Komatsu 4.2482, 4.248, T4.236, 4.236, 4.212, T4.38 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 PULG REGULATION ……………………………. 15-1
16. ATTACHED DRAWING……………………………………………………………………………….. 16-1
20. EPA CERTIFIED ENGINE……………………………………………………………………………. 20-1

Renewal of thrust washers can be carried out without withdrawing the crankshaft, as follows:
1. Remove the sump, sump strainer and the oil pump suction page L.2 ) .
2. Remove the center main cap the two bottom half thrust washers (see Fig, H.1 ).
The two top half thrust washer. a should be removed by sliding round from one side. Identify each thrust washer hall to Its relative position.
3. To refit the thrust washers, liberally oil the two upper helves and slide them into the recesses pro vided on either side of the main bearing housing