Komatsu 68E-88E Series Engine Manual
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Description
Komatsu Repair Manual contains workshop manual, detailed removal, installation, disassembly and assembly, electrical wiring diagram, hydraulic schematic, diagnostic, specification, torque values, .
Publication: SEBM011501
Language: English
Komatsu 68E-88E Series Engine Service Repair Manual – 204 Pages
Engine Applicable machine, Serial number
Engine | Machine model | Machine Serial No. |
3D68E-3G | PC12R-8 | 10001 and up |
3D68E-3H | PC15R-8 | 10001 and up |
3D74E-3C | PC20R-8 | 10001 and up |
3D82AE-3E | PC25R-8 | 10001 and up |
3D82AE-3F | PC27R-8 | 10001 and up |
3D84E-3F | PC30R-8 | 10001 and up |
3D84E-3F | PC35R-8 | 35001 and up |
4D84E-3B | PC50UU-2 | 12772-14992 |
4D84E-3C | PC50UU-2 | 14993 and up |
4D84E-3D | PC40R-8 | 30001 and up |
4D84E-3D | PC45R-8 | 5001 and up |
This Manual is as well applicable to these Komatsu 68E-88E Series Engine : 2D68E, 3D78AE, 3D82E, 3D88E, 4D82E, 4D88E , S3D84E and S4D84E
Table of Content of the Komatsu 68E, 74E, 82AE, 84E, 88E Engine Manual:
1. SPECIFICATIONS AND PERFORMANCE………………………………………………………. 1-1
2. CROSS SECTIONAL VIEWS…………………………………………………………………………. 2-1
3. COOLING WATER, LUBRICATING OIL AND FUEL OIL………………………………….. 3-1
4. TROUBLESHOOTING ………………………………………………………………………………….. 4-1
5. SPECIAL SERVICE TOOLS AND MEASURING INSTRUMENTS ……………………… 5-1
6. MEASUREMENT, INSPECTION AND ADJUSTMENT ……………………………………… 6-1
7. MEASURING PROCEDURES, SERVICE DATA AND CORRECTIVE ACTION……. 7-1
8. DISASSEMBLY AND REASSEMBLY …………………………………………………………….. 8-1
9. SERVICE DATA …………………………………………………………………………………………… 9-1
10. TIGHTENING TORQUE ………………………………………………………………………………. 10-1
11. FUEL INJECTION PUMP FOR INDIRECT INJECTION SYSTEM …………………….. 11-1
12. FUEL INJECTION PUMP FOR DIRECT INJECTION SYSTEM………………………… 12-1
13. GOVERNOR………………………………………………………………………………………………. 13-1
14. TURBOCHARGER……………………………………………………………………………………… 14-1
15. SERVICE INFORMATION FOR CARB ULG REGULATION ……………………………. 15-1
16. ATTACHED DRAWING……………………………………………………………………………….. 16-1
20. EPA CERTIFIED ENGINE……………………………………………………………………………. 20-1
Proper use of lubricating oil
Use of proper lubricating oil brings about the following effects.
(1) The friction part of the engine is protected from friction and wear.
(2) The engine parts is protected from rusting and corrosion.
(3) The high temperature part of the engine is effectively cooled.
(4) The engine is protected from leakage of combustion gas.
(5) The engine parts are protected from sludge deposits.
For the above reasons, use lubricating oil APl Service Classification Class CC or better.
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