Changing Sanding Drum Speed - Grizzly G0458ZX Owner's Manual

Changing Sanding
Drum Speed
This machine features two different sanding
speeds, which are controlled by belt position on
the pulleys (see Figure 28).
IMPORTANT: Proper belt tension is important
for optimum power transmission. Any time pulley
adjustments are made, be sure to re-tension the
belt.
Low Speed (2600 RPM)
Sanding
Drum
Motor
High Speed (3400 RPM)
Figure 28. Pulley speed settings.
Tools Needed
Hex Wrenches 4, 8mm ................................1 Ea.
To change sanding drum speed:
DISCONNECT MACHINE FROM POWER!
1.
Open belt access panel.
2.
-26-
3.
Sanding
Drum
Pulley
4.
5.
Motor
Pulley
6.
Qty
Loosen (2) motor mount cap screws shown in
Figure 29, and lift motor pulley to de-tension
belt.
V-Belt
Motor Mount Cap Screws
Figure 29. Location of belt and pulleys.
Tighten (2) motor mount cap screws to keep
belt de-tensioned during belt change.
Roll V-belt onto correct pulley for desired
drum speed.
Follow steps outlined in Tensioning V-Belt
on Page 33 to properly tension belt before
operation.
Model G0458ZX (Mfd. Since 04/24)
Sanding
Drum
Pulley
Motor
Pulley