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3.
Remove sandpaper from drum and place
gauge blocks as shown in Figure 60.
A
Figure 60. Example of gauge blocks placed
under drum.
4.
Lower drum until gauge blocks just touch
drum.
5.
Raise drum one full crank of handwheel.
6.
Starting at A board (see Figure 60), find larg-
est size feeler gauge that can pass between
drum and your gauge block. (Feeler gauge
should slide with moderate resistance, with-
out forcing drum to roll.)
7.
Repeat Step 6 at B board.
— If difference between A and B is 0.010" or
less, then no adjustment is necessary.
— If difference between A and B is more than
0.010", then one end must be adjusted to
within 0.010" of other. Proceed to Step 8.
-42-
8.
B
9.
Figure 62. Adjustment hardware for right side.
Loosen (4) lock nuts and (2) hex bolts shown
in Figure 61.
x 4
Figure 61. Mounting hardware to loosen for
drum adjustment.
Refer to measurements taken in Steps 6–7.
— If A measurement was larger than B mea-
surement, loosen (2) hex nuts shown in
Figure 62 and tighten (2) hex bolts until
measurements are equal.
Model G0920 (Mfd. Since 10/20)
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