Komatsu Mini Excavator PC80MR-3 service & repair manual

Description Komatsu Mini Excavator PC80MR-3 service & repair manual

Komatsu Mini Excavator PC80MR-3 pdf workshop service repair manual + operation & maintenance manual

Serial number F00003 and up

MANUAL CONTENT:
STRUCTURE AND FUNCTION
POWER TRAIN
SWING CIRCLE
SWING MACHINERY
TRACK FRAME AND IDLER CUSHION
IDLER
TRACK ROLLER
CARRIER ROLLER
SPROCKET
TRACK SHOE
SHOES
RUBBER SHOE
SWIVEL JOINT
TRAVEL MOTOR
WORK EQUIPMENT CYLINDER
SOLENOID VALVE GROUP
CONTROL VALVE
CLSS
SWING MOTOR
ATTACHMENT
TRAVEL PPC VALVE
BLADE, BOOM SWING, 2-PIECE BOOM PPC VALVES
EQUIPMENT

TESTING AND ADJUSTMENT
NORMAL OR STANDARD TECHNICAL DATA
PUMP FEATURES
CHECK POSITIONS
SPECIAL TOOLS
MEASURING THE ENGINE SPEED
CHECKING THE EXHAUST SMOKE COLOUR
REMOVAL OF VALVES COVER
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
CHECKING ENGINE OIL PRESSURE
CHECKING AND REGULATING PRESSURE IN THE HYDRAULIC CIRCUITS
CHECKING AND CALIBRATING PRESSURE IN THE SECONDARY VALVES
CHECKING AND ADJUSTING THE LS (Load Sensing) VALVE
ADJUSTING PC VALVE
CHECKING SERVO-CONTROL CIRCUIT PRESSURE
CHECKING PPC VALVE DELIVERY PRESSURE
CHECKING SOLENOID VALVE OUTPUT PRESSURE
ADJUSTING BOOM SAFETY VALVE
SAFETY PRESSURE SWITCH CALIBRATION
ADJUSTING PPC VALVE CLEARANCE
MEASURING TRAVEL DEVIATION
CHECKING TRAVEL SPEED
ANALYSIS OF THE CAUSES OF HYDRAULIC DRIFTS
METHODS FOR TESTING FOR LEAKAGES INSIDE THE SWIVEL JOINT
ELIMINATING PRESSURES FROM CIRCUITS
MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS
TESTING AND ADJUSTING TRACK SHOE TENSION
AIR BLEEDING FROM HYDRAULIC CIRCUITS
TESTING THE AIR-CONDITIONING UNIT
EMPTYING THE AIR-CONDITIONING UNIT

REMOVAL AND INSTALLATION
PRECAUTIONS TO BE TAKEN WHILE WORKING
SPECIAL TOOLS
COUNTERWEIGHT
INJECTION PUMP
ENGINE HEAD
PUMP GROUP
GEAR-PUMP
ENGINE - PUMPS
COMPLETE RADIATOR AND AIR CONDITIONING
CONDENSER
SWING MOTOR AND REDUCTION GEAR
SWING MOTOR
SWING REDUCTION GEAR
SWIVEL JOINT
CONTROL VALVE
LH PPC VALVE
R.H. PPC VALVE
EQUIPMENT PPC VALVES
TRAVEL PPC VALVE
ADDITIONAL EQUIPMENT AND BOOM SWING PPC VALVE
BLADE PPC VALVE
ACCELERATOR POTENTIOMETER
CONTROLLER
SAFETY MICROSWITCH
HYDRAULIC OIL TANK
FUEL TANK
CONTROL MODULES (MACHINE - ENGINE - KOMTRAX)
EVAPORATOR UNIT
CABIN
SWING CIRCLE
REVOLVING FRAME
EQUIPMENT (1-piece boom version)
BOOM CYLINDER (For 1-piece boom)
ARM CYLINDER
BUCKET CYLINDER
BOOM SWING CYLINDER
BLADE CYLINDER
CYLINDERS
SWING SUPPORT
STEEL SHOES
RUBBER SHOES
SPROCKET
COMPLETE TRAVEL ASSEMBLY
TRACK SHOE IDLER
BUMPER SPRING
LOWER IDLER ROLLERS

ELECTRIC DIAGRAM
HYDRAULIC DIAGRAM
SCHEMATICS