Komatsu Bulldozer D31EX-21 D31PX-21 D37EX-21 D37PX-21 D39EX-21 D39PX-21 service manual

Description Komatsu Bulldozer D31EX-21 D31PX-21 D37EX-21 D37PX-21 D39EX-21 D39PX-21 service manual

Komatsu Bulldozer D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 pdf workshop service manual + operation & maintenance manual

Serial numbers:
D31EX-21, D31PX-21 50501 and up
D37EX-21, D37PX-21 5501 and up
D39EX-21, D39PX-21 1501 and up

Specifications, testing, troubleshooting, maintenance, technical data, 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
DAMPER
HST HYDRAULIC EQUIPMENT ARRANGEMENT DIAGRAM
STEERING, BRAKE CONTROL
SOLENOID VALVE
TOWING VALVE
FINAL DRIVE
HST PUMP
SAFETY-SUCTION VALVE
CHARGE SAFETY VALVE
CHARGE PUMP
TOWING VALVE
HST MOTOR
ELECTRIC LEVER (FOR STEERING)
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
PPC LOCK VALVE
ACCUMULATOR
HYDRAULIC PUMP
WORK EQUIPMENT CYLINDER
CONTROL VALVE
CLSS
PPC VALVE
WORK EQUIPMENT
CUTTING EDGE, END BIT
RIPPER
CAB RELATED
ENGINE CONTROL
HST CONTROL SYSTEM
GEAR SHIFT CONTROL SYSTEM
PARING BRAKE CONTROL SYSTEM
COMPONENT EQUIPMENT OF SYSTEM
MONITOR SYSTEM
MONITOR PANEL
SENSORS

TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
TESTING AND ADJUSTING
LIST OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
SKETCH OF SPECIAL TOOL
MEASURING ENGINE SPEED
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
MEASURING EXHAUST TEMPERATURE
MEASURING EXHAUST GAS COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
MEASURING ENGINE OIL PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
BLEEDING AIR FROM FUEL CIRCUIT
ADJUSTING ENGINE STOP SOLENOID LINKAGE
ADJUSTING ENGINE SPEED SENSOR
REPLACEMENT OF FAN BELT
TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION (WITH CAB)
ADJUSTING FUEL CONTROL LEVER AND DECELERATOR PEDAL
TESTING AND ADJUSTING HST OIL PRESSURE
MEASURING HST SOLENOID VALVE OUTLET PRESSURE
TESTING TRAVEL DEVIATION
ADJUSTING HST MOTOR SPEED SENSOR
ADJUSTING PARKING BRAKE LEVER
PROCEDURE OF SIMPLE TEST OF BRAKE PERFORMANCE
ADJUSTING BRAKE PEDAL LINKAGE
METHOD OF RELEASING PARKING BRAKE (PROCEDURE FOR EMERGENCY ESCAPE)
TESTING AND ADJUSTING IDLER CLEARANCE
TESTING AND ADJUSTING TRACK SHOE TENSION
TESTING AND ADJUSTING WORK EQUIPMENT OIL PRESSURE
MEASURING WORK EQUIPMENT PPC VALVE OUTPUT PRESSURE
ADJUSTING PLAY OF WORK EQUIPMENT PPC VALVE
ADJUSTING WORK EQUIPMENT LOCK LEVER
MEASURING LEAKAGE IN WORK EQUIPMENT CYLINDER
RELEASING RESIDUAL PRESSURE IN HYDRAULIC CIRCUIT
BLEEDING AIR FROM HYDRAULIC CIRCUIT
ADJUSTING PLAY OF BLAD CENTER BALL
PROCEDURE FOR TESTING DIODES
SPECIAL FUNCTIONS OF MONITOR PANEL (EMMS)
PREPARATION WORK FOR TROUBLESHOOTING FOR ELECTRIC SYSTEM
PM-CLINIC

TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
HANDLING OF ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENT
CHECKS BEFORE TROUBLESHOOTING
CLASSIFICATION AND PROCEDURE FOR TROUBLESHOOTING
CONNECTOR ARRANGEMENT DRAWING AND ELECTRIC CIRCUIT DIAGRAM OF EACH SYSTEM
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE
TROUBLESHOOTING WHEN ERROR CODE IS DISPLAYED
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
TROUBLESHOOTING OF ENGINE (S MODE)

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

OTHERS
HYDRAULIC CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM
AIR CONDITIONER CIRCUIT DIAGRAM

Engine SAA4D102E-2 workshop service manual