Grizzly Extren Series Jointer g9860 - Manual (Page 37)

Extreme series Jointer (Mfg. since 9/11)
-35-
v-belts
V-belts will wear and stretch with extended use.
Maintaining proper tension of V-belts and making
sure they are in good condition will increase the
efficiency of the cutterhead and reduce wear on
the bearings.
When a V-belt can no longer be properly ten-
sioned or is cracked/damaged, replace both
V-belts as a matched set.
Tools Needed Qty
phillips screwdriver ........................................... 1
Wrench or socket 19mm ................................... 1
To properly tension the v-belts:
1. disCoNNECt JoiNtEr FroM poWEr!
2. remove the rear access motor cover to
access the V-belts (see Figure 55).
3. loosen the two motor mounting bolts, then,
with assistance, raise or lower the motor
assembly until there is the proper tension on
the V-belts.
Note: The V-belts are properly tensioned
when there is approximately
3 ⁄
4
" of deflection
between the pulleys when moderate pres-
sure is applied with your finger, as shown in
Figure 56.
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3 $
4

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Figure 56. the correct amount of V-belt
deflection between the pulleys.
4. When you have properly tensioned the
V-belts, re-tighten the motor mounting bolts
and re-install the motor access cover.
To replace the v-belts:
1. disCoNNECt JoiNtEr FroM poWEr!
2. remove the rear access motor cover, then
loosen the motor mounting bolts.
3. With assistance, raise the motor assembly up
until you can roll the V-belts off the pulleys.
4. replace the V-belts with a new, matched
set, then properly tension them as instructed
above.
Figure 55. V-belts and pulleys.
Motor pulley
Cutterhead
pulley
V-Belts
Mounting
Bolt