Yamaha F40BMHD Wartungshandbuch Seite 342

LOWR
5
7
BACKLASH
8
6
(3) Install the backlash indicator onto the
drive shaft (16mm (0.63 in) diameter).
Backlash indicator ........................
YB-06265/90890-06706
(4) Install the dial gauge onto the lower
unit and have the dial gauge plunger
contact the mark on the backlash indi-
cator.
Magnetic base attaching plate ....
90890-07003
Dial gauge set ...............................
YU-03097/90890-01252
Magnetic base...............................
YU-34481/90890-06705
(5) Slowly turn the drive shaft clockwise
and counterclockwise. When the drive
shaft stops in each direction, measure
the backlash.
2. Adjust:
• Forward gear backlash
Remove or add shim(s).
Forward gear
backlash
Less than
0.2 mm (0.008 in)
More than
0.6 mm (0.024 in)
Available shim thickness:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40 and
0.50 mm
M : Measurement
6-35
E
Shim thickness
To be decreased by
(0.4 - M)× × × × 0.53
To be increased by
(M - 0.4)× × × × 0.53
5
6
7
8