Komatsu PC300LC-7L, PC300HD-7L Excavator Service Manual

Komatsu PC300LC-7L, PC300HD-7L Excavator Service Manual

$34.00

Publication: CEBM009104
Format: PDF
Language: English

Komatsu PC300LC-7L, PC300HD-7L Excavator Service Repair Manual – 782 Pages

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Komatsu PC300LC-7L, PC300HD-7L Excavator Service Manual

Komatsu Excavator PC300LC-7L, PC300HD-7L
Publication: CEBM009104
Format: PDF
Language: English

Komatsu PC300LC-7L, PC300HD-7L Excavator Service Manual – 782 Pages

Table of Content of the Komatsu Excavator PC300LC-7L, PC300HD-7L Manual:

01 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
10 STRUCTURE AND FUNCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
20 TESTING, ADJUSTING AND TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
30 DISASSEMBLY AND ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
90 OTHER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-1

1. Composition of shop manual

This shop manual contains the necessary technical information for services performed in a workshop. For
ease of understanding, the manual is divided into the following sections.

00. FOREWORD
This section explains the safety and basic information.

01. GENERAL
This section explains the specifications of the machine for the Komatsu PC300LC-7L, PC300HD-7L Excavator.

10. STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
This section explains the structure, function, and maintenance standard values of each component.
The structure and function sub-section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting. The maintenance standard sub-section explains the criteria and remedies for disassembly and service.

20. TESTING AND ADJUSTING
Standard value table
This section explains the standard values for new machine and judgement criteria for testing, adjusting, and troubleshooting. This standard value table is used to check the standard values in testing and adjusting and to judge parts in troubleshooting.

Testing and adjusting
This section explains measuring instruments and measuring methods for testing and adjusting, and method of adjusting each part. The standard values and judgement criteria for testing and adjusting are explained in Testing and adjusting.

Troubleshooting
This section explains how to find out failed parts and how to repair them. The troubleshooting is divided by failure modes. The S mode of the troubleshooting related to the engine may be also explained in the Chassis volume and Engine volume. In this case, see the Chassis volume.

30. DISASSEMBLY AND ASSEMBLY For PC300LC-7L, PC300HD-7L Excavator
This section explains the special tools and procedures for removing, installing, disassembling, and assembling each component, as well as precautions for them. In addition, tightening torque and quantity and weight of coating material, oil, grease, and coolant necessary for the work are also explain.

90. OTHERS (chassis volume)/Repair and replacement of parts (engine volume)
• Chassis volume
This section gives hydraulic circuit diagrams and electrical circuit diagrams.
• Engine volume
This section explains the method of reproducing, repairing, and replacing parts.

SPROCKET REMOVAL

1. Remove track shoe assembly. For details, see TRACK SHOE, REMOVAL.
2. Swing work equipment 90, push up chassis with work equipment and place block b between track frame and track shoe.
3. Remove mount bolts and lift off sprocket
INSTALLATION
•Install in reverse order of removal.
Sprocket: 65 kg

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