Figure 5-10. Crankcase Cover Oil Passages
Clean out each oil hole on the crankcase cover with diesel fuel. Make sure no oil passage is dogged.
Leave plugs in place if they dont need to be replaced.
Figure 5-11. Main Bearing Metal Insert
bearing metal insert on the crankcase side for discoloration
Replace crankcase cover gasket (3).
Replace crankshaft oil seal.
(1) Insert new crankshaft oil seal into crankcase cover using the oil seal fitting tool.
(2) Insert crankshaft seal into crankcase cover until it is 0.1575 inch (4 mm) deep from the end of crank-
Replace the main bearing metal insert if it is discolored or damaged.
(1) Remove bad main bearing metal insert.
(2) Insert main bearing into crankcase cover. Carefully fit the main bearing so that the oil groove is in the
upper half and the oil hole in the bearing is aligned with the oil groove.