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W1772/W1773 37" Drum Sander
OPERATIONS
Paper Replacement
The Model W1772/W1773 is designed for 6" wide sandpa-
per rolls.
To change the paper, do these steps:
1. DISCONNECT POWER TO THE SANDER!
2. Lift the top cover and place a screwdriver through
the right side of the frame, as shown in
Figure 29.
3. Rotate the sanding drum to stretch the tension
spring. Fit the end of the spring tension tool shaft
through the hole in the tension wheel arm (see
Figure 29) and into the head of the cap screw secur-
ing the spring
.
4. Remove the screwdriver.
5. Repeat Steps 2–4 on the opposite end of the sanding
drum, then remove the spring clips.
Note: Replace
the paper on each drum individually. Once the
paper is removed the drums can be slippery and
hard to rotate.
6. Unwind the old sandpaper and use it as a pattern, or
use the pattern in
Figure 30 to cut the sandpaper to
the necessary shape, or see
Figure 31 if using a dif-
ferent width of sandpaper.
7. Start with the left side of the drum, fold the corner
of the
sandpaper into the spring clip, then install
the clip onto the tension wheel. Tap the clip with a
hammer or mallet to ensure it is seated.
Note: DO
NOT pound the clip over the sandpaper. It is not
necessary to drive the clip completely on, just make
sure it is secure. Too much force will break the clip!
8. Tightly spiral the paper onto the drum, ensuring
there are no bubbles or overlapping edges, leaving a
uniform
3
/16" gap between the spirals as you wind the
paper around the drum.
9. Fold the corner of the loose end into the spring clip,
then install the clip onto the right tension wheel.
10. Remove the spring tension tool from the ends of the
sanding drum to tension the paper, and
repeat Steps
2–10 for the other drum.
Figure 30. Sandpaper pattern.
Figure 29. Locking the tension wheel.
OFF
Phillips
Screwdriver
Tension
Tool
NOTICE
Turn to SECTION 5: ACCESSORIES on
Page 2
9 for grit selection and model
numbers.
Figure 31. Finding sandpaper taper angle.
Spring Cap Screw