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LOWR
ASSEMBLY AND ADJUSTMENT
Reverse gear shim
1. Find reverse gear shim thickness (T2)
by selecting shims until the specified
measurement (M) with the special tool
is obtained.
Specified measurement (M) =
1.00 mm – R/100 mm
NOTE:
If the R value is negative (–), then add the R
value.
2. R is deviation of the lower case dimen-
sion from standard. It is stamped on the
trim tab mounting surface of the lower
case in 0.01 mm units. If the R mark is
missing or unreadable, assume a R
mark of "0", and check the backlash
when the unit is assembled.
Example:
If R mark is "+5", then
M = 1.00 – (+5)/100 mm
= 1.00 – 0.05 mm
= 0.95 mm
If R mark is "–5", then
M = 1.00 – (–5)/100 mm
= 1.00 + 0.05 mm
= 1.05 mm
3. Place the original shims on the thrust
washer mounted on the bearing hous-
ing, and place the shimming gauge on
top of the shims as shown in the illus-
tration.
Shimming gauge:
YB-6344
Thickness gauge:
YU-26900-9
NOTE:
If the original shims are unavailable, start
with a 0.50 mm shim.
Be sure to remove the O-ring from under
the thrust washer.
6-17
E
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