Komatsu WA1200-3 Wheel Loader Operation and Maintenance Manual (EEAM027701)
Running a WA1200-3 in a hard rock pit or big mining face, you’re pushing this loader at full breakout all day, often in dust, heat, and rough underfoot conditions. This Operation and Maintenance Manual is what I use to set a steady service rhythm so the machine doesn’t surprise us with downtime. It walks you through how to operate it without abusing the drivetrain, and how to schedule inspections so you catch things like early bucket linkage wear or cooling issues before they strand you on the bench.
Applications & Use Cases
- Plan preventive maintenance so filters, joints, and key systems are checked and serviced before they become failures.
- Set a daily/weekly inspection routine for operators to spot leaks, loose hardware, and abnormal noises.
- Trace performance issues like sluggish lift or overheating back to likely causes before calling in major repairs.
- Verify correct operating practices for new operators to avoid shock-loading, over-travel, or improper shutdowns.
- Coordinate parts ordering around upcoming services to keep the loader available during peak production.
FAQ
Q: Can I keep this manual on a tablet in the service truck?
A: Yes, it’s practical to use digitally so you can zoom diagrams and search terms while you’re at the machine.
Q: Is it worth printing sections of this manual?
A: Printing the routine checks and service schedules is handy for posting in the workshop or cab as quick-reference.
Safety Note
Always follow the manual’s safety procedures and lockout steps before inspecting or servicing any system.
📘 Show Index
Komatsu WA1200-3 Wheel Loader Index:
- FOREWORD
- FOREWORD
- SAFETY INFORMATION
- Noise emission levels
- Vibration levels
- INTRODUCTION
- FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE
- VISIBILITY FROM OPERATOR’S SEAT
- NECESSARY INFORMATION
- PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE
- ENGINE SERIAL NO. PLATE AND POSITION
- POSITION OF SERVICE METER
- TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
- MACHINE SERIAL NUMBER PLATE
- FOREWORD
- SAFETY
- OPERATION
- MAINTENANCE
- SPECIFICATIONS
- ATTACHMENTS, OPTIONS
- INDEX
- COLOPHON
- SAFETY
- SAFETY
- SAFETY LABELS
- LOCATION OF SAFETY LABELS
- GENERAL PRECAUTIONS
- PRECAUTIONS FOR OPERATION
- STARTING ENGINE
- OPERATION
- TRANSPORTATION
- BATTERY
- TOWING
- PRECAUTIONS FOR MAINTENANCE
- PRECAUTIONS WITH TIRES
- OPERATION
- GENERAL VIEW
- GENERAL VIEW OF MACHINE
- GENERAL VIEW OF CONTROLS AND GAUGES
- EXPLANATION OF COMPONENTS
- MACHINE MONITOR
- SWITCHES
- SWITCHES (MULTI MONITOR)
- CONTROL LEVERS, PEDALS, KNOBS
- BATTERY DISCONNECT SWITCH (when installed)
- CAP WITH LOCK
- FRAME LOCK BAR
- TOWING PIN
- FUEL STOP KNOB
- BACKUP ALARM
- CAB DOOR OPEN LOCK
- TOOL BOX
- FUSE
- SLOW BLOW FUSE
- LUNCH BOX TRAY
- POWER OUTLET
- AM/FM RADIO-CASSETTE STEREO
- AIR CONDITIONER
- PRECAUTIONS WHEN HANDLING ACCUMULATOR
- OPERATION
- CHECK BEFORE STARTING ENGINE, ADJUST
- STARTING ENGINE
- OPERATIONS AND CHECKS AFTER STARTING ENGINE
- STOPPING ENGINE
- CHECK AFTER STOPPING ENGINE
- MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE
- TURNING
- OPERATION OF WORK EQUIPMENT
- WORK POSSIBLE USING WHEEL LOADER
- PRECAUTIONS FOR OPERATION
- ADJUSTING WORK EQUIPMENT POSTURE
- PARKING MACHINE
- CHECKS AFTER COMPLETION OF OPERATION
- LOCKING
- HANDLING THE TIRES
- OPERATION OF MULTI MONITOR
- OPERATING AUTO-GREASING SYSTEM
- TRANSPORTATION
- TRANSPORTATION PROCEDURE
- LOADING, UNLOADING WORK
- METHOD OF SECURING MACHINE
- COLD WEATHER OPERATION
- PRECAUTIONS FOR LOW TEMPERATURE
- PRECAUTIONS AFTER COMPLETION OF WORK
- AFTER COLD WEATHER
- WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER
- LONG-TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- TROUBLESHOOTING
- WHEN MACHINE RUNS OUT OF FUEL
- METHOD OF TOWING MACHINE
- IF BATTERY IS DISCHARGED
- OTHER TROUBLE
- MAINTENANCE
- GUIDES TO MAINTENANCE
- OUTLINES OF SERVICE
- HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC
- OUTLINE OF ELECTRIC SYSTEM
- WEAR PARTS
- RECOMMENDED FUEL, COOLANT, AND LUBRICANT
- USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
- RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL
- STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
- PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
- MAINTENANCE SCHEDULE CHART
- MAINTENANCE SCHEDULE CHART
- SERVICE PROCEDURE
- INITIAL 250 HOURS SERVICE
- WHEN REQUIRED
- CHECK BEFORE STARTING
- EVERY 50 HOURS SERVICE
- EVERY 100 HOURS SERVICE
- EVERY 250 HOURS SERVICE
- EVERY 500 HOURS SERVICE
- EVERY 1000 HOURS SERVICE
- EVERY 1500 HOURS SERVICE
- EVERY 2000 HOURS SERVICE
- EVERY 10000 HOURS SERVICE
- SPECIFICATIONS
- ATTACHMENTS, OPTIONS
- SELECTING BUCKET AND TIRES
- STARTING IN COLD AREAS
- SERVICE CENTER
- SIZE OF SCREWS USED IN SERVICE CENTER
- LOCATION OF SWITCHING VALVES FOR REFILLING WITH OIL AND COOLANT AND DRAINING
- EMERGENCY ENGINE STOP SWITCH
- CENTRALIZED BREATHER
- HYDRAULIC OIL LEVEL WARNING DISPLAY
- INDEX
- <A>
- <B>
- <C>
- <E>
- <F>
- <G>
- <H>
- <I>
- <L>
- <M>
- <N>
- <O>
- <P>
- <R>
- <S>
- <T>
- <W>
- COLOPHON
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