Model G0458Z (Mfd. Since 7/19)
-25-
This machine features two different sanding
speeds, which are controlled by belt position on
the pulleys (see
Figure 25).
IMPORTANT: Proper belt tension is important
for optimum power transmission. Any time pulley
adjustments are made, be sure to re-tension the
belt.
Changing Sanding
Drum Speeds
Figure 26. Belt drive system.
Motor Mount Cap Screws
Sanding
Belt
Pulley
V-Belt
Motor
Pulley
High Speed (3400 RPM)
Motor
Pulley
Motor
Sanding
Drum
Pulley
Sanding
Drum
Low Speed (2600 RPM)
To adjust V-belt location:
1. DISCONNECT MACHINE FROM POWER!
2. Remove the pulley cover.
Figure 25. Pulley speed settings.
Tools Needed:
Qty
Hex Wrenches 4, 8mm ................................ 1 Ea.
3. Loosen the motor mount cap screws shown
in
Figure 26, and lift motor pulley to de-ten-
sion belt.
4. Tighten motor mount cap screws to keep
motor de-tensioned during belt change.
5. Roll V-belt onto correct pulley for sand-
ing operation, and follow steps outlined in
Tensioning V-Belt on Page 31 to properly
tension belt before operation.
