Komatsu WA120L-3Mc Wheel Loader Operation & Maintenance Manual
FILE DETAILS:
Komatsu WA120L-3Mc Wheel Loader Operation & Maintenance Manual
Model Specification: KOMATSU WA120L-3MC WHEEL LOADER
Language: English
File Format: PDF
Total Pages: 225
Requirements: Adobe PDF Reader
ZOOM IN/OUT: YES
Downloadable: YES
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DESCRIPTION:
Komatsu WA120L-3Mc Wheel Loader Operation & Maintenance Manual
FOREWORD:
- This manual provides rules and guidelines which will help you use this machine safely and effectively. Keep this manual handy and have all personnel read it periodically. If this manual has been lost or has become dirty and can not be read, request a replacement manual from Komatsu or your Komatsu distributor.
- If you sell the machine, be sure to give this manual to the new owners. Continuing improvements in the design of this machine can lead to changes in detail which may not be reflected in this manual.
- Consult Komatsu or your Komatsu distributor for the latest available information of your machine or for questions regarding information in this manual. This manual may contain attachments and optional equipment that are not available in your area. Consult Komatsu or your Komatsu distributor for those items you may require.
TABLE OF CONTENTS:
Komatsu WA120L-3Mc Wheel Loader Operation & Maintenance Manual
MAIN MENU........................................................................................................................ 0 COVER............................................................................................................................ 1 FOREWORD......................................................................................................................... 2 1. FOREWORD................................................................................................................ 3 2. SAFETY INFORMATION...................................................................................................... 5 3. INTRODUCTION............................................................................................................ 6 4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR........................................................... 7 5. CONTENTS................................................................................................................ 8 SAFETY........................................................................................................................... 12 6. GENERAL PRECAUTIONS..................................................................................................... 13 7. PRECAUTIONS DURING OPERATION............................................................................................ 18 7.1 Before Starting Engine............................................................................................. 18 7.2 After Starting Engine.............................................................................................. 20 7.3 Transportation..................................................................................................... 28 7.4 Battery............................................................................................................ 29 7.5 Towing............................................................................................................. 31 8. PRECAUTIONS FOR MAINTENANCE............................................................................................. 32 8.1 Before Carrying Out Maintenance.................................................................................... 32 8.2 During Maintenance................................................................................................. 37 8.3 Tires.............................................................................................................. 43 9. POSITION FOR ATTACHING SAFETY LABLES.................................................................................... 45 OPERATION........................................................................................................................ 52 10. GENERAL VIEW........................................................................................................... 53 10.1 General View of Machine............................................................................................ 53 10.2 General View of Controls and Gauges................................................................................ 54 11. EXPLANATION OF COMPONENTS............................................................................................... 57 11.1 Meter, Lamps....................................................................................................... 57 11.2 Switches........................................................................................................... 61 11.3 Control Levers, Pedals.............................................................................................. 67 11.4 Cap with Lock...................................................................................................... 72 11.5 Safety Bar......................................................................................................... 73 11.6 Towing Pin......................................................................................................... 73 11.7 Grease Pump Clamp and Rubber Ring.................................................................................. 73 11.8 Backup Alarm....................................................................................................... 74 11.9 Fuse............................................................................................................... 75 11.10 Slow-blow Fuse.................................................................................................... 76 11.11 Manual Pocket..................................................................................................... 77 11.12 Power Supply Socket............................................................................................... 77 12. OPERATION.............................................................................................................. 78 12.1 Check Before Starting Engine....................................................................................... 78 12.2 Starting Engine.................................................................................................... 94 12.3 Operations and Checks After Starting Engine........................................................................ 95 12.4 Moving Machine Off................................................................................................. 96 12.5 Changing Gear Speed................................................................................................ 97 12.6 Changing Direction................................................................................................. 98 12.7 Turning............................................................................................................ 99 12.8 Stopping Machine...................................................................................................100 12.9 Operation of Work Equipment........................................................................................101 12.10 Work Possible Using Wheel Loader..................................................................................102 12.11 Precautions for Operation.........................................................................................106 12.12 Adjusting Work Equipment Posture..................................................................................108 12.13 Parking Machine...................................................................................................110 12.14 Checks After Completion of Operation..............................................................................112 12.15 Stopping Engine...................................................................................................112 12.16 Check After Stopping Engine.......................................................................................113 12.17 Locking...........................................................................................................113 12.18 Handling the Tires................................................................................................114 13. TRANSPORTATION.........................................................................................................116 13.1 Loading, Unloading Work............................................................................................116 13.2 Precautions for Loading............................................................................................117 13.3 Lifting Machine....................................................................................................117 13.4 Precautions for Transportation.....................................................................................120 14. COLD WEATHER OPERATION.................................................................................................121 14.1 Precautions for Low Temperature....................................................................................121 14.2 Precautions After Completion of Work...............................................................................123 14.3 After Cold Weather................................................................................................123 15. LONG-TERM STORAGE......................................................................................................124 15.1 Before Storage.....................................................................................................124 15.2 During Storage.....................................................................................................124 15.3 After Storage......................................................................................................124 16. TROUBLESHOOTING........................................................................................................125 16.1 When Machine Runs Out of Fuel......................................................................................125 16.2 Towing the Machine.................................................................................................126 16.3 If Battery is Discharged...........................................................................................129 16.4 Other Trouble......................................................................................................133 MAINTENANCE......................................................................................................................140 17. GUIDES TO MAINTENANCE..................................................................................................141 18. OUTLINES OF SERVICE....................................................................................................144 18.1 Outline of Oil, Fuel, Coolant......................................................................................144 18.2 Outline of Electric System.........................................................................................147 19. WEAR PARTS LIST........................................................................................................148 20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...................................................149 21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS.........................................................................153 21.1 Introduction of Necessary Tools....................................................................................153 21.2 Torque List........................................................................................................154 22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS..........................................................................155 23. MAINTENANCE SCHEDULE CHART.............................................................................................157 23.1 Maintenance Schedule Chart.........................................................................................157 24. SERVICE PROCEDURE......................................................................................................160 24.1 Initial 250 Hours Service.........................................................................................160 Replace Fuel Filter Cartrfidge.......................................................................................160 Replace Transmission Oil Filter Element..............................................................................160 Replace Hydraulic Tank Filter Element................................................................................160 Check Engine Valve Clearance, Adjust.................................................................................160 24.2 When Required.....................................................................................................161 24.2.1 Check Clean, or Replace Air Cleaner Element...................................................................161 24.2.2 Clean Inside of Cooling System................................................................................164 24.2.3 Check Transmission Oil Level, Add Oil.........................................................................168 24.2.4 Check Axle Oil Level, Add Oil.................................................................................169 24.2.5 Check Axle Case Breather......................................................................................170 24.2.6 Clean Radiator Fins...........................................................................................170 24.2.7 Replace Bolt-on Cutting Edge..................................................................................171 24.2.8 Replace Bucket Teeth (If Equipped)............................................................................172 24.2.9 Check Air Conditioner (If Equipped)...........................................................................173 24.2.10 Clean Condenser of Air Conditioner (If Equipped).............................................................174 24.2.11 Check Window Washing Fluid Level, Add Fluid..................................................................174 24.2.12 Adjust Parking Brake.........................................................................................175 24.2.13 Check Electrical Intake Air Heater...........................................................................176 24.2.14 Replace Slow Blow Fuse.......................................................................................176 24.2.15 Selection and Inspection of Tires............................................................................177 24.3 Check Before Starting.............................................................................................179 See "12.1.2 Check Before Starting" in the Operation Section..........................................................179 24.4 Every 50 Hours Service............................................................................................180 24.4.1 Drain Water, Sediment From Fuel Tank..........................................................................180 24.5 Every 100 Hours Service...........................................................................................181 24.5.1 Check Oil Level In Hydraulic Tank, Add Oil....................................................................181 24.5.2 Clean Element In Car Heater Air Conditioner (If Equipped) Fresh Air Filter....................................182 24.5.3 Lubricating...................................................................................................183 Bucket Pin (2 points)............................................................................................183 Bucket Link Pin (2 points).......................................................................................183 Rear Axle Pivot Pin (2 points)...................................................................................183 24.6 Every 250 Hours Service...........................................................................................184 24.6.1 Change Oil in Engine Oil Pan, Replace Engine Oil Filter Cartridge.............................................184 24.6.2 Check Battery Electrolyte Level...............................................................................186 24.6.3 Check for Loose Wheel Hub Nuts, Tighten.......................................................................186 24.6.4 Clean Element in Car Heater and Air Conditioner (If Equipped) Recirculation Filter............................187 24.6.5 Check Air Conditioner Compressor Belt Tension, Adjust (If Equipped)...........................................187 24.6.6 Lubricating...................................................................................................188 Dump Cylinder Pin (2 points).....................................................................................188 Lift Cylinder Pin (4 points).....................................................................................188 Lift Arm Pivot Pin (2 points)....................................................................................188 Tilt Lever Pin (1 point).........................................................................................188 Steering Cylinder Pin (4 points).................................................................................188 24.7 Every 500 Hours Service...........................................................................................189 24.7.1 Replace Fuel Filter Cartridge.................................................................................189 24.7.2 Lubricating...................................................................................................191 Center Drive Shaft Spline (1 point)..............................................................................191 Center Hings Pin (2 points)......................................................................................191 24.8 Every 1000 Hours Service..........................................................................................192 24.8.1 Change Oil in Transmission Case and Transmission Oil Filter Cartridge, Clean Strainer.........................192 24.8.2 Clean Transmission Case Breather..............................................................................193 24.8.3 Lubricating...................................................................................................194 Front Drive Shaft (2 points).....................................................................................194 Drive Shaft Center Support (1 point).............................................................................194 Center Drive Shaft ( 2 points)...................................................................................194 Rear Drive Shaft (2 points)......................................................................................195 24.8.4 Change Oil in Hydraulic Tank, Replace Hydraulic Filter Element................................................196 24.8.5 Check Tightening Parts of Turbocharger........................................................................198 24.8.6 Check Play of Turbocharger Rotor..............................................................................198 24.8.7 Check Fan Belt Tension and Replace Fan Belt...................................................................198 24.9 Every 2000 Hours Service..........................................................................................199 24.9.1 Replace Hydraulic Tank Breather Element.......................................................................199 24.9.2 Change Axle Oil (*)...........................................................................................200 24.9.3 Check Brake Disc Wear.........................................................................................201 24.9.4 Check Alternator, Starting Motor..............................................................................201 24.9.5 Check Engine Valve Clearance, Adjust..........................................................................201 24.9.6 Replace Element in Car Heater and Air Conditioner (If Equipped) Recirculation Air Filter, Fresh Air Filter....201 24.10 Every 4000 Hours Service..........................................................................................202 24.10.1 Check Water Pump.............................................................................................202 SPECIFICATIONS...................................................................................................................204 25. SPECIFICATIONS.........................................................................................................205 OPERATIONS, ATTACHMENTS..........................................................................................................206 26. OPTIONAL PARTS AND ATTACHMENTS.........................................................................................207 27. SELECTING BUCKETS AND TIRES............................................................................................208 28. CAR RADIO..............................................................................................................209 28.1 Explanation of Components.........................................................................................209 28.2 Method of Use.....................................................................................................211 28.3 Precautions When Using Radio......................................................................................212 29. CAR STEREO.............................................................................................................213 29.1 Explanation of Components.........................................................................................213 29.2 When Receiving Radio Broadcasts...................................................................................215 29.3 When Playing A Cassette Tape......................................................................................217 29.4 Specifications....................................................................................................218 30. AIR CONDITIONER........................................................................................................219 30.1 General Locations and Function of Control Panel...................................................................219 30.2 Method of Operation...............................................................................................221 30.3 Cool Box..........................................................................................................221 31. HANDLING E.C.S.S. (Electronic Controlled Supsension System)............................................................222 31.1 Structure and Function of E.C.S.S.................................................................................222 31.2 Method of Operating E.C.S.S.......................................................................................223 31.3 Precautions When Operating E.C.S.S. Switch........................................................................223 31.4 Precautions When Handling Accumulator.............................................................................224
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.