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KOMATSU WA250-3A WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:WA250-3A 53305 and up) KOMATSU WA250 3A – PDF DOWNLOAD
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- KOMATSU WA250-3A WHEEL LOADER OPERATION & MAINTENANCE MANUAL
- SERIAL NUMBER:WA250-3A 53305 and up
- PUBLICATION NUMBER:SEAM007503T
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Description
KOMATSU WA250-3A WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:WA250-3A 53305 and up) KOMATSU WA250 3A
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KOMATSU WA250-3A WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:WA250-3A 53305 AND UP) KOMATSU WA250 3A – PDF DOWNLOAD:
TABLE OF CONTENTS:
KOMATSU WA250-3A WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:WA250-3A 53305 and up) KOMATSU WA250 3A
MAIN MENU.......................................................................................... 0 COVER.............................................................................................. 1 1. FOREWORD........................................................................................ 2 2. SAFETY INFORMATION.............................................................................. 5 3. INTRODUCTION.................................................................................... 6 3.1 INTENDED USE............................................................................... 6 3.2 FEATURES................................................................................... 6 3.3 BREAKING IN THE MACHINE.................................................................... 6 4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR................................... 7 4.1 MACHINE SERIAL NO. PLATE POSITION.......................................................... 7 4.2 ENGINE SERIAL NO. PLATE POSITION........................................................... 7 4.3 TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR.................................................. 7 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 LABELS........................................................ 45 OPERATION.......................................................................................... 50 10. GENERAL VIEW............................................................................... 51 10.1 GENERAL VIEW OF MACHINE............................................................... 51 10.2 GENERAL VIEW OF CONTROLS AND GAUGES................................................... 52 11. EXPLANATION OF COMPONENTS.................................................................. 53 11.1 MACHINE MONITOR....................................................................... 53 11.2 SWITCHES.............................................................................. 63 11.3 CONTROL LEVERS, PEDALS................................................................ 68 11.4 STEERING COLUMN TILT LEVER............................................................ 72 11.5 CAP WITH LOCK......................................................................... 72 11.6 SAFETY BAR............................................................................ 73 11.7 TOWING PIN............................................................................ 73 11.8 GREASE PUMP CLAMP AND RUBBER RING..................................................... 73 11.9 BACKUP ALARM.......................................................................... 74 11.10 FUSE................................................................................. 75 11.11 SLOW BLOW FUSE....................................................................... 76 11.12 MANUAL POCKET........................................................................ 76 11.13 POWER SUPPLY SOCKET.................................................................. 76 12. OPERATION.................................................................................. 77 12.1 CHECK BEFORE STARTING ENGINE.......................................................... 77 12.2 STARTING ENGINE....................................................................... 94 12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE........................................... 96 12.4 MOVING MACHINE OFF.................................................................... 97 12.5 CHANGING GEAR SPEED................................................................... 99 12.6 CHANGING DIRECTION.................................................................... 99 12.7 TURNING...............................................................................100 12.8 STOPPING MACHINE......................................................................101 12.9 OPERATION OF WORK EQUIPMENT...........................................................102 12.10 WORK POSSIBLE USING WHEEL LOADER.....................................................103 12.11 PRECAUTIONS FOR OPERATION............................................................107 12.12 ADJUSTING WORK EQUIPMENT POSTURE.....................................................109 12.13 PARKING MACHINE......................................................................111 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 BATTER 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..........................................................................161 24.1 INITIAL 250 HOURS SERVICE.............................................................161 REPLACE FUEL FILTER CARTRIDGE..........................................................199 REPLACE TRANSMISSION OIL FILTER ELEMENT................................................201 CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC FILTER ELEMENT.........................208 CHECK ENGINE VALVE CLEARANCE, ADJUST...................................................212 24.2 WHEN REQUIRED.........................................................................162 24.2.1 CHECK, CLEAN, OR REPLACE AIR CLEANER ELEMENT....................................162 24.2.2 CLEAN INSIDE OF COOLING SYSTEM..................................................165 24.2.3 CHECK TRANSMISSION OIL LEVEL, ADD OIL...........................................169 24.2.4 CHECK AXLE OIL LEVEL, ADD OIL...................................................170 24.2.5 CLEAN AXLE CASE BREATHER........................................................171 24.2.6 CLEAN RADIATOR FINS.............................................................171 24.2.7 REPLACE BOLT-ON CUTTING EDGE (IF EQUIPPED)......................................172 24.2.8 REPLACE BUCKET TEETH (IF EQUIPPED)..............................................173 24.2.9 CHECK AIR CONDITIONER (IF EQUIPPED).............................................174 24.2.10 CLEAN CONDENER OF AIR CONDITIONER (IF EQUIPPED)................................175 24.2.11 CHECK WINDOW WASHING FLUID LEVEL, ADD FLUID (IF EQUIPPED)......................175 24.2.12 ADJUSTING PARKING BRAKE........................................................176 24.2.13 CHECK ELECTRICAL INTAKE AIR HEATER.............................................177 24.2.14 DRAIN WATER FROM WATER SEPARATOR (IF EQUIPPED).................................177 24.2.15 REPLACE SLOW BLOW FUSE.........................................................178 24.2.16 SELECTION AND INSPECTION OF TIRES..............................................179 24.3 CHECK BEFORE STARTING.................................................................181 24.3.1 CHECK MONITOR PANEL.............................................................181 24.3.2 CHECK COOLANT LEVEL, ADD WATER..................................................181 24.3.3 CHECK FUEL LEVEL, ADD FUEL......................................................182 24.3.4 CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL......................................183 24.3.5 CHECK AND REFILL OF OIL IN BRAKE OIL TANK.......................................184 24.3.6 CHECK DUST INDICATOR............................................................185 24.3.7 CHECK ELECTRIC WIRING...........................................................185 24.3.8 CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR (IF EQUIPPED)...................186 24.3.9 CHECK EFFECT OF PARKING BRAKE...................................................187 24.3.10 CHECK EFFECT OF BRAKE..........................................................188 24.3.11 CHECK ALARM SOUND OF HORN AND BACKUP ALARM.....................................188 24.3.12 CHECK FLASHING OF LAMPS, CHECK FOR DIRT AND DAMAGE.............................188 24.3.13 CHECK ENGINE EXHAUST COLOR AND SOUND...........................................188 24.3.14 CHECK OPERATION OF GAUGES......................................................188 24.3.15 CHECK PLAY OF STEERING WHEEL, CHECK OPERATION OF STEERING......................188 24.3.16 CHECK DIRECTION OF REAR VIEW MIRROR, CHECK FOR DIRT OR DAMAGE (IF EQUIPPED)....188 24.3.17 CHECK LOCK OF CAB DOOR (MACHINE EQUIPPED WITH CAB).............................188 24.3.18 CHECK INFLATION PRESSURE OF TIRES..............................................188 24.4 EVERY 50 HOURS SERVICE................................................................189 24.4.1 DRAIN WATER, SEDIMENT FROM FUEL TANK............................................189 24.5 EVERY 100 HOURS SERVICE...............................................................190 24.5.1 CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL......................................190 24.5.2 CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER (IF EQUIPPED).................191 24.5.3 LUBRICATE REAR AXLE PIVOT PIN (2 POINTS)........................................192 24.6 EVERY 250 HOURS SERVICE...............................................................193 24.6.1 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE...............193 24.6.2 CHECK BATTERY ELECTROLYTE LEVEL.................................................195 24.6.3 CHECK FOR LOOSE WHEEL HUB NUTS, TIGHTEN.........................................196 24.6.4 CLEAN ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER (IF EQUIPPED).............196 24.6.5 CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST (IF EQUIPPED).............197 24.6.6 LUBRICATING.....................................................................198 24.7 EVERY 500 HOURS SERVICE...............................................................199 24.7.1 REPLACE FUEL FILTER CARTRIDGE...................................................199 24.7.2 REPLACE TRANSMISSION OIL FILTER ELEMENT.........................................201 24.7.3 LUBRICATE CENTER DRIVE SHAFT SPLINE (1 POINT)...................................202 24.8 EVERY 1000 HOURS SERVICE..............................................................203 24.8.1 CHANGE OIL IN TRANSMISSION CASE, CLEAN STRAINER.................................203 24.8.2 CLEAN TRANSMISSION CASE BREATHER................................................204 24.8.3 LUBRICATING.....................................................................205 24.8.4 CHECK TIGHTENING PARTS OF TURBOCHARGER..........................................207 24.8.5 CHECK PLAY OF TURBOCHARGER ROTOR................................................207 24.8.6 REPLACE CORROSION RESISTOR CARTRIDGE............................................207 24.8.7 CHECK FAN BELT TENSION AND REPLACE FAN BELT.....................................207 24.9 EVERY 2000 HOURS SERVICE..............................................................208 24.9.1 CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC TANK FILTER ELEMENT.............208 24.9.2 REPLACE HYDRAULIC TANK BREATHER ELEMENT.........................................210 24.9.3 CHANGE AXLE OIL.................................................................211 24.9.4 CHECK BRAKE DISC WEAR...........................................................212 24.9.5 CHECK ALTERNATOR, STARTING MOTOR................................................212 24.9.6 CHECK ENGINE VALVE CLEARANCE, ADJUST............................................212 24.9.7 CHECK VIBRATION DAMPER..........................................................212 24.9.8 REPLACE ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER, FRESH AIR FILTER.......212 24.9.9 CLEAN AND CHECK TURBOCHARGER....................................................212 24.10 EVERY 4000 HOURS SERVICE.............................................................213 24.10.1 CHECK WATER PUMP...............................................................213 SPECIFICATIONS.....................................................................................214 25. SPECIFICATIONS.............................................................................215 OPTIONS, ATTACHMENTS...............................................................................218 26. OPTIONAL PARTS AND ATTACHMENTS.............................................................219 27. SELECTING BUCKETS AND TIRES................................................................220 28. CAR RADIO..................................................................................221 28.1 EXPLANATION OF COMPONENTS.............................................................221 28.2 METHOD OF USE.........................................................................223 28.3 PRECAUTIONS WHEN USING RADIO..........................................................224 29. AIR CONDITIONER............................................................................225 29.1 GENERAL LOCATIONS AND FUNCITON OF CONTROL PANEL.......................................225 29.2 METHOD OF OPERATION...................................................................227 29.3 COOL BOX..............................................................................227 30. HANDLING E.C.S.S. (ELECTRONIC CONTROLLED SUSPENSION SYSTEM)................................228 30.1 STRUCTURE AND FUNCTION OF E.C.S.S.....................................................228 30.2 METHOD OF OPERATING E.C.S.S...........................................................229 30.3 PRECAUTIONS WHEN OPERATING E.C.S.S. SWITCH............................................229 30.4 PRECAUTIONS WHEN HANDLING ACCUMULATOR.................................................230 31. HANDLING AUTOMATIC SHIFT...................................................................231 31.1 EXPLANATION OF COMPONENTS.............................................................231 31.2 AUTOMATIC SHIFT.......................................................................233
DESCRIPTION:
KOMATSU WA250-3A WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:WA250-3A 53305 and up) KOMATSU WA250 3A
- 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.
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⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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Mohammed Lucas –
Lots and lots of useful data