Komatsu PC75R-2 (SN from 22E5200763) Crawler Excavators (Italy) Workshop Manual (WEBD004000)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC75R-2.

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

Covered Models (Italy):
   PC75R-2 (SN: 22E5200763-)

Format: PDF, 364 pages
Language: English
Table of Contents:
   LIST OF REVISED PAGES
   SAFETY
   FOREWORD
   HOW TO READ THE SHOP MANUAL
   HOISTING INSTRUCTIONS
   STANDARD TIGHTENING TORQUE
   COATING MATERIALS
   ELECTRIC WIRE CODE
   WEIGHT TABLE
   TABLE OF OIL COOLANT QUANTITIES
   STRUCTURE AND FUNCTION
      P.T.O.
      POWER TRAIN
      TRACK FRAME
      IDLER AND RECOIL SPRING
      CARRIER ROLLER
      TRACK ROLLER
      TRACK SHOE
      SWING CIRCLE
      SWING MACHINERY
      HYDRAULIC CIRCUIT DIAGRAM (STANDARD)
      HYDRAULIC CIRCUIT DIAGRAM (2-PIECE BOOM)
      HYDRAULIC PUMP
      SPOOL CONTROL VALVE (STANDARD)
      SPOOL CONTROL VALVE (STANDARD+2-PIECE BOOM)
      SWING MOTOR
      CENTER SWIVEL JOINT
      TRAVEL MOTOR
      PARKING BRAKE
      BRAKE VALVE
      TRAVEL MOTOR
      REDUCTION GEAR
      CYLINDERS
      SERVOCONTROL FEED UNIT
      ACCUMULATOR
      PPC VALVE (WORK EQUIPMENT)
      PPC VALVE (BLADE, BOOM SWING, 2-PIECE BOOM)
      TRAVEL PPC VALVE
      BOOM AND ARM SAFETY VALVE
      BLADE SAFETY VALVE
      PIECE BOOM SAFETY VALVE
      OVERLOAD SENSOR SWITCH
      SOLENOID VALVE
      ELECTRICAL DIAGRAM (1/3)
      ELECTRICAL DIAGRAM (2/3)
      ELECTRICAL DIAGRAM (3/3)
   TESTING AND ADJUSTING
      NORMAL OR STANDARD TECHNICAL DATA
      SPECIAL TOOLS
      MEASURING THE ENGINE SPEED
      ADJUSTING VALVE CLEARANCE
      MEASURING COMPRESSION PRESSURE
      TESTING AND ADJUSTING FUEL INJECTION TIMING
      TESTING AND ADJUSTING FAN BELT TENSION
      ADJUSTING THE STROKE OF THE ACCELERATOR LEVER
      ADJUSTING PPC VALVE CLEARANCE
      ADJUSTING THE SAFETY MICROSWITCH
      MEASURING THE SWING CIRCLE AXIAL CLEARANCE
      TESTING AND ADJUSTING TRACK-SHOE TENSION
      AIR BLEEDING FROM HYDRAULIC CIRCUITS
      RELEASING RESIDUAL PRESSURE FROM THE CIRCUITS
      CHECKING AND REGULATING PRESSURE IN THE HYDRAULIC CIRCUITS
      TESTING AND SETTING OF MAIN VALVES
      ADJUSTING PC VALVE
      MEASURING LS DIFFERENTIAL PRESSURE AND ADJUSTING LS VALVE
      CHECKING AND ADJUSTING PRESSURES IN THE SERVOCONTROL FEED UNIT
      MEASURING PUMPS DELIVERY AND FLOW CONTROL STARTING POINT PUMP P1
      MEASURING TRAVEL DEVIATION
      ADJUSTING THE MAXIMUM SPEED OF THE TRAVEL MOTORS
      MEASURING INNER OIL LEAKAGE OF TRAVEL MOTOR
      ADJUSTING BOOM AND ARM SAFETY VALVES
      ADJUSTING 2nd BOOM SAFETY VALVES
      MEASURING AND SETTING OF PRESSURE SWITCH SIGNAL OVERLOAD OPERATION
      MEASUREMENT OF INTERNAL OIL LEAKAGES IN THE SWING MOTOR
      CHECKING FOR LEAKAGES INSIDE THE SWIVEL JOINT
      ANALYSIS OF THE CAUSES OF HYDRAULIC DRIFTS
   DISASSEMBLY AND ASSEMBLY
      HOW TO READ THE MANUAL
      PRECAUTIONS TO BE TAKEN WHEN WORKING
      SPECIAL TOOLS
      STARTER MOTOR
      ALTERNATOR
      INJECTION PUMP
      NOZZLE HOLDER
      CYLINDER HEAD
      SEAT
      CABIN
      ENGINE HOOD
      FRONT HOOD
      HEATING FAN
      RADIATOR
      FUEL TANK
      HYDRAULIC OIL TANK
      ENGINE-PUMP GROUP
      PUMP GROUP
      ENGINE-PUMP COUPLING JOINT
      MAIN PUMP INPUT SHAFT OIL SEAL
      GEAR PUMP
      SWIVEL JOINT
      SWING MOTOR
      SWING MACHINERY
      CONTROL VALVE
      REVOLVING FRAME
      COUNTERWEIGHT
      SWING CIRCLE
      TRACK SHOES
      SPROCKET ASSEMBLY
      TRAVEL GEAR MOTOR
      BALL BEARING PRELOAD
      AXIAL CLEARANCE ON TAPERED ROLLER BEARINGS
      IDLER AND RECOIL SPRING ASSEMBLY
      IDLER
      RECOIL SPRING GROUP AND CYLINDER
      TRACK ROLLER
      CARRIER ROLLER
      R.H. PPC VALVE (BOOM-BUCKET)
      L.H. PPC VALVE (ARM-SWING)
      BLADE PPC VALVE
      TRAVEL PEDAL CONTROL
      st BOOM SWING PEDAL CONTROL
      BOOM CYLINDER (FOR 1-PIECE BOOM)
      BOOM CYLINDER (FOR 2-PIECE BOOM)
      nd BOOM CYLINDERS
      ARM CYLINDER
      BUCKET CYLINDER
      BOOM SWING CYLINDER
      BLADE CYLINDER
      WORK EQUIPMENT CYLINDERS
      WORK EQUIPMENT (FOR 1-PIECE BOOM)
      WORK EQUIPMENT (FOR 2-PIECE BOOM)
      BUCKET
      ARM
      nd BOOM
      BOOM (FOR 1-PIECE BOOM)
      st BOOM
      SWING BRACKET
      BLADE
   MAINTENANCE STANDARD
      P.T.O.
      SWING CIRCLE
      TRACK FRAME
      IDLER
      CARRIER ROLLER
      TRACK ROLLER
      TRACK SHOE
      SPROCKET
      SWING MACHINERY
      HYDRAULIC PUMP
      CONTROL VALVE
      SWING MOTOR
      SWIVEL JOINT
      TRAVEL MOTOR
      SERVOCONTROL FEED UNIT
      TRAVEL PPC VALVE
      PPC VALVE
      BLADE SAFETY VALVE
      CYLINDERS
      WORK EQUIPMENT (1-PIECE BOOM)
      WORK EQUIPMENT (2-PIECE BOOM)