Where is the gear case and cover located?

The gear case cover and gear case housing bolt together at the front of the engine to form a sealed compartment for the engine gear train. See Figure “Engine Gear Case and Cover” .‪ Figure 1. Engine Gear Case and Cover The gear case cover also serves as a retainer for the crankshaft front oil seal. See Figure “Crankshaft Front Oil Seal” . ‪

How to clean a bull gear case cover?

Figure 16. Bull Gear O-ring Tap the gear case cover with a fiber mallet or plastic hammer to loosen it from the gear case. Remove the engine gear case cover. Clean all of the old gasket sealer from the mating surfaces of the gear case and gear case cover. Refer to General Information “General Information” , “Cleaning”.

When to replace bull gear and idler gear?

Inspect the bearings for signs of distress or overheating. If there is any bearing distress, replace the bull gear and idler gear assembly. If damage is not found, reuse the bull gear and idler gear assembly. Coat the bearings with clean engine oil.

What kind of gear does the bull gear drive?

The bull gear directly drives all of the gear-driven engine accessories (except the oil pump), meshing with drive gears for the fuel pump drive, air compressor drive and power steering pump (if so equipped), raw water pump (if so equipped), water pump and accessory and alternator drive. See Figure “Engine Gear Train” .‪ Figure 1. Engine Gear Train

When do you remove the gear case cover?

Install the new front oil seal after the gear case cover has been installed to the engine. If necessary, remove the crankshaft front oil seal at this time. Refer to “1.8.2 Removal of Front or Rear Crankshaft Oil Seal (Gear Case Cover or Flywheel Housing Removed)” .

Where is the gear case and cover located?