Komatsu 68E-88E Series Engine Manual

Table of Contents

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.