Komatsu Mini Excavator PC24MR-5 PC26MR-5 service & repair manual

Description Komatsu Mini Excavator PC24MR-5 PC26MR-5 service & repair manual

Komatsu Mini Excavator PC24MR-5, PC26MR-5 pdf workshop service repair manual

Serial numbers:
PC24MR-5 25001 and up, F20001 and up
PC26MR-5 23001 and up, F10001 and up

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

SERVICE MANUAL CONTENT:
INDEX AND FOREWORD
FOREWORD, SAFETY, BASIC INFORMATION
HOW TO READ THE SHOP MANUAL
SAFETY NOTICE FOR OPERATION
PRECAUTIONS TO PREVENT FIRE
ACTIONS IF FIRE OCCURS
PRECAUTIONS WHEN YOU DISPOSE OF WASTE MATERIALS
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT
PRECAUTIONS WHEN YOU DISCONNECT AND CONNECT PIPINGS
PRECAUTIONS WHEN YOU HANDLE ELECTRICAL EQUIPMENT
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT
PRACTICAL USE OF KOMTRAX
DISCONNECT AND CONNECT PUSHPULL TYPE COUPLER
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE
STANDARD TIGHTENING TORQUE TABLE
CONVERSION TABLE
ABBREVIATION LIST

SPECIFICATION
SPECIFICATION DRAWING
WORKING RANGE DRAWINGS
WEIGHT TABLE
FUEL, COOLANT, LUBRICANT

STRUCTURE AND FUNCTION
BOOT-UP SYSTEM
LAYOUT DRAWING OF BOOT-UP SYSTEM
SYSTEM OPERATING LAMP SYSTEM
BATTERY DISCONNECT SWITCH
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE SYSTEM
ENGINE CONTROL SYSTEM
ENGINE SYSTEM
COOLING SYSTEM
LAYOUT DRAWING OF COOLING SYSTEM
CONTROL SYSTEM
LAYOUT DRAWING OF CONTROL SYSTEM
MACHINE MONITOR SYSTEM
KOMTRAX SYSTEM
CONTROL SYSTEM
HYDRAULIC SYSTEM
LAYOUT DRAWING OF HYDRAULIC SYSTEM
CLSS
HYDRAULIC SYSTEM
WORK EQUIPMENT SYSTEM
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
STRUCTURE OF VALVE CONTROL
PPC LOCK SYSTEM
WORK EQUIPMENT DOUBLE LOCK SYSTEM
WORK EQUIPMENT SYSTEM
SWING SYSTEM
LAYOUT DRAWING OF SWING SYSTEM
SWING SYSTEM
TRAVEL SYSTEM
LAYOUT DRAWING OF TRAVEL SYSTEM
SYSTEM DIAGRAM OF TRAVEL CONTROL SYSTEM
TRAVEL SYSTEM
UNDERCARRIAGE AND FRAME
LAYOUT DRAWING OF UNDERCARRIAGE
SPECIFICATIONS OF UNDERCARRIAGE
IDLER CUSHION
WORK EQUIPMENT
STRUCTURE OF WORK EQUIPMENT
FUNCTION OF WORK EQUIPMENT
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM
CAB RELATED PARTS
ROPS CAB

STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR ENGINE: PC24MR-5
STANDARD VALUE TABLE FOR ENGINE: PC26MR-5
STANDARD VALUE TABLE FOR MACHINE
STANDARD VALUE TABLE FOR MACHINE: PC24MR-5
STANDARD VALUE TABLE FOR MACHINE: PC26MR-5
GEAR PUMP: PC24MR-5
PISTON PUMP: PC24MR-5
GEAR PUMP: PC26MR-5
PISTON PUMP: PC26MR-5
MACHINE POSTURE AND PROCEDURES TO MEASURE PERFORMANCE

TESTING AND ADJUSTING
RELATED INFORMATION ON TESTING AND ADJUSTING
TOOLS FOR TESTING AND ADJUSTING
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
TEST EXHAUST GAS COLOR
CHECK AND ADJUST VALVE CLEARANCE
TEST COMPRESSION PRESSURE
TEST ENGINE OIL PRESSURE
TEST AND ADJUST FUEL INJECTION TIMING
BLEED AIR FROM FUEL SYSTEM
TEST FUEL SYSTEM FOR LEAKAGE
TEST AND ADJUST ALTERNATOR BELT TENSION
POWER TRAIN
TEST SWING CIRCLE BEARING CLEARANCE
UNDERCARRIAGE AND FRAME
TEST AND ADJUST TRACK TENSION
HYDRAULIC SYSTEM
RELEASE PRESSURE REMAINED IN HYDRAULIC CIRCUIT
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, TRAVEL, AND BOOM SWING CIRCUITS
TEST AND ADJUST OIL PRESSURE IN SWING AND BLADE CIRCUITS
TEST AND ADJUST OIL PRESSURE IN CONTROL CIRCUIT
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT
TEST OUTLET PRESSURE IN SOLENOID VALVE
TEST OUTLET PRESSURE IN PPC VALVE
ADJUST PLAY OF WORK EQUIPMENT AND SWING PPC VALVES
TEST RELEASE PRESSURE IN SWING PARKING BRAKE
TEST TRAVEL DEVIATION
TEST THE PARTS WHICH CAUSE HYDRAULIC DRIFT OF WORK EQUIPMENT
TEST OIL LEAKAGE
BLEED AIR FROM HYDRAULIC SYSTEM
PRESSURIZE HYDRAULIC TANK
ELECTRICAL SYSTEM
START UP KOMTRAX TERMINAL
STOP USING OF KOMTRAX TERMINAL (MACHINE WITH KOMTRAX TERMINAL)
DISPLAY OF KOMTRAX TERMINAL LAMPS
BATTERY DISCONNECT SWITCH
TEST DIODES
PmCLINIC
Pm CLINIC SERVICE

TROUBLESHOOTING
RELATED INFORMATION FOR TROUBLESHOOTING
GENERAL TROUBLESHOOTING POINTS
SEQUENCE OF EVENTS IN TROUBLESHOOTING
CHECKS BEFORE TROUBLESHOOTING
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
TEST IN ACCORDANCE WITH TESTING PROCEDURE
PREPARATION TO TROUBLESHOOT ELECTRICAL SYSTEM
PROCEDURE FOR TROUBLESHOOTING
SYMPTOM AND TROUBLESHOOTING NUMBERS
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
CONNECTOR LIST AND LAYOUT (CANOPY SPECIFICATION)
CONNECTOR LIST AND LAYOUT (CAB SPECIFICATION)
CONNECTOR CONTACT IDENTIFICATION
T-BRANCH BOX AND TBRANCH ADAPTER TABLE
FUSE LOCATION TABLE
TABLE OF FAILURE CODE AND USER CODE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H-MODE)
TROUBLESHOOTING OF ENGINE (S-MODE)

DISASSEMBLY AND ASSEMBLY
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
COATING MATERIALS LIST
SPECIAL TOOLS LIST
ENGINE AND COOLING SYSTEM
DRAIN AND ADD COOLANT
DRAIN AND ADD HYDRAULIC OIL
REMOVE AND INSTALL RADIATOR ASSEMBLY
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY
REMOVE AND INSTALL FUEL TANK ASSEMBLY
POWER TRAIN
REMOVE AND INSTALL TRAVEL MOTOR ASSEMBLY
REMOVE AND INSTALL SWING MOTOR ASSEMBLY
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY
UNDERCARRIAGE AND FRAME
DISASSEMBLE AND ASSEMBLE RECOIL SPRING ASSEMBLY
REMOVE AND INSTALL TRACK ASSEMBLY
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY
HYDRAULIC SYSTEM
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY
REMOVE AND INSTALL MAIN PUMP ASSEMBLY
WORK EQUIPMENT
REMOVE AND INSTALL BLADE ASSEMBLY
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY
REMOVE AND INSTALL BOOM ANTIDROP VALVE ASSEMBLY
REMOVE AND INSTALL ARM ANTIDROP VALVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE ANTIDROP VALVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY
CAB RELATED PARTS
REMOVE AND INSTALL OPERATOR CAB ASSEMBLY
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS)
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY
REMOVE AND INSTALL OPERATORS SEAT
REMOVE AND INSTALL SEATBELT
ELECTRICAL SYSTEM
REMOVE AND INSTALL MACHINE CONTROLLER ASSEMBLY
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY

MAINTENANCE STANDARD
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
ENGINE AND COOLING SYSTEM
MAINTENANCE STANDARD OF ENGINE MOUNT
MAINTENANCE STANDARD OF PTO
MAINTENANCE STANDARD OF COOLING SYSTEM
POWER TRAIN
MAINTENANCE STANDARD OF SWING CIRCLE
MAINTENANCE STANDARD OF SPROCKET
UNDERCARRIAGE AND FRAME
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION
MAINTENANCE STANDARD OF IDLER
MAINTENANCE STANDARD OF TRACK ROLLER
MAINTENANCE STANDARD OF TRACK SHOE
MAINTENANCE STANDARD OF DOUBLE SHOE
MAINTENANCE STANDARD OF RUBBER SHOE
HYDRAULIC SYSTEM
MAINTENANCE STANDARD OF HYDRAULIC TANK
MAINTENANCE STANDARD OF MAIN PUMP
MAINTENANCE STANDARD OF SWING MOTOR
MAINTENANCE STANDARD OF TRAVEL MOTOR
MAINTENANCE STANDARD OF CONTROL VALVE
MAINTENANCE STANDARD OF ANTIDROP VALVE OF BOOM
MAINTENANCE STANDARD OF ANTIDROP VALVE OF ARM
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE
MAINTENANCE STANDARD OF BLADE PPC VALVE
MAINTENANCE STANDARD OF BOOM SWING PPC VALVE
MAINTENANCE STANDARD OF TRAVEL PPC VALVE
MAINTENANCE STANDARD OF ATTACHMENT PPC VALVE
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT
WORK EQUIPMENT
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE
DIMENSIONS OF ARM
DIMENSIONS OF BUCKET
MAINTENANCE STANDARD OF BOOM CYLINDER
MAINTENANCE STANDARD OF ARM CYLINDER
MAINTENANCE STANDARD OF BUCKET CYLINDER
MAINTENANCE STANDARD OF BLADE CYLINDER
MAINTENANCE STANDARD OF BOOM SWING CYLINDER

CIRCUIT DIAGRAMS
HOW TO READ THE CODES FOR ELECTRIC CABLE
HYDRAULIC CIRCUIT DIAGRAM
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC CIRCUIT DIAGRAM (AT BOOM RAISE OPERATION)
HYDRAULIC CIRCUIT DIAGRAM (AT LEFT SWING OPERATION)
HYDRAULIC CIRCUIT DIAGRAM (AT BOOM RAISE AND LEFT SWING OPERATION)
ELECTRICAL CIRCUIT DIAGRAM
SYMBOLS USED IN ELECTRIC CIRCUIT DIAGRAM

Engine 3D76E-6 workshop service repair manual