TOHATSU BFT75A Service Manual page 468

dummyhead dummyhead
Pinion gear shim selection table
F
E
D
C
B
A
F
E
D
C
B
A
Select the shims from the pinion gear shims of different
thickness to obtain the required thickness (Sp) by
combining the shims.
Shim type table
Install the trim tab (page 16-4).
After adjustment, inspect the forward bevel gear
backlash (page 16-41).
HOW TO READ SHIM SELECTION TABLE
When the engagement mark on the gear case housing
is E and the tolerance is -0.18 mm (-0.007 in), the shim
selection table shows that the required shim thickness
is 0.85 mm (0.033 in). (See the table shown below).
Pinion gear shim selection table
F
E
D
C
B
A
HOW TO SELECT SHIM COMBINATION
To obtain 0.85 mm (0.033 in) of shim thickness,
combine two gear shim A, one gear shim B, and one
gear shim D, or combine one gear shim A, one gear
shim B and two gear shim C.
-0.31 -0.25
– –
-0.25 -0.20
1.00 0.95
0.95 0.90
0.90 0.85
0.85 0.80
0.80 0.75
0.75 0.70
+0.10
+0.05
– –
+0.10 +0.15
0.65 0.60
0.60 0.55
0.55 0.50
0.50 0.45
0.45 0.40
0.40 0.35
Shim type Thickness
Shim A 0.10 mm
Shim B 0.15 mm
Shim C 0.30 mm
Shim D 0.50 mm
-0.31 -0.25
– –
-0.25 -0.20
1.00 0.95
0.95 0.90
0.90 0.85
0.85 0.80
0.80 0.75
0.75 0.70
Calculation value
-0.20 -0.15
– –
-0.15 -0.10
0.90 0.85
0.85 0.80
0.80 0.75
0.75 0.70
0.70 0.65
0.65 0.60
Calculation value
+0.15 +0.20
– –
+0.20 +0.25
0.55 0.50
0.50 0.45
0.45 0.40
0.40 0.35
0.35 0.30
0.30 0.25
Calculation value
-0.20 -0.15
– –
-0.15 -0.10
0.90 0.85
0.85 0.80
0.80 0.75
0.75 0.70
0.70 0.65
0.65 0.60
GEAR CASE
-0.10 -0.05
– –
-0.05 0
0.80 0.75
0.75 0.70
0.70 0.65
0.65 0.60
0.60 0.55
0.55 0.50
+0.25 +0.30
– –
+0.30 +0.35
0.45 0.40
0.40 0.35
0.35 0.30
0.30 0.25
0.25 0.20
0.20 0.15
-0.10 -0.05
– –
-0.05 0
0.80 0.75
0.75 0.70
0.70 0.65
0.65 0.60
0.60 0.55
0.55 0.50
16-39
Unit: mm
0
–
+0.05
0.70
0.65
0.60
0.55
0.50
0.45
Unit: mm
+0.35
–
+0.41
0.35
0.30
0.25
0.20
0.15
0.10
Unit: mm
0
–
+0.05
0.70
0.65
0.60
0.55
0.50
0.45