TOHATSU BFT115A Service Manual page 538

GEAR CASE (STANDARD ROTATION)
Remove the trim tab (page 16-8).
Record the engagement mark (1) located on the trim
tab installation part of the gear case (2).
Cross reference the engagement mark and tolerance
calculated in the previous step, and refer to the forward
bevel gear shim selection table to determine the
required thickness of the shim (Sf).
Forward bevel gear shim selection table
Refer to 16-43 for information on how to read the shim
selection table and shim combination.
Select the shims from the forward bevel gear shims of
different thickness to obtain the required thickness (Sf)
by combining the shims.
Forward bevel gear shim type table
Install the trim tab on the gear case (page 16-9).
After shim selection, inspect the forward bevel gear
backlash (page 16-45).
16-44
Calculation value
0
–
+0.05
1 0.45
2 0.40
3 0.35
4 0.30
5 0.25
6 0.20
Shim type Thickness
Shim A 0.10 mm
Shim B 0.15 mm
Shim C 0.30 mm
Shim D 0.50 mm
(1)
Unit: mm
+0.05
–
+0.10
0.40
0.35
0.30
0.25
0.20
0.15
(2)