6-82
E
LOWR
SHIMMING (COUNTER ROTATION MODELS)
(FOR WORLDWIDE)
(2) Calculate the forward gear shim thick-
ness (T2).
NOTE:
“R” is the deviation of the lower case
dimension 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” value
of “0”, and check the backlash when the
unit is assembled.
Example:
If M2 is “29.10 mm”, R is “+2”, then
T2 = 29.10 – 28.1 – (+2)/100 mm
= 29.10 – 28.1 – 0.02 mm
= 0.98 mm
(3) Select the forward gear shim(s) (T2).
Forward gear shim thickness
(T2) = M2 – 28.1 – R/100
Calculated numeral
at 1/100th place
Rounded
numeral
More than or less
0.00 0.02 0.02
0.02 0.05 0.05
0.05 0.08 0.08
0.08 0.10 0.10
Available shim thickness
0.10, 0.12, 0.15, 0.18, 0.30, 0.40
and 0.50 mm
6B50
F+5
R-1
P+2
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