Description

Komatsu 72-2, 75-2, 78-1, 84-2 Series Engine Manual

Komatsu Engines
Publication: SEBM002400
Format: PDF
Language: English

Komatsu 72-2, 75-2, 78-1, 84-2 Series Engine Service Manual – 262 Pages

Engine Applicable machine, Serial number

Komatsu Engine	Engine model In this Manual	Applicable Machine Model
3D72-2	3TNA72E-S	PC05-5, PC05-6, PC05-7, PC07-1
3D75-2	3TN75E-S	PC10-5, PC10-6
3D78-1	3TN78E-VM	PC10-7
3D84-2	3TN84E-VM	PC25-1, PC30-7
3D84N-2	3TN84E-VM	PC15-3, PC20-7, JV40CW.C.CR.W-2
4D84-2	4TN84E-VM	PC40-7, PC45-1

 

This Manual is as well applicable to these 72-2, 75-2, 78-1, 84-2 Series Engine : 2TN66E, 3TN66E, 3TNC78E, 3TN82TE

Table of Content of the Komatsu 72-2, 75-2, 78-1, 84-2 Series Engine Manual:

10. STRUCTURE AND FUNCTION……………………………………………………………………. 10-1
20. TESTING AND ADJUSTING ……………………………………………………………………….. 20-1
30. DISASSEMBLY AND ASSEMBLY ………………………………………………………………. 30-1
40. MAINTENANCE AND STANDARD………………………………………………………………. 40-1

This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure
you understand the contents of this manual and use it to full effect at every opportunity.

This shop manual mainly contains the necessary technical information for operations performed in a service workshop.
The manual is divided into chapters on each main group of components; these chapters are further divided into the
following sections.

STRUCTURE AND FUNCTION for the Excavator Komatsu Engine
This 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.

TESTING AND ADJUSTING
This sections explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating Problems to Causes are also included in this section.

DISASSEMBLY AND ASSEMBLY Komatsu Engine
This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.

MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.