Grizzly G0449 Owner's Manual page 45

Lock
Handle
Figure 59. Rear left sanding drum micro-
adjusting knob.
6.
Turn the micro-adjustment knob until a 0.010"
feeler gauge fits between the drum and
gauge board (Figure 60).
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(Step 6 & 7)
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Figure 60. Rear drum set below front drum.
7. Repeat the adjustment in Step 6 on the other
side of the rear drum until the height differ-
ence between both ends is 0.002" or less.
8.
Lock the micro-adjustment lock lever and
lock handle.
9.
Loosen the front drum pillow bearing lock
nuts (Figure 53, Page 41).
G0449/G0450 37" Drum Sander
Micro-Adjust
Knob
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(Step 10)
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10. Adjust the height of the front drum ends by
adjusting the set screws (Figure 53) on the
pillow bearing up or down until the largest
size feeler gauge you can fit between the
front drum and 36" long gauge blocks (at both
ends) is 0.017"–0.025.
Note: The 0.017"–0.025" setting is a recom-
mended range and includes the 0.010" setting
on the rear drum and the additional 0.007" to
0.015" height from Step 12 (See Figure 60).
Some trial-and-error may be needed to find
the optimal setting based upon the sandpa-
per grit size you use (ie, coarse grit = smaller
number; fine grit = larger number).
11. Tighten the front pillow bearing lock nuts.
12. Check to make sure that when you tightened
the nuts the front drum did not move horizon-
tally, and that the front drum is still parallel
with the rear drum, using the small gauge
blocks.
— If the gauge blocks are snug between the
front and rear drums, go to Step 14.
— If the gauge blocks are not snug betwen
the front and rear drums, repeat Step 11
and 12 on Page 41.
13. Calibrate the scale pointer as described on
Page 45.
14. Remove all gauge blocks, reinstall the sand-
paper on the drums, reinstall the V-belts, and
close the pulley and top covers.
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