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W1772/W1773 37" Drum Sander
SERVICE
— If the difference between the two measurements
at each end is more than
1
⁄8", continue to the next
step.
6. Loosen the rear drum pillow bearing lock nuts,
shown in
Figure 51.
7. Move one end of the drum forward or backward
as needed in the slotted holes until the distance
between the rear upper frame angle and drum is
within
1
⁄8" at each end, then tighten the rear drum
pillow bearing lock nuts.
8. Measure the distance between the rear and front
drum, as shown in
Figure 52, on both sides.
— If the difference between the two measurements
at each is equal or are within
1
⁄8", skip to Step 13.
— If the difference between the two measurements
at each end is more than
1
⁄8", continue to the next
step .
9. Make two gauge blocks the same width as your mea-
surement in Step 8
.
10. Place the small gauge blocks on each end of the
pressure roller between both drums as shown in
Figure 53.
11. Loosen the front drum pillow bearing lock nuts
(Figure 51).
12. Slide the front drum against the gauge blocks until
they are snug between the front and rear drum. This
will make the front drum parallel to the rear drum—
which is parallel to the rear frame (conveyor rollers)
and perpendicular to the feed direction.
13. Now, go to Setting Rear Drum Height & Adjusting
Drums Parallel to Conveyor Belt on
Page 40.
14. Tighten the front drum pillow bearing lock nuts.
Figure 51. Front and rear drum
adjustment locations
.
Lock Nuts
Lock Nuts
OFF
Set Screws
Front Drum
Rear Drum
Figure 52. Measuring distance between
rear and front drums
.
OFF
Figure 53. Example of small gauge block
positioned between front and rear drums.
OFF
Gauge
Blocks