This is the COMPLETE Service Repair Manual for the Komatsu PC27MR-2, PC30MR-2, PC35MR-2, PC40MR-2, PC50MR-2 Hydraulic Excavator. It contains deep information about maintaining, assembly, disassembly and servicing your Komatsu PC27MR-2, PC30MR-2, PC35MR-2, PC40MR-2, PC50MR-2 Hydraulic Excavator.

MACHINE MODEL SERIAL NUMBER
PC27MR-2 – 15001 and up
PC30MR-2 – 20001 and up
PC35MR-2 – 5001 and up
PC40MR-2 – 8001 and up
PC50MR-2 – 5001 and up

PC27MR-2 mount the 3D82AE-5M engine.
PC30MR-2 mount the 3D84E-5N engine.
PC35MR-2 mount the S3D84E-5PBA and 3D88E-5P engine.
PC40, 50MR-2 mounts the 4D88E-5X engine.
For details of the engine, see the 68E-88E Series Engine Shop Manual.

This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step by step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$

SERVICE REPAIR MANUAL CONTAINS:
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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
PC27MR-2
PC30MR-2
PC35MR-2 .
PC40MR, 50MR-2
PC40MR, 50MR-2 (Additional attachment circuit)
ELECTRICAL CIRCUIT DIAGRAM
PC27MR, 30MR-2 (1/2)
PC27MR, 30MR-2 (2/2)
PC35MR-2 (1/2)
PC35MR-2 (2/2)
PC40MR, 50MR-2 (1/2)
PC40MR, 50MR-2 (2/2)

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** Model Specification: Komatsu PC27MR-2, PC30MR-2, PC35MR-2, PC40MR-2, PC50MR-2 Hydraulic Excavator
** Language: English
** Total Pages: 630
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…

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This QUALITY manual is 100 percents COMPLETE and INTACT,
no MISSING/CORRUPT pages/sections to freak you out! It also is Bookmarked and SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.

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