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-41-
W1756/W1757 43" Wide-Belt Sander
SERVICE
V-Belt Tension
The sanding motor (Figure 46) and table elevation motor
(Figure 47) V-belts must be tensioned properly for best
performance. Always replace the sanding motor belts as
a matched set. Both table elevation and sanding motor
belts are adjusted the same way.
Note:
The sanding motor belts must be tensioned
correctly. Loose belts will not allow the machine ot stop
immediately if the emergency push panel is pushed.
The sanding motor uses a set of three matching belts.
The table elevation motor uses one belt.
To adjust either V-belt, do these steps
:
1. DISCONNECT THE SANDER FROM THE POWER SOURCE!
2. Loosen the lock nut (Figures 46 & 47).
3. Turn the adjustment nut up or down until the V-
belts deflect
3
/4" off of center when pushed with
your finger, as shown in
Figure 48.
4. Retighten the lock nut.
Figure 47. Table elevation V-belt.
OFF
Adjustment
Nut
Lock Nut
V-Belt
Figure 46. Sanding motor V-belts.
Adjustment
Nut
Lock Nut
OFF
V-Belts
Figure 48. Belt deflection.
3
/4"