313
GEARCASE SERVICE, 40 – 60 HP MODELS
GEARCASE ASSEMBLY
12
Make sure the retaining rings are seated in the
grooves in the gearcase.
Thread two Guide Pins, P/N 383175, into the
retainer plate to align holes in the plate with holes
in the propeller shaft bearing housing. Do not
thread guide pins more than two turns into the
retainer plate.
Install O-ring in groove in the bearing housing.
Lightly apply Gasket Sealing Compound to the
O-ring flange and aft support flange of the bearing
housing. Do not allow sealer to contact either for-
ward thrust surface or bearings in the housing.
Align the bearing housing on the guide pins with
the word “UP” toward the top. Place the housing
into gearcase and tap the housing with a soft face
mallet to seat the O-ring.
Apply Gasket Sealing Compound to the threads
and seals of the four propeller housing retaining
screws. Install two of the screws into the bearing
housing finger tight. Remove the guide pins and
install the remaining two screws. Tighten all four
screws to a torque of 120 to 140 in. lbs. (14 to 16
N·m).
Final Assembly and Adjustment
To complete gearcase assembly, refer to:
• GEARCASE LEAK TEST on p. 291
• WATER PUMP SERVICE on p. 294
• SHIFT ROD ADJUSTMENT on p. 296
• GEARCASE REMOVAL AND INSTALLATION
on p. 292
• Gearcase Lubricant on p. 43
• Propeller Hardware Installation on p. 290
• Trim Tab Adjustment on p. 35.
During break-in period of a reassembled
gearcase, change the gearcase lubricant between
10 to 20 hours of operation.
1. Retaining ring 9438
1. Guide pin COA3550
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