Toro Reelmaster 5100-D - Cylinder Block Overhaul; Gear Case and Oil Pump

Cylinder Block Overhaul
NOTE: The engine must be removed from the traction Removing and Installing The Engine section of this
unit chassis and put in an engine stand. (See the chapter.)
Gear Case and Oil Pump
1. Remove the crankshaft pulley.
2. Remove the fuel injectio
n pump. (See Injection Pump
Service in the Fuel System Repairs section of this
chapter.)
3. Disconnect the governor sprin
g from the tension
lever. 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
i
n the External Engine Component Repair section of this
chapter.)
5. Remove the alternator. (See Alternator Removal
and
Installation 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
Reelmaster
®
223-D/5100-D Page 3 - 53 Cylinder Block Overhaul