Yamaha E60HWD Service Manual page 134

LOWR
5. Slowly turn the drive shaft clockwise and
counterclockwise and measure the back-
lash when the drive shaft stops in each
direction.
Forward gear backlash:
0.14– 0.46 mm (0.0053– 0.0182 in)
6. Add or remove shim(s) if out of specifica-
tion.
Forward gear
backlash
Less than
0.14 mm (0.0053 in)
More than
0.46 mm (0.0182 in)
M: Measurement
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40 and
0.50 mm
7. Remove the special service tools from
the propeller shaft.
8. Apply a load to the reverse gear by
installing the propeller 8 without the
spacer 9, the washer 0, then the wash-
er q as shown.
9
NOTE:
Tighten the propeller nut w while turning the
drive shaft until the drive shaft can no longer
be turned.
6-29
Lower unit
Shim thickness
To be decreased by
(0.30 – M) × 0.52
To be increased by
(M – 0.30) × 0.52
w
q
0
8
69D06380
9. Slowly turn the drive shaft clockwise and
counterclockwise and measure the back-
lash when the drive shaft stops in each
direction.
Reverse gear backlash:
0.77– 1.16 mm
(0.0304– 0.0456 in)
10. Add or remove the shim(s) if out of spec-
ification.
Reverse gear
backlash
Less than
0.77 mm (0.0304 in)
More than
1.16 mm (0.0456 in)
M: Measurement
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40 and
0.50 mm
11. Remove the special service tools, and
then install the water pump assembly.
Shim thickness
To be increased by
(0.97 – M) × 0.52
To be decreased by
(M – 0.97) × 0.52
69D5G11