Komatsu GD825A-2 (SN from 11001) Motor Graders (Japan) Workshop Manual (SEBM002308)

Illustrated factory Workshop Manual for Komatsu Motor Graders Models GD825A-2.

This manual will assist you in diagnosing, repairing, and adjusting for your motor grader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models (Japan):
   GD825A-2 (SN: 11001-)

Format: PDF, 926 pages
Language: English
Table of Contents:
   GENERAL
      SPECIFICATION DIMENSION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL, COOLANT AND LUBRICANTS
   STRUCTURE AND FUNCTION
      GENERAL
      POWER TRAIN DIAGRAM
      JOINT
      HYDROSHIFT TRANSMISSION AND TRANSFER PIPING
      HYDRAULIC CIRCUIT FOR POWER TRAIN
      HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN
      PTO (POWER TAKE OFF)
      HYDROSHIFT TRANSMISSION AND TRANSFER
      TRANSMISSION CONTROL VALVE
      TRANSMISSION CONTROL
      INCHING CONTROL
      DRIVE SHAFT
      FINAL DRIVE, DIFFERENTIAL LOCK AND UNLOCK PIPING
      FINAL DRIVE
      TANDEM DRIVE
      STEERING PIPING
      STEERING CIRCUIT SYSTEM
      STEERING CIRCUIT DIAGRAM
      STEERING VALVE
      DOUBLE RELIEF VALVE
      CHECK VALVE
      EMERGENCY STEERING SYSTEM
      FRONT AXLE
      WHEEL
      DISC BRAKE
      PARKING BRAKE
      BRAKE AIR PIPING
      BRAKE AIR CIRCUIT SYSTEM
      BRAKE AIR CIRCUIT DIAGRAM
      AIR DRIER
      AIR GOVERNOR
      AIR TANK
      SAFETY VALVE
      AUTOMATIC DRAIN VALVE
      CHECK VALVE
      BRAKE VALVE
      PARKING BRAKE SYSTEM
      PARKING BRAKE SOLENOID VALVE
      EXHAUST VALVE
      SPRING CYLINDER
      HYDRAULIC CONTROL PIPING
      HYDRAULIC CIRCUIT SYSTEM
      HYDRAULIC CIRCUIT DIAGRAM
      CLOSED CENTER LOAD SENSING SYSTEM (CLSS)
      HYDRAULIC PUMP
      PRIORITY FLOW DIVIDER VALVE
      SURGE PRESSURE ABSORBING VALVE
      HYDRAULIC CONTROL VALVE
      PRESSURE COMPENSATING MECHANISM OF HYDRAULIC CONTROL VALVE
      BLADE LIFT SPEED ADJUSTMENT MECHANISM
      PILOT CHECK VALVE
      PILOT CHECK VALVE (WITH SAFETY VALVE)
      CIRCLE ROTATION MOTOR
      BLADE ACCUMULATOR SYSTEM
      BLADE FLOAT SYSTEM
      DRAWBAR AND LIFTER
      BLADE
      LIFTER BRACKET CONTROL PIPING
      CIRCLE ROTATION GEAR
      REAR MOUNT RIPPER
      HYDRAULIC CONTROL LINKAGE
      MAIN FRAME
      AIR CONDITIONER
      ELECTRICAL WIRING DIAGRAM
      MONITOR PANEL, CLUSTER GAUGE AND PILOT LAMP
      ELECTRICAL CIRCUIT DIAGRAM
      ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS)
      TRANSMISSION CONTROL SYSTEM
      SENSORS
      ENGINE STARTING CIRCUIT
      ENGINE STOPPING CIRCUIT
   TESTING AND ADJUSTING
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS
      TOOL LIST FOR TESTING AND ADJUSTING
      TESTING AND ADJUSTING VALVE CLEARANCE
      MEASURING COMPRESSION PRESSURE
      TESTING AND ADJUSTING FUEL INJECTION TIMING
      MEASURING BLOW-BY PRESSURE
      MEASURING ENGINE OIL PRESSURE
      MEASURING EXHAUST GAS COLOR
      MEASURING EXHAUST GAS TEMPERATURE
      MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
      TESTING AND ADJUSTING BELT TENSION
      PROCEDURE FOR ADJUSTING THE ENGINE STOP MOTOR CABLE
      ADJUSTING ACCELERATOR CONTROL
      INCHING PEDAL TRAVEL AND OPERATING FORCE
      MEASURING TRANSMISSION OIL PRESSURE
      CHECKING DIFFERENTIAL LOCKING DEVICE OIL PRESSURE
      STEERING SYSTEM
      CHECKING TIRE RUNOUT
      CHECKING AIR PRESSURE OF TIRE
      CHECKING TOE-IN
      INSTALLATION OF ARTICULATE CENTER PINS
      CHECKING WEAR OF BRAKE DISC
      CHECKING PARKING BRAKE
      CHECKING WORK EQUIPMENT CONTROL LEVER TRAVEL AND OPERATING FORCE
      CHECKING HYDRAULIC OIL TEMPERATURE
      CHECKING WORK EQUIPMENT HYDRAULIC PRESSURE
      ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
      MEASURING HYDRAULIC DRIFT
      CHARGING BLADE ACCUMULATOR WITH GAS
      ADJUSTING BLADE LIFT SPEED
      BLEEDING AIR FROM HYDRAULIC PUMP
      ADJUSTING SLIP LOAD OF CIRCLE ROTATION CLUTCH
      ADJUSTING CLEARANCE OF F AND R SWITCHES
      ADJUSTING SHIFT POTENTIOMETER
      ADJUSTING INCHING POTENTIOMETER
      ADJUSTING SPEEDOMETER MODULE OF MACHINE MONITOR
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      HOW TO READ THIS MANUAL
      COATING MATERIALS LIST
      SPECIAL TOOL LIST
      STARTING MOTOR
      ALTERNATOR
      NOZZLE HOLDER
      FUEL INJECTION PUMP
      WATER PUMP
      ENGINE OIL COOLER CORE
      TURBOCHARGER
      AIR COMPRESSOR
      CYLINDER HEAD
      ENGINE (INCL. TRANSMISSION)
      RADIATOR
      FUEL TANK
      PTO
      TRANSMISSION
      TRANSFER
      TRANSMISSION CONTROL VALVE
      HYDROSHIFT TRANSMISSION PUMP
      TANDEM AND FINAL DRIVE
      FINAL DRIVE
      BEVEL GEAR
      BEVEL PINION
      FRONT AXLE
      STEERING VALVE
      WHEEL BRAKE
      AIR TANK
      HYDRAULIC TANK
      HYDRAULIC PUMP
      HYDRAULIC CONTROL VALVE
      MAIN CONTROL VALVE
      CIRCLE ROTATION MOTOR
      DRAWBAR SHIFT CYLINDER, BLADE LIFT CYLINDER, LIFTER GUIDE
      ARTICULATE CYLINDER
      REAR MOUNT RIPPER CYLINDER
      HYDRAULIC CYLINDER Serial No.: 11001 - 12502
      HYDRAULIC CYLINDER Serial No.: 12503 and up
      CIRCLE ROTATION GEAR AND HYDRAULIC OIL MOTOR
      BLADE
      CIRCLE AND DRAWBAR
      REAR MOUNT RIPPER
      METHOD LIFTING UP ROPS CAB
      INSTALLATION OF ROPS
      ROPS CAB
      DISCONNECTION AND CONNECTION OF ARTICULATE SECTION Serial No.: 11001 - 12502
      DISCONNECTION AND CONNECTION OF ARTICULATE SECTION Serial No.: 12503 and up
   MAINTENANCE STANDARD
      HYDROSHIFT TRANSMISSION AND TRANSFER
      TRANSMISSION PUMP
      TRANSMISSION CONTROL VALVE
      TRANSMISSION SOLENOID VALVE
      FINAL DRIVE
      DIFFERENTIAL LOCK-UP PUMP
      TANDEM DRIVE
      FRONT AXLE
      STEERING CYLINDER
      DISC BRAKE
      PARKING BRAKE
      SPRING CYLINDER
      HYDRAULIC CONTROL VALVE
      HYDRAULIC CYLINDER
      HYDRAULIC PUMP
      DRAWBAR AND LIFTER
      BLADE
      CIRCLE ROTATION GEAR
      RIPPER
      FRAME