Belt Service - Grizzly G0820 Owner's Manual

Belt Service

Over time, belts will stretch and wear. To maintain
efficient power transfer to the blade, make sure
the belts are properly tensioned and in good con-
dition. If belts show any glazing, fraying, or crack-
ing, replace them. We recommend replacing both
the main and scoring blade belts at the same time
for convenience.
To reduce risk of shock or
accidental startup, always
disconnect machine from
power before adjustments,
maintenance, or service.
Items Needed
Open-End Wrench 19mm .................................. 1
Tensioning Scoring Blade Belt
Proper tension of the scoring blade flat belt is
automatically maintained by a spring between the
tensioner pulley and motor shown in Figure 148.
Scoring Blade
Belt
Spring
Figure 148. Location of scoring blade spring.
Model G0820 (Mfd. Since 12/16)
Tensioning Main Motor Belt
1.
DISCONNECT MACHINE FROM POWER!
2.
Open motor cabinet door.
3.
Loosen pivot bolt and two adjustment bolts
shown in Figure 149.
Qty
Figure 149. Locations of adjustment and pivot
bolts (cast-iron table removed).
4. Push motor down until there is approximately
⁄ " deflection when you use moderate pressure
1
4
between pulleys, as illustrated in Figure 150,
then re-tighten bolts loosened earlier in Step 3.
Pulley
Figure 150. Testing for the correct amount of
5. Close motor cabinet door.
Adjustment Bolts
Pulley
⁄ "
1
4
Deflection
belt tension.
Pivot Bolt
-73-