wheel Loader 8.19 Maintenance and Storage of Tire 8.19.1 Maintenance of Tire The Explosion of tire can push the parts, such as tire, rim, driving axle and etc., as far as 500m or more. The explosion and the particles can lead to sever hurt and death, so please keep the pressure of tire at the normal level.

• Page 48: Waste Materials

  Operation & Maintenance Manual──LG936 Wheel Loader the dirt and oil can erode the tire. No light, heat insulation and ventilation are needed for storage. Cover the tires with canvas, plastic cloth or other anti-dust cloth. The wrong storage method can reduce the quality and life of tire seriously.

• Page 49: Transportation On The Ground

  Operation & Maintenance Manual──LG936 Wheel Loader Keep the board surface clean, and there are no lubricant, oil, ice and incompact materials. Clean the dirt of the tire. Never turn on the slope board. If it is necessary, turn outside the board and then drive back.

• Page 50
  Operation & Maintenance Manual──LG936 Wheel Loader Prevent broken of hood, operator cab, hydraulic pipes. No person and car is allowed to pass under the machine during lifting. Draw back the lock bar to turn the machine after lifting. Connect the turning equipment using lock bar after lifting onto the ship (train), wedge the tire and…

• Page 51: Chapter Ii Introduction

  1 GENERAL VIEW OF THE MACHINE & COMPONENTS’ NAME Front Frame Driving Cab Dump Cylinder Tilt lever Left Rear Front Right Rear Wheel Front Wheel Lift arm Bucket Working light Figure 2-1 General view and components’ name of LG936 wheel loader…

• Page 52: Geometrical Dimensions

  Operation & Maintenance Manual──LG936 Wheel Loader 2 GEOMETRICAL DIMENSIONS Figure 2-2 Geometrical dimensions of LG936 wheel loader mounted with standard lift arms…

• Page 53: Product Type And Its Meaning

  The format of nameplate is shown as figure 2-3, 8 TECHNICAL PERFORMANCE & figure 2-4. The other configurations please see “ PARAMETER ” in this chapter Figure 2-3 Nameplate of LG936 wheel loader mounted with standard assembles using YC6108G diesel engine…

• Page 54: Use Conditions

  Operation & Maintenance Manual──LG936 Wheel Loader Figure 2-4 Nameplate of LG936 wheel loader mounted with standard assembles using TD226B diesel engine 5 USE CONDITIONS This loader is multi-purpose moderate engineering mechanism mainly used for bulk materials. It is widely used in mineral yards, constructions, roads, enterprises, freight yards and ports, etc.

• Page 55: Circumstances Requirement

  Operation & Maintenance Manual──LG936 Wheel Loader 6 CIRCUMSTANCES REQUIREMENT The requirement of this machine needs the circumstances listed as follows: 1. Altitude: ≤3000m; 2. Temperature: -15~40 ℃; 3. Water depth: ≤400mm. The loader is general purpose engineering machine, and can be used under the cases listed in this manual.

• Page 56: Technical Performance & Parameter

  Operation & Maintenance Manual──LG936 Wheel Loader 8 TECHNICAL PERFORMANCE & PARAMETER 8.1 The Performance and Parameters of whole machine Standard lift arm Lengthened lift arm Bucket capacity 1.8 m 1.6 m Rated loading capacity 30000N 27000N Lifting time (full load) ≤5.3 s…

• Page 57: Product Standard And License

  Operation & Maintenance Manual──LG936 Wheel Loader Min. ground clearance 370 mm 370 mm Max. dumping height (-45° dumping angle) 2950 mm 3278 mm Dumping space (-45° dumping angle) 1050 mm 1020 mm Dumping angle ≥45° ≥45° Operate weight 10700kg 10700kg 8.3 Product Standard and License…

• Page 58: Chapter Iii Operation And Application

  Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER III OPERATION AND APPLICATION 1 BE FAMILIAR WITH MACHINE 1.1 General Views of Controls and Gauges 1. Panel 2. Steering Wheel 3. Steering Switch 4. Gearshift Control Lever 5. Brake Pedal 6. Accelerator Pedal 7. Seat 8. Flameout control soft shaft 9. Rocket Switch 10.Parking Brake Switch 11.

• Page 59
  Operation & Maintenance Manual──LG936 Wheel Loader 1. Steering Wheel 2. Panel 3. Gear Control Lever 4. Brake Pedal (one at left and right side) 5. Seat 6.Accelerator Pedal 7.Socket switch of right operate box 8. Air condition panel (if assembled) 9.

• Page 60: Introduction Of Gauges & Controls

  Operation & Maintenance Manual──LG936 Wheel Loader 1. Gearbox Oil Pressure Gauge 2. Brake Air Pressure Gauge 3. Working Chronometer 4. Left Turn Indicator Lamp 5. Indicator Lamp 6. Speed Gauge 7. Right Turn Indicator Lamp 8. Fuel level Gauge 9. Engine Water Temperature Gauge 10. Torque Converter Oil Temperature Gauge 11.

• Page 61
  Operation & Maintenance Manual──LG936 Wheel Loader the water temperature is normal. If the temperature index is over green to reach red ranges, be sure to stop the machine for inspection. Working Chronometer This indicator shows the total operation hours of the machine; its value can be used as references of inspection and maintenance.
• Page 62
  Operation & Maintenance Manual──LG936 Wheel Loader Fuel level Gauge This gauge shows the fuel capacity in fuel tank. Speed Gauge (if assembled) This gauge shows the speed during machine driving. Indicator Lamp General Indicator lamp of gauge panel: Pre-heat Indicator Lamp: The lamp will be on if start switch is turned to preheat position when machine equipped with cold boot equipment;…
• Page 63
  Operation & Maintenance Manual──LG936 Wheel Loader cut off, lamp is on; step on right brake pedal, power is not cut off, lamp is off. Emergency Turn Indicator Lamp: If the emergency turn indicator lamp is assembled, if the emergency pump works, the lam will be on if the machine turn in emergency.
• Page 64
  Operation & Maintenance Manual──LG936 Wheel Loader Radio and CD Player (selectable) Radio and CD player This switch is at the right side of cab top, details please see “ Assembly & Operation Manual ”. The machine without radio reserves the connection for radio, please let electrical professional of auto or engineering machine to assemble the radio according to electric theory figure.
• Page 65
  Operation & Maintenance Manual──LG936 Wheel Loader Forward (Backward) Lamp Switch: Press bottom side, the forward (backward) lamp of cab will be on; press top side, the lamp is off. Back Light Lamp Switch(if assembled): Press bottom side, the back light, front and rear outline-showing lamp will be on; press top side, the lamp will be off.
• Page 66
  Operation & Maintenance Manual──LG936 Wheel Loader Rear Head Lamp Switch: Press bottom side, low beam of the rear headlight of engine cover will be on; Press top side, the high beam of the rear headlight of engine cover will be on.
• Page 67
  Operation & Maintenance Manual──LG936 Wheel Loader 1.2.3 Steering Wheel 1.1 General View of Controls and The steering wheel is at the operator cab, see “ Gauges Figure 3-1 ” in this chapter. Steering wheel and Steering unit are connected. When the machine work fine, turn the steering wheel clockwise, the machine turn right;…
• Page 68
  Operation & Maintenance Manual──LG936 Wheel Loader Neutral is used for maintaining at a certain position. Lower is used for lowering. Float is used for moving freely under applied force. NOTICE : Never put down the lift arm at Float position.
• Page 69
  Operation & Maintenance Manual──LG936 Wheel Loader Auto Lock Function: When the loader plough ground or strickle the ground, put the lever at Float position, the control lever will be locked by electromagnetism to realize automatic lock; put the lever at Float position, the lever will automatically return to Neutral position, which will improve the working efficiency.
• Page 70
  Operation & Maintenance Manual──LG936 Wheel Loader 1.2.5 Operator Cab Door Lock Bar Outside Cab Lock Bar: Open the left and right door to 180°, the orientation lock on the door will touch the outside lock of cab and the door will be locked outside the cab.
• Page 71
  Operation & Maintenance Manual──LG936 Wheel Loader 1.2.8 Fuse LG936Fuse used for Diesel engine (Domestic Type) YC6108G TD226B LG936 Fuse used for Diesel engine Export Type TD226B （ ） LG936 Fuse used for CUMMINS Diesel engine 6BT5.9 △ NOTICE Always be sure to close the startup switch before replacing a fuse .The fuse is used to protect wiring and cable from burning out.
• Page 72
  Operation & Maintenance Manual──LG936 Wheel Loader 1. Work Indication Lamp; 2.Wind and Power Switch; 3. Temperature Adjust Switch Operation Method a) Cooling Start the engine. Turn on the wind and power switch 2. This switch has three wind speed (low speed wind,…
• Page 73
  Operation & Maintenance Manual──LG936 Wheel Loader cooling temperature control switch to warm during winter. Clean the condenser frequently, use compressive air or cool water to wash. NEVER use hot water or steam to clean. Use the condenser once per week during winter even the cool wind is not used for 1 minute to keep the air condition work fine.

• Page 74: Adjust Of New Machine

  Operation & Maintenance Manual──LG936 Wheel Loader moving up if it hits the block position and you will hear the sound like “Ka Ta”, and then release your hand, the seat will be locked at this position. If the seat is at the upper most position, pull the seat hard upward once and then push it down, the seat will go down to the lower most position.

• Page 75
  Operation & Maintenance Manual──LG936 Wheel Loader Never start, turn or brake suddenly except emergency. Idle running of the machine without Loading: the gearshift should be used from low speed to high speed accordingly. Turn left, right or brake during steadily during running.

• Page 76: Operation And Usage Of Loader

  Operation & Maintenance Manual──LG936 Wheel Loader 3 OPERATION AND USAGE OF LOADER 3.1 Notices for Usage 1. The diesel must be deposit more than 72 hours before using, the trademark should fit for the rules. 2. Transmission oil for gearbox, torque converter and the hydraulic oil for hydraulic system must be clean.

• Page 77
  Operation & Maintenance Manual──LG936 Wheel Loader leak of coolant and broken of parts. Check the status of accessories and hydraulic parts. Check before Starting: 3.6.2 Adding Fuel to Fuel Tank 1) Check the fuel of fuel tank, see “ ” in this chapter.

• Page 78: Running

  Operation & Maintenance Manual──LG936 Wheel Loader and then turn to the START position. Then release the starting key, it will go back to ON position automatically. The starting time is not more than 5~10 second, (the starting engine should not work continuously for 15 seconds).

• Page 79
  Operation & Maintenance Manual──LG936 Wheel Loader Release brake pedal, push the accelerograph pedal slowly to drive forward or backward. It is safe to drive only when the brake pressure is over specific value (0.45MPa) Never lift the bucket to the up most position to transport material.

• Page 80: Stopping

  Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING Never turn suddenly or turn on the slope at high speed. The machine can not turn if the engine stops 3.3.4 Braking Never put your foot on the brake pedal unless necessary.

• Page 81
  Operation & Maintenance Manual──LG936 Wheel Loader Stop the machine at plane ground where there should not be danger of stone falls, coast or flood. If it is necessary to stop the machine on slope, wedge the tire to prevent movement.

• Page 82: Working

  Operation & Maintenance Manual──LG936 Wheel Loader Check the brake oil of oil bowl of brake booster pump. Drain the water in air tank from water outlet valve. Clean the outlook of machine and the clay and sundries in bucket. 3.5 Working 3.5.1 Prepare to Work…

• Page 83
  Operation & Maintenance Manual──LG936 Wheel Loader Digging Piled Soil or Blasted Rock When digging piled soil or blasted rock, the loader should face the material and do as follows: If it is needed to lower the bucket while driving the machine forward, stop the machine when the bucket is about 30cm away from the ground, and then lower it slowly.
• Page 84
  Operation & Maintenance Manual──LG936 Wheel Loader front tires will deviate from the ground and skip. If there is too much material loaded into the bucket, it’s needed to dump and title the bucket quickly to remove the excessive load so as to prevent the material from dispersing during the transportation.
• Page 85
  Operation & Maintenance Manual──LG936 Wheel Loader The conveying distance is within 500 meter, it is not economical to use camion. The conveying driving speed is determined according to the road condition. In order to get good visibility and stability, the bucket should turn to its limit (bucket lift-ram touch the upper limited block) and keep the pin connection point of lift-arm at transportation position (400~500mm above the ground).
• Page 86
  Operation & Maintenance Manual──LG936 Wheel Loader (6) Strickling Operation Tilt the bucket to the bottom to let the blade touch the ground. For hard ground, let the working equipment control lever at the float position; for soft ground, let the lift arm control lever at the neutral position.
• Page 87
  Operation & Maintenance Manual──LG936 Wheel Loader When towing the machine down the slope, use one machine with enough traction power and braking power and use another one to pull at the back side to prevent the machine towed losing control or turning over.

• Page 88: Oil And Fuel Supplying

  Operation & Maintenance Manual──LG936 Wheel Loader 3. Please use anti-high and cold storage battery in high and cold place. Attentions after work everyday: In order to prevent the materials frozen on the machine which may affect working the next day, please do as the followings: 1.

• Page 89
  Operation & Maintenance Manual──LG936 Wheel Loader check the oil level (repeat twice at least). YC6108G Engine: If the oil level is below scale “L”, it needs to add some mobile oil from oil inlet. The oil is proper, if the oil level is between scale “H” and “L” of dipstick.
• Page 90
  Operation & Maintenance Manual──LG936 Wheel Loader Put the dipstick back, and close side door at right side of engine cover. Mobile oil select please CHAPTER IV 2.2 Oil Selection see “ ”, the followings are the same. ② Mobile Oil Replacing Park the machine on plane ground, put the speed control lever at neutral position, push the parking brake switch, put blocks at front and back of tire.
• Page 91
  Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER IV 2.2 Selection of Oil, Fuel and Coolant “ ”. 3.6.3 Adding Oil to Gearbox ① Oil Level Checking Park the machine on plane ground, put the speed control lever at neutral position, push the parking brake switch, put blocks at front and back of tire.
• Page 92
  Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING If the temperature of gearbox oil is relatively high please wear protective clothes, and operate carefully to prevent self hurt. Release all the oil, clean the scrap iron on oil releasing plug and the oil dirt on gearbox. Bind new raw material belt on plug and assemble it back.
• Page 93
  Operation & Maintenance Manual──LG936 Wheel Loader Oil, Fuel and Coolant ”. The followings are the same. ② Oil Replacing Park the machine on plane ground, run the engine 10 minutes, use small accelerograph to move the machine slowly to let the oil drain plug of front axle at wheel side at the lowest position Shut engine, put the speed control lever at neutral position, push the parking brake switch, wedge the front and rear wheels.
• Page 94
  Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER IV 2.2 Selection of Oil, Fuel and Coolant Selection of oil please see “ ”. The followings are the same. ② Oil Replacing △ WARNING If it needs any operation during replacing oil, please do as the relative rules, and pay attention to safety.

• Page 95: Long-Time Storage

  Operation & Maintenance Manual──LG936 Wheel Loader △ WARNING The temperature of hydraulic oil may be high please wear protective clothes, and operate carefully to prevent self hurt. Disassemble the flange cover of oil box, clean the inner part and the oil inlet port and oil recycle elements, if the elements are broken please replace with new one.

• Page 96
  Operation & Maintenance Manual──LG936 Wheel Loader 3.7.2 During Storage △ WARNING Open doors and windows to keep ventilation and exhaust poisonous gas if the antirust is used in the house. Start the machine once a month so that lubricant can be coated over the surface of movable parts and other components surfaces, storage battery can be charged at the same time.

• Page 97: General Problems And Eliminating

  Operation & Maintenance Manual──LG936 Wheel Loader 3.8 General Problems and Eliminating 3.8.1 Electrical System Problems Possible Causes Remedy Faulty cable ( contact 1. Check, repair loose terminals Lamp is not bright when the engine problem or open and disconnection runs at high speed.

• Page 98
  Operation & Maintenance Manual──LG936 Wheel Loader 3.8.2 Transmission System Problems Possible Causes Remedy Over low oil level in gearbox oil sump Add oil to the specified level Oil leakage in the main oil lines Check the main oil lines clogged oil filter of gearbox…
• Page 99
  Operation & Maintenance Manual──LG936 Wheel Loader 3.8.3 Brake System Problems Possible Causes Remedy Change rectangular sealing ring of pump Oil leakage of pliers pump Bleed the air out Air in brake hydraulic lines Check the sealing performance of Insufficient Low brake air pressure…
• Page 100
  Operation & Maintenance Manual──LG936 Wheel Loader 3.8.4 Hydraulic System of Work Equipment Problems Possible Causes Remedy Over worn or damaged cylinders Change the oil seals of cylinder Over worn multi passage valve, Change the distribution valve excessive clearance between valve…
• Page 101
  Operation & Maintenance Manual──LG936 Wheel Loader 3.8.5 Steering System Problems Possible Causes Remedy Insufficient oil supply for working pump Check oil pump and steering pump Discharge air from system and Air in steering system check the suction lines Faulty of steel-ball in check valve body of Check the valve.

• Page 102: Chapter Ⅳ Maintenance

  Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER MAINTENANCE Ⅳ 1. GUIDES OF MAINTENANCE Read following information before carrying out maintenance and inspection. 1.1 Precautions before Maintenance and Inspection Perform maintenance on the hard and level ground. Lower the work equipment near the ground and level the bucket.

• Page 103: Check Oil And Filters

  Operation & Maintenance Manual──LG936 Wheel Loader before draining it. 1.8 Check Oil and Filters After the oil is changed or filters are replaced, check the oil and filters. If large amounts of metallic particles or foreign materials are found, consult the maintenance people.

• Page 104: Dusty Worksite

  Operation & Maintenance Manual──LG936 Wheel Loader 1.17 Dusty Worksite Do as follow when working at dusty worksite: Inspect and clean air filter frequently to avoid blocking up. Clean the radiator frequently to avoid blocking up. Clean and replace fuel filter at short intervals.

• Page 105
  Operation & Maintenance Manual──LG936 Wheel Loader Always fill the fuel tank after finishing operation to prevent the moisture in the air from condensing and forming water inside the fuel tank. If engine fails to suck fuel or the filters have been replaced just, bleed the air in the circuit.

• Page 106: Selection Of Fuel, Coolant And Lubricant

  Operation & Maintenance Manual──LG936 Wheel Loader long-term storage. 2.1.5 Filters Filters are extremely important safety components. They can prevent impurities in the fuel from entering important equipment causing problems. Replace all filters periodically. Replace filters at shorter intervals when working in the severely bad conditions.

• Page 107
  Operation & Maintenance Manual──LG936 Wheel Loader 2.2.2 Reference Table of Foreign and Domestic Oils Engine oil Similar Oil Brands (classified by SAE standard) Oil Brands MOBIL SHELL CALTEX ESSO RotellaSX 40； Diesel Machine Oil HEIBAWANG1300 Essolube XT-3; Excelled CD and CD 15W-40 （SAE15W-40）…
• Page 108
  Operation & Maintenance Manual──LG936 Wheel Loader Gear oil (Axle oil) Similar Oil Brands (classified by SAE standard, GL-5) Chinese Brands CALTEX FUCHS MOBIL ESSO SHELL Mobil Gear oil Heavy duty gear HD80W-90 Spirax EP oil for （-20～40℃） ； Caltex Thuban…

• Page 109: The Sketch Of Lubricating Points

  Operation & Maintenance Manual──LG936 Wheel Loader 2.3 The Sketch of Lubricating Points 2.4 Outline of Electric System Maintenance If the wire gets wet or the insulation is damaged, electric leakage may occur and result in hazardous accident. Maintenance of components related to the electric system.

• Page 110: Tightening Torque Of Threads

  Operation & Maintenance Manual──LG936 Wheel Loader 2.6 Tightening Torque of Threads Be sure to carry out the maintenance following the table lists which is the standard tightening torque of threads in the main components, except for specified conditions. Material Position Thread size Torque(N.m)

• Page 111: Every 10 Hours (Days) Service

  Operation & Maintenance Manual──LG936 Wheel Loader 3.1 Every 10 Hours (Days) Service Check the sealing performance of work equipment systems such as hydraulic, steering and brake system. Check the flexibility and reliability of brake. Check whether the electric circuit is correct and electric components are normal.

• Page 112: Every 500 Hours (Season) Service

  Operation & Maintenance Manual──LG936 Wheel Loader of rear tires is 0.275～0.294MPa. Open the water drain valve in the air tank to drain the water. In addition, do the extra maintenance in the first 250 hours as follow: Check and clean the air vent of gearbox. Clean the oil pan of gearbox. Replace the suction filter cartridge in the oil pan of gearbox.

• Page 113: Every 2000 Hours (Year) Service

  Operation & Maintenance Manual──LG936 Wheel Loader Check the clearance and wear condition between pins and bushes in every articulated point. 3.6 Every 2000 Hours (Year) Service Carry out the periodic maintenance of every 10, 50, 250, 500 and 1000 hours with this maintenance operation at the same time.

• Page 114: Chapter V The Structure And Priciple Of Main Components And System

  Operation & Maintenance Manual──LG936 Wheel Loader CHAPTER V THE STRUCTURE AND PRICIPLE OF MAIN COMPONENTS AND SYSTEM 1 Transmission System The transmission system includes hydraulic torque converter, gear box, transmission axle, front and rear driving axle, wheel and so on. The transmission system theory is shown in the Figure 5-1.

• Page 115
  Operation & Maintenance Manual──LG936 Wheel Loader valve includes dump section and lift section. The dump section has 3 positions including dumping, median and taking bucket back, and the lift section has 4 positions including floating, lowering, median and lifting to control the operation of the work equipment.

• Page 116: Brake System

  Operation & Maintenance Manual──LG936 Wheel Loader 1.Fork cylinder 2. Multiway valve 3. Steering cylinder 4. Steering machine 5. Priority valve 6. Steering gearshift Twin pump 7. Hydraulic tank 8. Working pump 9. Oil recycle filter 10.Bucket cylinder 11. Life arm cylinder…

• Page 117: Driving Brake System (Single Brake Pedal Braking)

  Operation & Maintenance Manual──LG936 Wheel Loader 1.Air booster pump 2.Shuttle valve 3.Air brake valve 4.Air reservoir 5.Combination valve of oil water Separator 6. Air compressor 7.Braking electromagnetic valve 8.Parking brake air room Figure 5-5 Double Brake Pedal Braking System Theory 3.1 Driving Brake System (…

• Page 118: Emergency And Parking Brake System

  Operation & Maintenance Manual──LG936 Wheel Loader stepped, but the power of gearbox is not cut off. Release the brake pedal, the compressed air of booster pump bleeds from brake valve to atmosphere and the brake state is terminated. 3.2 Emergency and Parking Brake System This system employs the electronic control air driving caliper disk brake type brake system and the electronic control air driving inner expand hoof type brake system.

• Page 119: Electric System

  Operation & Maintenance Manual──LG936 Wheel Loader 1. Steering cylinder 2.Steering unit 3.Priority valve 4.hydraulic oil radiator 5.Steering pump 6.Oil recycle filter 7. Hydraulic oil tank Figure 5-6 Steering System Theory 5 Electric System Electric system is composed of storage battery, starting motor, charge generator, appliance, switch, lamps and other electric instruments.

• Page 120
  Figure5-7 Electric System Theory Using YC6108G and TD226B Engine (Machinery Control) — 110 -…
• Page 121
  Figure5-8 Electric System Theory Using Weifang TD226B Engine(Pilot Control、Combined Switch)
• Page 122
  Figure5-9 Electric System Theory Using Dongfeng CUMMINS Engine(Pilot Control、 Combined Switch) 6BT5.9…