Komatsu Bulldozer D31EX-21 D31PX-21 D37EX-21 D37PX-21 service & repair manual

Description Komatsu Bulldozer D31EX-21 D31PX-21 D37EX-21 D37PX-21 service & repair manual

Komatsu Bulldozer D31EX-21, D31PX-21, D37EX-21, D37PX-21 pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
D31EX-21, D31PX-21 50001 and up
D37EX-21, D37PX-21 5001 and up

Specifications, testing, troubleshooting, maintenance, technical documentation, electrical diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
GENERAL
SPECIFICATION DRAWING
SPECIFICATIONS
WEIGHT TABLE
TABLE OF FUEL, COOLANT AND LUBRICANTS

STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
COOLING SYSTEM
ENGINE CONTROL
POWER TRAIN
POWER TRAIN SYSTEM
HST HYDRAULIC EQUIPMENT
ARRANGEMENT DIAGRAM
STEERING, BRAKE CONTROL
DAMPER
SOLENOID VALVE
FINAL DRIVE
HST PUMP
SAFETY-SUCTION VALVE
CUT-OFF VALVE
CHARGE SAFETY VALVE
CHARGE PUMP
HST BRAKE QUICK RETURN CIRCUIT
TOWING VALVE
PARKING BRAKE VALVE
AS VALVE
HST MOTOR
STEERING, DIRECTIONAL PPC VALVE
INCHING VALVE
AUTOMATIC GEARSHIFTING VALVE
FRAME ASSEMBLY
TRACK FRAME, RECOIL SPRING
IDLER
TRACK ROLLER
CARRIER ROLLER
SPROCKET
TRACK SHOE
ARRANGEMENT OF HYDRAULIC
EQUIPMENT FOR WORK
EQUIPMENT
WORK EQUIPMENT CONTROL
HYDRAULIC TANK, FILTER
HYDRAULIC PUMP
WORK EQUIPMENT CYLINDER
CONTROL VALVE
CLSS
WORK EQUIPMENT PPC VALVE
WORK EQUIPMENT
CUTTING EDGE, END BIT
CAB RELATED
SAFETY MECHANISM WHEN
STARTING ENGINE
GEARSHIFT CONTROL SYSTEM
PARKING BRAKE CONTROL SYSTEM
COMPONENT EQUIPMENT OF SYSTEM
MONITOR SYSTEM
SENSORS

TESTING AND ADJUSTING
STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM

TROUBLESHOOTING

DISASSEMBLY AND ASSEMBLY
COATING MATERIALS LIST
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
REMOVAL OF FUEL INJECTION PUMP
INSTALLATION OF FUEL INJECTION
PUMP ASSEMBLY
REMOVAL OF CYLINDER HEAD
INSTALLATION OF CYLINDER HEAD
REMOVAL OF ENGINE FRONT SEAL
INSTALLATION OF ENGINE FRONT SEAL
REMOVAL OF ENGINE REAR SEAL
INSTALLATION OF ENGINE REAR SEAL
REMOVAL OF RADIATOR GUARD
INSTALLATION OF RADIATOR GUARD
DISASSEMBLY OF RADIATOR,
OIL COOLER, AND CHARGE
AIR COOLER ASSEMBLIES
ASSEMBLY OF RADIATOR, OIL COOLER
CHARGE AIR COOLER ASSEMBLIES
REMOVAL OF ENGINE ASSEMBLY
INSTALLATION OF ENGINE ASSEMBLY
REMOVAL OF DAMPER
INSTALLATION OF DAMPER
REMOVAL OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
INSTALLATION OF TRAVEL MOTOR AND
FINAL DRIVE ASSEMBLY
DISASSEMBLY OF TRAVEL MOTOR
AND FINAL DRIVE ASSEMBLY
ASSEMBLY OF TRAVEL MOTOR
AND FINAL DRIVE ASSEMBLY
REMOVAL OF IDLER AND
RECOIL SPRING ASSEMBLY
ASSEMBLY OF RECOIL SPRING
DISASSEMBLY OF IDLER ASSEMBLY
ASSEMBLY OF IDLER ASSEMBLY
DISASSEMBLY OF TRACK ROLLER
ASSEMBLY OF TRACK ROLLER
DISASSEMBLY OF CARRIER ROLLER
ASSEMBLY OF CARRIER ROLLER
SPREADING TRACK SHOE ASSEMBLY
INSTALLATION OF TRACK SHOE
REMOVAL OF HST PUMP ASSEMBLY
INSTALLATION OF HST PUMP ASSEMBLY
REMOVAL OF MAIN CONTROL VALVE
INSTALLATION OF MAIN CONTROL
VALVE ASSEMBLY
DISASSEMBLY OF MAIN CONTROL
VALVE ASSEMBLY
ASSEMBLY OF MAIN CONTROL
VALVE ASSEMBLY
DISASSEMBLY OF HYDRAULIC
CYLINDER ASSEMBLIES
ASSEMBLY OF HYDRAULIC CYLINDER
REMOVAL OF BLADE ASSEMBLY
INSTALLATION OF BLADE ASSEMBLY
REMOVAL OF OPERATOR’S SEAT
FRAME ASSEMBLY
INSTALLATION OF OPERATOR’S SEAT
FRAME ASSEMBLY
REMOVAL OF FUEL TANK ASSEMBLY
INSTALLATION OF FUEL TANK
REMOVAL OF HYDRAULIC TANK
INSTALLATION OF HYDRAULIC TANK

OTHERS
HYDRAULIC CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM

Engine SAA4D102E-2 workshop service manual