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W1756/W1757 43" Wide-Belt Sander
SERVICE
Sanding Belt Tension
Safety Switch
The belt tension safety switch shuts the sanding motor
OFF if the belt breaks or has no tension when the lock
flange pushes the belt tension safety switch lever (see
Figures 57
& 58).
To adjust the belt tension safety switch, do these
steps:
1. DISCONNECT THE SANDER FROM THE POWER SOURCE!
2. Apply normal system air pressure of 75 PSI, and
tension the belt.
3. Loosen the mounting screw and position the switch
so the lever is in the center of the lock flange hole.
4. Re-tighten the screw and test the switch operation.
Figure 57. Belt tension safety switch
location (W1757).
Belt Tension Safety Switches
Figure 58. Belt Tension safety switch
(W1756).
Lock
Flange
Switch
Lever
Mounting
Screw