Model G9983 (Mfg. Since 8/09)
-35-
the sanding belt is driven by two v-belts on the
Model g9983. the v-belts must have adequate
tension for proper power transmission. proper
tension is usually achieved when the v-belts can
be deflected no more than 1" with moderate finger
pressure at the midpoint between the wide-belt
pulleys and the motor pulleys. the large cover on
the right-hand side of the sander must be removed
to access the v-belts and the sanding motor.
thread the nuts shown in
figure 33 down to
tighten the v-belts, or thread the nuts up to loosen
the v-belts.
figure 33. turning these nuts allows you to
raise/lower the motor to adjust the v-belts.
v-belt tension
always inspect v-belts for damage or dete-
rioration when adjusting for tension. should
you find evidence of cracking, abrasion or
damage from wood chips or other foreign
materials, replace the belt immediately. belt
breakage may lead to mechanical damage
or operator injury.
inspect the v-belts closely; if you see any glaz-
ing, cracking or fraying, replace the belts. always
replace the two v-belts at the same time for
proper power transmission.
to replace the v-belts:
1. disConneCt sander FroM poWer!
2. shut the air pressure OFF.
3. loosen the top nut on the motor adjustment
bolt shown in
figure 34. turn the bottom nut
counterclockwise to raise the motor (or pry
motor up with a scrap piece of wood) and
loosen the v-belts.
4. When v-belts are sufficiently loose, slide
them off of the motor pulley.
figure 34. loosen the v-belt by using the
adjustment nuts.
replacing v-belts
Summary of Contents for G9983
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