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W1772/W1773 37" Drum Sander
O
PE
R
ATIO
NS
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 ham-
mer or mallet to ensure it is seated.
.Note:.
DO NOT
pound the clip over the sandpaper. It is not neces-
sary 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.
Tension
Tool
Phillips
Screwdriver
Figure.31
. Finding sandpaper taper angle.
138"
17"
Grit Side Up
17"
6"
Figure.30.
Sandpaper pattern.
Figure.29.
Locking the tension wheel.
CIRCUMFERENCE
DRUM
SANDPAPER
= HYPOTENUSE
TAPER ANGLE
HYPOTENUSE
Spring Cap Screw
OFF
