This manual includes information on how to operate, repair, service and maintain the machine on our own without wasting time in service Centre. It consists of step-by-step instructions with diagrams and illustrations.

TABLE OF CONTENTS: 
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01 GENERAL 
SPECIFICATION DIMENSION DRAWING 
WORKING RANGE DRAWING 
SPECIFICATIONS 
WEIGHT TABLE 
LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS 
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD 
PTO 
COOLING SYSTEM 
POWER TRAIN 
SWING CIRCLE 
SWING MACHINERY 
TRACK FRAME 
IDLER CUSHION 
IDLER 
TRACK ROLLER 
CARRIER ROLLER 
SPROCKET 
TRACK SHOE 
HYDRAULIC COMPONENTS LAYOUT DRAWING 
HYDRAULIC TANK 
CENTER SWIVEL JOINT 
TRAVEL MOTOR 
HYDRAULIC CYLINDER 
SOLENOID VALVE 
MULTI-CONTROL VALVE 
HYDRAULIC PUMP 
CONTROL VALVE 
CLSS 
OPERATION FOR EACH FUNCTION AND VALVE 
SWING MOTOR 
PPC VALVE 
WORK EQUIPMENT 
DIMENSIONS OF EACH PART OF WORK EQUIPMENT 
FLOOR 
AIR CONDITIONER 
ENGINE CONTROL 
ELECTRIC CONTROL SYSTEM 
COMPONENT PARTS OF SYSTEM 
MONITOR SYSTEM 
MONITOR PANEL 
SENSORS 
20 TESTING AND ADJUSTING 
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS 
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS 
TESTING AND ADJUSTING 
TROUBLESHOOTING 
30 DISASSEMBLY AND ASSEMBLY 
HOW TO READ THIS MANUAL 
PRECAUTIONS WHEN PERFORMING OPERATION 
SPECIAL TOOL LIST 
SKETCHES OF SPECIAL TOOLS 
REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY 
REMOVAL AND INSTALLATION OF RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY 
REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY 
REMOVAL AND INSTALLATION OF TRACK SHOE ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY 
REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY 
REMOVAL AND INSTALLATION OF FLOOR FRAME ASSEMBLY 
REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY 
REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY 
REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY 
REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY 
DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY 
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY 
REMOVAL AND INSTALLATION OF OPERATOR'S CAB GLASS (STUCK GLASS) 
REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY 
90 OTHERS 
HYDRAULIC CIRCUIT DIAGRAM 
 
PC35MR-2 . 
pc50MR-2 

ELECTRICAL CIRCUIT DIAGRAM 
 
PC35MR-2 (1/2) 
PC35MR-2 (2/2) 
, pc50MR-2 (1/2) 
, pc50MR-2 (2/2) 


Model Specification: KOMATSU , PC35MR-2, PC50MR-2 HYDRAULIC EXCAVATOR