LOWR
SHIMMING (COUNTER ROTATION MODELS)
(EXCEPT FOR USA AND CANADA)
6590
(5) Calculate the pinion shim thickness
(T3).
Pinion shim thickness (T3) =
62.5 + P/100 – M3 – M4
NOTE:
• "P" 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 "P"
mark is missing or unreadable, assume a
"P" value of "0", and check the backlash
when the unit is assembled.
• If the "P" mark is negative (–), then add
the "P" value to the measurement.
Example:
If M3 is "46.85 mm", M4 is "15.12 mm" and
P is "–5", then
T3 = 62.5 + (–5)/100 – 46.85 – 15.12 mm
= 62.5 – 0.05 – 46.85 – 15.12 mm
= 0.48 mm
(6) Select the pinion shim(s) (T3).
Calculated numeral
at 1/100th place
More than
0.00
0.02
0.05
0.08
Available shim thickness
0.10, 0.12, 0.15, 0.18, 0.30, 0.40
and 0.50 mm
6-82
Rounded
numeral
or less
0.02
0.00
0.05
0.02
0.08
0.05
0.10
0.08
E
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