Service Manual

Cylinder Block Overhaul
NOTE: The engine must be removed from the vehicle
chassis and put in an engine stand. (See Removing and
Installing The Engine.)
Gear Case and Oil Pump
1. Remove the crankshaft pulley.
2. Remove the fuel injection pump. (See Injection Pump
S
ervice in the Fuel System Repairs section of this
chapter.)
3. Disconnect the governor spring from the tension
le
ver. Remove the governor cover assembly from the
gear case. (See the Governor System Repairs section
of this chapter.)
4. Remove the water pump. (See Water Pump Service
in
the External Engine Component Repair section of this
chapter.)
5. Remove the alternator. (See Alternator Removal and
I
nstallation in the External Engine Component Repair
section of this chapter.)
6. Remove the gear case assembly (Fig. 72).
Figure 72
1. Bushings 5. Relief plunger 9. Oil pump housing
2. Plug 6. Relief spring 10. Gear case gasket
3. Gear case 7. Oil pump inner gear 11. High pressure pump gear housing
4. Front oil seal 8. Oil pump outer gear 12. Housing gasket
Liquid Cooled Diesel Engine Page 4 - 66
Workman 3300-D/4300-D