-24-
Model G9983 (Mfg. Since 8/09)
The feed belt motor (shown in Figure 19 with the
cover removed) controls the speed of the feed
belt. The Model G9983 features speeds of 13.1
FPM and 16.4 FPM.
To change feed belt speeds:
1. DISCONNECT SANDER FROM POWER!
2. Remove the cap screw that secures the feed
belt motor cover.
3. Loosen the for motor mount bolts so that the
motor will slide up enough to get the chain off
the sprockets.
4. Determine which speed is best for your appli-
cation and place the chain on either set of the
sprockets shown in Figure 19.
5. Replace the motor cover and secure it with
the cap screw.
Feed Belt Speed
Figure 19. This is the feed belt motor. Place the
chain on either of the sprockets and the feed belt
will travel at the speed shown.
16.4
FPM
13.1
FPM
The load meter shown in Figure 20 displays the
current amperage draw of the sanding belt motor.
The needle rises when you increase the load
on the sanding belts and decreases when you
decrease the load. Use this meter to avoid over-
loading your machine with too heavy of a cut.
NEVER exceed 30 amps—this is the maximum
that your machine can safely handle!
Since various types of stock will react differently
to various loads, use trial-and-error to determine
the best settings for your applications. As a gen-
eral rule, always start with a small load and work
your way up. DO NOT push your machine to its
maximum load; instead, use multiple passes or
install a coarser grit paper.
Figure 20. This is the load meter.
Load Meter
Long term exposure to this
machine while operating
may cause hearing loss.
Wear approved hearing
protection to minimize this
risk!
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