Mercury 40 Service Manual page 479

NON-BIGFOOT GEAR HOUSING
Inspection
Upper Drive Shaft Bearing
1. Inspect bearing for rust, roughness or discoloration from lack of lubricant.
2. DO NOT remove bearing from drive shaft unless bearing must be replaced, as removal
process will damage bearing.
3. If bearing must be replaced, position drive shaft assembly in vise (jaws of vise support-
ing only bearing) and while holding drive shaft, strike top of drive shaft with lead hammer
and drive bearing off.
a -
4. To install new bearing, thread old pinion nut 3/4 way onto drive shaft. Position Universal
Puller Plate (91-37241) under bearing and press on pinion nut while holding drive shaft
until bearing seats against shoulder.
a -
b -
c -
Page 6A-24
Bearing
Old Pinion Nut (Nut Should be Above Drive Shaft)
Bearing
Universal Puller Plate (91-37241)
a
a
91-37241
b
c
52387
90-828631R3 MARCH 1999