Mitsubishi 4DQ50 - Chapter 1 Operation and Handling

2·1 Air cleaner (oil bath type) ................................. 15
2·2 Air cleaner (filter paper type) ............................... 16
2·3 Valve clearances ....................................... 18
2·4 Compression pressure .................................... 18
3 Oil system ..........................•................... 18
3·1 Oil pan ............................................. 19
3·2 Oil filter .............................•............. " 20
3·3 Differential bypass valve .................................. 20
3-4
Oil pressure .......................................... 21
4 Fuel system
............................................. 22
4·1 Fuel filter ............................................ 22
4-2 Bleeding (or priming) .................................... 24
4·3 Checkup of nozzles ..................................... 24
4·4 Fuel injection pump ....................•................ 26
4·5 Fuel injection timing .................................... ' 27
4·6 Governor (pneumatic) •.................................. 28
4·7 Governor (mechanical) ................................... 31
Governor (Model
RSV, bosch type) .•••.•••..••...•..••••.....•. 34
4-8 Automatic timer . . • • • ...•••••...•..•........•..•......•.. , 45
4-9 Measurement of engine speed ............................... 46
5 Cooling System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 48
5-1 Cooling water and radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 48
5-2 Thermostat........................................... 49
5-3 Tension of fan belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 49
6 Electric system ..........•................................ 50
6·1 D.C. Generator ......................................... 51
6·2 A .C. Generator ••..•..•.. ~ . . . . . • • . • • • • • • • • • • • • • • • • . • . . . . .• 52
6·2-1 D.C. Generator Relay '" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 53
6·2·2 A.C. GeneratorRelay . . . • • . . • • . • • • . . • • • • • • . . • • . • • . . . • • . . . •• 53
6·3 Starter .........•.......................•............ 53
6·4 Battery ............................................. 54