6-65
E
LOWR
SHIMMING (REGULAR ROTATION MODELS)
(FOR WORLDWIDE)
(2) Calculate the reverse 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 “27.95 mm”, R is “+2”, then
T2 = 27.95 – 27.4 – (+2)/100 mm
= 27.95 – 27.4 – 0.02 mm
= 0.53 mm
Reverse gear shim thickness
(T2) = M2 – 27.4 – R/100
F+5
R-1
P+2
6940
(3) Select the reverse gear shim(s) (T2).
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
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