Pinion Gear, Drive Shaft, And Forward Gear - Mercury 45 Jet 50-55 Service Manual

Pinion Gear, Drive Shaft, and Forward
Gear
1. Hold drive shaft using Drive Shaft Holding Tool
(91-56775); remove (and discard) pinion nut.
2. Remove drive shaft, pinion gear, bearing and for-
ward gear .
3. Replace pinion gear if it is chipped or worn.
4. Replace bearing and race if either are rusted or
damaged; or if bearing does not roll freely. To re-
move race, refer to "Lower Drive Shaft Bearing
Race," following.
5. Replace forward gear if gear teeth or clutch teeth
are chipped or worn.
a
c
e
d
b
f
a - Drive Shaft Holding Tool (91-817070)
b - Pinion Nut
c - Drive Shaft
d - Pinion Gear
e - Bearing
f - Forward Gear
6B-14 - LOWER UNIT
6. Replace bearing if it is rusted or does not roll free-
ly; use a punch and hammer to remove bearing.
a - Bearing
7. Replace forward gear bearing and race if either
are rusted or damaged; or if bearing does not roll
freely.
using Universal Puller Plate (91-37241) and man-
drel. To remove race, refer to "Forward Gear Bear-
ing Race," following.
a
a - Forward Gear Bearing
19175
b - Universal Puller Plate (91-37241)
c - Mandrel
a
Remove bearing
c
b
90-817643R1 DECEMBER 1996
19203
from gear
51119