62Y3A11
6-78
1
2
3
4
5
6
7
8
I
5. Slowly turn the drive shaft clockwise and
counterclockwise and measure the back-
lash when the drive shaft stops in each
direction.
6. Add or remove shims if out of specifica-
tion.
M: Measurement
7. Remove the special service tools from
the propeller shaft.
8. Apply a load to the reverse gear by install-
ing the propeller
0
without the spacer
A
,
and washer
B
and washer
C
as shown.
NOTE:
Tighten the propeller nut
D
while turning the
drive shaft until the drive shaft can no longer
be turned.
9. Slowly turn the drive shaft clockwise and
counterclockwise and measure the back-
lash when the drive shaft stops in each
direction.
10. Check the pinion shim if out of specifica-
tion.
11. Remove the special service tools, and
then install the water pump assembly.
Backlash indicator gauge
6
: YB-06265
Backlash indicator
6
: 90890-06706
Magnetic plate
7
: YB-07003
Magnet base plate
7
: 90890-07003
Dial gauge
8
: YU-03097
Dial gauge set
8
: 90890-01252
Magnet flexible stand
9
: YU-34481
Magnet base
9
: 90890-06705
Forward gear backlash:
0.12–0.45 mm (0.005–0.018 in)
Forward gear
backlash
Shim thickness
Less than
0.12 mm (0.005 in)
To be decreased by
(0.29 – M)
×
0.57
More than
0.45 mm (0.018 in)
To be increased by
(M – 0.29)
×
0.57
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and
0.50 mm
Reverse gear backlash:
0.71–1.11 mm (0.028–0.044 in)
Backlash (T50/FT50B, FT50C)
To Next Page
