– 106 –
E
LOWR
SHIMMING (COUNTER ROTATION MODELS)
(FOR USA AND CANADA)
SELECTING THE FORWARD GEAR
SHIMS
NOTE:
Find the shim thickness (T2) by selecting
shims until the specified value (M0) is
obtained with the special tool.
6620
1. Measure:
• Specified measurement (M)
Out of specified value (M0)
→
Adjust.
Measuring steps
(1) Calculate the specified value (M0).
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 an “R”
value of “0”, and check the backlash when
the unit is assembled.
Example:
If “R” is “+5”, then
M0 = 1.30 – (+5)/100 mm
= 1.30 – 0.05 mm
= 1.25 mm
If “R” is “–3”, then
M0 = 1.30 – (–3)/100 mm
= 1.30 + 0.03 mm
= 1.33 mm
Specified value (M0) =
1.30 – R/100 mm
M
6630
6640
Summary of Contents for Z150P
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