Komatsu WA250-3A Wheel Loader Operation and Maintenance Manual SEAM007503T

Description

• Model List:
  • WA250-3A Wheel Loader

• 1. MAIN MENU
• 2. COVER
• 3. FOREWORD
• 4. SAFETY INFORMATION
• 5. INTRODUCTION
• 5.1. INTENDED USE
• 5.2. FEATURES
• 5.3. BREAKING IN THE MACHINE
• 6. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
• 6.1. MACHINE SERIAL NO. PLATE POSITION
• 6.2. ENGINE SERIAL NO. PLATE POSITION
• 6.3. TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
• 7. CONTENTS
• 8. SAFETY
• 8.1. GENERAL PRECAUTIONS
• 8.2. PRECAUTIONS DURING OPERATION
• 8.2.1. BEFORE STARTING ENGINE
• 8.2.2. AFTER STARTING ENGINE
• 8.2.3. TRANSPORTATION
• 8.2.4. BATTERY
• 8.2.5. TOWING
• 8.3. PRECAUTIONS FOR MAINTENANCE
• 8.3.1. BEFORE CARRYING OUT MAINTENANCE
• 8.3.2. DURING MAINTENANCE
• 8.3.3. TIRES
• 8.4. POSITION FOR ATTACHING SAFETY LABELS
• 9. OPERATION
• 9.1. GENERAL VIEW
• 9.1.1. GENERAL VIEW OF MACHINE
• 9.1.2. GENERAL VIEW OF CONTROLS AND GAUGES
• 9.2. EXPLANATION OF COMPONENTS
• 9.2.1. MACHINE MONITOR
• 9.2.2. SWITCHES
• 9.2.3. CONTROL LEVERS, PEDALS
• 9.2.4. STEERING COLUMN TILT LEVER
• 9.2.5. CAP WITH LOCK
• 9.2.6. SAFETY BAR
• 9.2.7. TOWING PIN
• 9.2.8. GREASE PUMP CLAMP AND RUBBER RING
• 9.2.9. BACKUP ALARM
• 9.2.10. FUSE
• 9.2.11. SLOW BLOW FUSE
• 9.2.12. MANUAL POCKET
• 9.2.13. POWER SUPPLY SOCKET
• 9.3. OPERATION
• 9.3.1. CHECK BEFORE STARTING ENGINE
• 9.3.2. STARTING ENGINE
• 9.3.3. OPERATIONS AND CHECKS AFTER STARTING ENGINE
• 9.3.4. MOVING MACHINE OFF
• 9.3.5. CHANGING GEAR SPEED
• 9.3.6. CHANGING DIRECTION
• 9.3.7. TURNING
• 9.3.8. STOPPING MACHINE
• 9.3.9. OPERATION OF WORK EQUIPMENT
• 9.3.10. WORK POSSIBLE USING WHEEL LOADER
• 9.3.11. PRECAUTIONS FOR OPERATION
• 9.3.12. ADJUSTING WORK EQUIPMENT POSTURE
• 9.3.13. PARKING MACHINE
• 9.3.14. CHECKS AFTER COMPLETION OF OPERATION
• 9.3.15. STOPPING ENGINE
• 9.3.16. CHECK AFTER STOPPING ENGINE
• 9.3.17. LOCKING
• 9.3.18. HANDLING THE TIRES
• 9.4. TRANSPORTATION
• 9.4.1. LOADING, UNLOADING WORK
• 9.4.2. PRECAUTIONS FOR LOADING
• 9.4.3. LIFTING MACHINE
• 9.4.4. PRECAUTIONS FOR TRANSPORTATION
• 9.5. COLD WEATHER OPERATION
• 9.5.1. PRECAUTIONS FOR LOW TEMPERATURE
• 9.5.2. PRECAUTIONS AFTER COMPLETION OF WORK
• 9.5.3. AFTER COLD WEATHER
• 9.6. LONG TERM STORAGE
• 9.6.1. BEFORE STORAGE
• 9.6.2. DURING STORAGE
• 9.6.3. AFTER STORAGE
• 9.7. TROUBLESHOOTING
• 9.7.1. WHEN MACHINE RUNS OUT OF FUEL
• 9.7.2. TOWING THE MACHINE
• 9.7.3. IF BATTER IS DISCHARGED
• 9.7.4. OTHER TROUBLE
• 10. MAINTENANCE
• 10.1. GUIDES TO MAINTENANCE
• 10.2. OUTLINES OF SERVICE
• 10.2.1. OUTLINE OF OIL, FUEL, COOLANT
• 10.2.2. OUTLINE OF ELECTRIC SYSTEM
• 10.3. WEAR PARTS LIST
• 10.4. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
• 10.5. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
• 10.5.1. INTRODUCTION OF NECESSARY TOOLS
• 10.5.2. TORQUE LIST
• 10.6. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
• 10.7. MAINTENANCE SCHEDULE CHART
• 10.7.1. MAINTENANCE SCHEDULE CHART
• 10.8. SERVICE PROCEDURE
• 10.8.1. INITIAL 250 HOURS SERVICE
• 10.8.1.1. REPLACE FUEL FILTER CARTRIDGE
• 10.8.1.2. REPLACE TRANSMISSION OIL FILTER ELEMENT
• 10.8.1.3. CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC FILTER ELEMENT
• 10.8.1.4. CHECK ENGINE VALVE CLEARANCE, ADJUST
• 10.8.2. WHEN REQUIRED
• 10.8.2.1. CHECK, CLEAN, OR REPLACE AIR CLEANER ELEMENT
• 10.8.2.2. CLEAN INSIDE OF COOLING SYSTEM
• 10.8.2.3. CHECK TRANSMISSION OIL LEVEL, ADD OIL
• 10.8.2.4. CHECK AXLE OIL LEVEL, ADD OIL
• 10.8.2.5. CLEAN AXLE CASE BREATHER
• 10.8.2.6. CLEAN RADIATOR FINS
• 10.8.2.7. REPLACE BOLTON CUTTING EDGE (IF EQUIPPED)
• 10.8.2.8. REPLACE BUCKET TEETH (IF EQUIPPED)
• 10.8.2.9. CHECK AIR CONDITIONER (IF EQUIPPED)
• 10.8.2.10. CLEAN CONDENER OF AIR CONDITIONER (IF EQUIPPED)
• 10.8.2.11. CHECK WINDOW WASHING FLUID LEVEL, ADD FLUID (IF EQUIPPED)
• 10.8.2.12. ADJUSTING PARKING BRAKE
• 10.8.2.13. CHECK ELECTRICAL INTAKE AIR HEATER
• 10.8.2.14. DRAIN WATER FROM WATER SEPARATOR (IF EQUIPPED)
• 10.8.2.15. REPLACE SLOW BLOW FUSE
• 10.8.2.16. SELECTION AND INSPECTION OF TIRES
• 10.8.3. CHECK BEFORE STARTING
• 10.8.3.1. CHECK MONITOR PANEL
• 10.8.3.2. CHECK COOLANT LEVEL, ADD WATER
• 10.8.3.3. CHECK FUEL LEVEL, ADD FUEL
• 10.8.3.4. CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL
• 10.8.3.5. CHECK AND REFILL OF OIL IN BRAKE OIL TANK
• 10.8.3.6. CHECK DUST INDICATOR
• 10.8.3.7. CHECK ELECTRIC WIRING
• 10.8.3.8. CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR (IF EQUIPPED)
• 10.8.3.9. CHECK EFFECT OF PARKING BRAKE
• 10.8.3.10. CHECK EFFECT OF BRAKE
• 10.8.3.11. CHECK ALARM SOUND OF HORN AND BACKUP ALARM
• 10.8.3.12. CHECK FLASHING OF LAMPS, CHECK FOR DIRT AND DAMAGE
• 10.8.3.13. CHECK ENGINE EXHAUST COLOR AND SOUND
• 10.8.3.14. CHECK OPERATION OF GAUGES
• 10.8.3.15. CHECK PLAY OF STEERING WHEEL, CHECK OPERATION OF STEERING
• 10.8.3.16. CHECK DIRECTION OF REAR VIEW MIRROR, CHECK FOR DIRT OR DAMAGE (IF EQUIPPED)
• 10.8.3.17. CHECK LOCK OF CAB DOOR (MACHINE EQUIPPED WITH CAB)
• 10.8.3.18. CHECK INFLATION PRESSURE OF TIRES
• 10.8.4. EVERY 50 HOURS SERVICE
• 10.8.4.1. DRAIN WATER, SEDIMENT FROM FUEL TANK
• 10.8.5. EVERY 100 HOURS SERVICE
• 10.8.5.1. CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL
• 10.8.5.2. CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER (IF EQUIPPED)
• 10.8.5.3. LUBRICATE REAR AXLE PIVOT PIN (2 POINTS)
• 10.8.6. EVERY 250 HOURS SERVICE
• 10.8.6.1. CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE
• 10.8.6.2. CHECK BATTERY ELECTROLYTE LEVEL
• 10.8.6.3. CHECK FOR LOOSE WHEEL HUB NUTS, TIGHTEN
• 10.8.6.4. CLEAN ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER (IF EQUIPPED)
• 10.8.6.5. CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST (IF EQUIPPED)
• 10.8.6.6. LUBRICATING
• 10.8.7. EVERY 500 HOURS SERVICE
• 10.8.7.1. REPLACE FUEL FILTER CARTRIDGE
• 10.8.7.2. REPLACE TRANSMISSION OIL FILTER ELEMENT
• 10.8.7.3. LUBRICATE CENTER DRIVE SHAFT SPLINE (1 POINT)
• 10.8.8. EVERY 1000 HOURS SERVICE
• 10.8.8.1. CHANGE OIL IN TRANSMISSION CASE, CLEAN STRAINER
• 10.8.8.2. CLEAN TRANSMISSION CASE BREATHER
• 10.8.8.3. LUBRICATING
• 10.8.8.4. CHECK TIGHTENING PARTS OF TURBOCHARGER
• 10.8.8.5. CHECK PLAY OF TURBOCHARGER ROTOR
• 10.8.8.6. REPLACE CORROSION RESISTOR CARTRIDGE
• 10.8.8.7. CHECK FAN BELT TENSION AND REPLACE FAN BELT
• 10.8.9. EVERY 2000 HOURS SERVICE
• 10.8.9.1. CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC TANK FILTER ELEMENT
• 10.8.9.2. REPLACE HYDRAULIC TANK BREATHER ELEMENT
• 10.8.9.3. CHANGE AXLE OIL
• 10.8.9.4. CHECK BRAKE DISC WEAR
• 10.8.9.5. CHECK ALTERNATOR, STARTING MOTOR
• 10.8.9.6. CHECK ENGINE VALVE CLEARANCE, ADJUST
• 10.8.9.7. CHECK VIBRATION DAMPER
• 10.8.9.8. REPLACE ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER, FRESH AIR FILTER
• 10.8.9.9. CLEAN AND CHECK TURBOCHARGER
• 10.8.10. EVERY 4000 HOURS SERVICE
• 10.8.10.1. CHECK WATER PUMP
• 11. SPECIFICATIONS
• 11.1. SPECIFICATIONS
• 12. OPTIONS, ATTACHMENTS
• 12.1. OPTIONAL PARTS AND ATTACHMENTS
• 12.2. SELECTING BUCKETS AND TIRES
• 12.3. CAR RADIO
• 12.3.1. EXPLANATION OF COMPONENTS
• 12.3.2. METHOD OF USE
• 12.3.3. PRECAUTIONS WHEN USING RADIO
• 12.4. AIR CONDITIONER
• 12.4.1. GENERAL LOCATIONS AND FUNCITON OF CONTROL PANEL
• 12.4.2. METHOD OF OPERATION
• 12.4.3. COOL BOX
• 12.5. HANDLING E.C.S.S. (ELECTRONIC CONTROLLED SUSPENSION SYSTEM)
• 12.5.1. STRUCTURE AND FUNCTION OF E.C.S.S.
• 12.5.2. METHOD OF OPERATING E.C.S.S.
• 12.5.3. PRECAUTIONS WHEN OPERATING E.C.S.S. SWITCH
• 12.5.4. PRECAUTIONS WHEN HANDLING ACCUMULATOR
• 12.6. HANDLING AUTOMATIC SHIFT
• 12.6.1. EXPLANATION OF COMPONENTS
• 12.6.2. AUTOMATIC SHIFT