Yamaha 40V Service Manual page 135

LOWR
SHIM SELECTION
2. Install:
Shimming gauge
Drive shaft
Bearing 1
Shim(s) 2
Gauge block:
YB-34432-9............................. 3
Adapter plate:
YB-34432-10........................... 4
Gauge base:
YB-34432-11........................... 5
Clamp:
YB-34432-17........................... 6
NOTE:
Attach the adapter plate to the gauge base
using 4 bolts of appropriate sizes.
Fix the shimming gauge to the drive shaft
so that the shaft is at the center of the
hole.
If the original shim(s) is unavailable, start
with a 0.50 mm shim.
3. Install:
Pinion
Pinion nut
Pinion nut:
75 Nm (7.5 m • kg, 54 ft • lb)
4. Check:
Specified measurement (M)
Out of specified measurement →
Adjust.
Thickness gauge:
YU-26900-9
NOTE:
Check the fit between the shimming
gauge and lower surface of the pinion.
Perform the same measurement at three
points on the pinion nut.
5. Adjust:
Shim(s)
Remove or add
Available shim thickness:
0.05, 0.08, 0.12, 0.30 and 0.50 mm
6-20
E