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3. Install the special service tools so that it
pushes against the propeller shaft, and
then turn the lower unit 90° to the upside
position.
4
3
2
NOTE:
While turning the drive shaft clockwise 5–6
times so that the forward gear taper roller
bearing is seated evenly, tighten the center
bolt 4 to the specified torque.
Bearing housing puller claw L 2:
90890-06502
Stopper guide plate 3:
90890-06501
Center bolt 4:
90890-06504
Center bolt 4:
5 N·m (0.5 kgf·m, 3.7 ft·lb)
6885J11
6886022a
2
4
3
68860220
Shimming / Backlash
4. Install the backlash indicator onto the
drive shaft (20.0 mm [0.79 in] in diame-
ter), then install the dial gauge onto the
lower unit as shown.
8
6 7
NOTE:
Install the dial gauge so that the plunger a
comes in contact with the mark b on the
backlash indicator.
Backlash indicator 5: 90890-06706
Magnet base plate 6: 90890-07003
Dial gauge set 7: 90890-01252
Magnet base B 8: 90890-06844
5. While pushing the drive shaft slightly, turn
the drive shaft slowly clockwise and
counterclockwise, then measure the
backlash when the drive shaft stops in
each direction.
Forward gear backlash:
0.08–0.25 mm (0.0032–0.0098 in)
1
2
a b
3
5
4
68860500
5
6
7
8
9
6-30
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