Komatsu GD825A-2E0 Motor Grader Operation and Maintenance Manual (PEN00627-04)
Running a GD825A-2E0 grader all day on haul roads, cuts, and big pads is hard on the machine, especially in dusty, uneven jobsites. This Operation and Maintenance Manual is what I’d keep on hand to set a solid service rhythm, so the grader stays tight and predictable under load. When, for example, the blade starts chattering or steering feels loose, I’d use this book to walk through the right inspection order before anything fails and costs you a shift.
Applications & Use Cases
- Plan preventive maintenance so filters, joints, and wear points get attention before they cause breakdowns.
- Set a consistent service routine for operators and mechanics, reducing guesswork between shifts.
- Trace early signs of wear in the moldboard, circle, and articulation joints before they turn into major repairs.
- Verify correct start‑up and shutdown habits to protect the powertrain and hydraulics in tough conditions.
- Minimize downtime by using the manual as a checklist when the machine behaves differently under load.
FAQ
Q: Can I keep a digital copy of this manual on a tablet in the service truck?
A: Yes, that’s ideal; you can zoom diagrams, search quickly, and keep it clean and accessible on site.
Q: Is it worth printing sections of this manual?
A: Many techs print the key maintenance pages and laminate them for quick reference in the workshop or container.
Safety Note
Always follow the manual’s safety guidance and lockout procedures before inspecting or servicing the grader.
📘 Show Index
Komatsu GD825A-2E0 Motor Grader Index:
- COVER
- FOREWORD
- FOREWORD
- SAFETY INFORMATION
- INTENDED USE
- LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
- PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE
- ENGINE SERIAL NO. PLATE POSITION
- SERVICE METER POSITION
- TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
- CONTENTS
- SAFETY
- SAFETY INFORMATION
- SAFETY LABELS
- POSITION FOR ATTACHING SAFETY LABELS
- SAFETY LABELS
- GENERAL PRECAUTIONS
- PRECAUTIONS DURING 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
- MONITOR PANEL
- METERS AND LAMPS
- SWITCHES
- CONTROL LEVERS, PEDALS
- DUST INDICATOR
- ARTICULATE LOCK PIN
- FUSE BOX
- HANDLING BATTERY DISCONNECT SWITCH
- OPERATOR’S CAB LIFT MECHANISM
- BACKUP ALARM
- TOOL BAG
- STORAGE BOX
- QUICK-FILL FUEL FILLER
- OPERATION
- CHECK BEFORE STARTING ENGINE
- STARTING ENGINE
- OPERATIONS, CHECKS AFTER STARTING ENGINE
- STOPPING ENGINE
- CHECK AFTER STOPPING ENGINE
- TRAVELING POSTURE FOR MACHINE
- MOVING MACHINE OFF (FORWARD, REVERSE, SHIFTING GEAR), STOPPING
- TURNING MACHINE
- OPERATING WORK EQUIPMENT
- WORK WHICH CAN BE CARRIED OUT USING A MOTOR GRADER
- PRECAUTIONS WHEN OPERATION
- ADJUSTING WORK EQUIPMENT POSTURE
- PARKING MACHINE
- CHECKS AFTER COMPLETION OF OPERATION
- LOCKING
- HANDLING THE TIRES
- HANDLING BLADE ACCUMULATOR
- HANDLING BLADE FLOAT
- TRANSPORTATION
- STEPS FOR TRANSPORTATION
- LOADING, UNLOADING WORK
- PRECAUTIONS FOR LOADING
- COLD WEATHER OPERATION
- PRECAUTIONS FOR LOW TEMPERATURE
- CAUTIONS AFTER COMPLETION OF WORK
- AFTER COLD WEATHER
- LONG-TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- TROUBLESHOOTING
- AFTER RUNNING OUT OF FUEL
- WHEN LEANING PIPING IS DAMAGED
- TOWING THE MACHINE
- IF BATTERY IS DISCHARGED
- LOWERING WORK EQUIPMENT WHEN ENGINE IS STOPPED (RELEASE WORK EQUIPMENT OIL PRESSURE)
- OTHER TROUBLE
- TRANSMISSION CONTROLLER
- MAINTENANCE
- GUIDES TO MAINTENANCE
- OUTLINES OF SERVICE
- HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC
- RELATING TO ELECTRIC SYSTEM
- WEAR PARTS
- USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
- STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
- DEFINED LIFE PARTS
- MAINTENANCE SCHEDULE CHART
- MAINTENANCE SCHEDULE CHART
- SERVICE PROCEDURE
- INITIAL 250 HOURS SERVICE (ONLY AFTER THE FIRST 250 HOURS)
- WHEN REQUIRED
- CHECK BEFORE STARTING
- EVERY 50 HOURS SERVICE
- EVERY 250 HOURS SERVICE
- EVERY 500 HOURS SERVICE
- EVERY 1000 HOURS SERVICE
- EVERY 2000 HOURS SERVICE
- EVERY 4000 HOURS SERVICE
- SPECIFICATIONS
- ATTACHMENTS, OPTIONS
- HANDLING EMERGENCY STEERING DEVICE
- AIR CONDITIONER
- LOCATIONS AND FUNCTIONS OF CONTROL PANEL
- METHOD OF OPERATION
- PRECAUTIONS WHEN USING
- HANDLING AIR-SUSPENSION SEAT
- INDEX
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