Westerbeke 20B TWO Tehnical Manual page 37

Gear Case and Oil Pump Removal and Inspection
1. Remove the crankshaft pulley.
2. Remove the fan and fan belt.
3. Remove the tie-rod cover from the side face of the injection pump.
4. Remove the tie rod and tie rod spring. Be careful not to let the spring fall into the case.
5. Remove the governor cover assembly.
6. Remove the water pump assembly.
7. Remove the alternator.
8. Remove the pump housing.
9. Remove the gear case assembly.
Check the removed parts. If any parts are found defective, repair or replace them.
Cracks and damage
Wear and damage
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Seal surface interference
Inspection of Gear Case and Oil Pump
Wear, damage, and clearance
Thoroughly clean oil line.
35
Westerbeke Engines