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ENG
MIDDLE GEAR
Example:
1) If the bearing housing is marked “+04”,
..... a is 10.54.
2) b is 55
3) If the crankcase (right) is marked “66.03”,
..... c is 66.03.
4) Therefore, the shim thickness is 0.47 mm.
A = 66.03 – 10.54 – 55
= 0.49
5) Round off hundredths digit and select
appropriate shim(s).
In the example above, the calculated shim
thickness is 0.49 mm. The chart instructs
you, however, to round off 9 to 10.
Shims are supplied in the following
thicknesses.
Hundredths Round value
0, 1, 2 0
3, 4, 5, 6, 7 5
8, 9 10
Middle drive pinion gear shim
Thickness (mm)
0.10 0.30
0.15 0.40
0.20 0.50
●
To find shim thickness “B” use the following
formula:
Middle driven pinion gear shim
thickness:
“B” =
d
–
e
+
f
–
g
– 0.05