OPERATING CONTROLS AND ADJUSTMENTS
STARTING AND STOPPING THE ABRASIVE FINISHING MACHINE
To start the machine, push “ON” button (A) Fig. 10. To stop the machine, push “OFF” button (B).
LOCKING SWITCH
IN THE “OFF” POSITION
IMPORTANT: When the machine is not in use, the switch should be locked in the OFF position using a padlock (A) Fig. 11, with a 3/16" diameter shackle to prevent unauthorized use.
ADJUSTING SANDING BELT TENSION AND TRACKING
YOUR MACHINE IS SHIPPED WITHOUT BELT TEN- SION APPLIED TO THE SANDING BELT. BEFORE OPERATING THE MACHINE IT IS VERY IMPORTANT THAT THE SANDING BELT IS PROPERLY ADJUSTED FOR CORRECT BELT TENSION AND IS TRACKING PROPERLY, AS FOLLOWS:
DISCONNECT MACHINE FROM POWER SOURCE.
1.Remove lock knob and washer (A) Fig. 12. Remove top cover (B).
2.Turn the belt tension handle (C) Fig. 13, clockwise to increase belt tension. Correct tension is determined by two things:
(1)The belt should be flat on the platen.
(2)The belt should be sufficiently tensioned to prevent slipping on very heavy work. For ordinary work, a tension just sufficient to take the curl out of the belt is recommended.
3.Loosen tracking lock knob (D) Fig. 14, and while rotating the belt (F) by hand, tighten or loosen tracking knob (E) until the belt is running true on the pulleys.
4.Then jog the machine on and off to check further if the belt is tracking properly. If the belt is leading to one side or the other, very gently turn the tracking knob (E) Fig. 14, clockwise to move the belt toward the adjusting screw and counterclockwise to move the belt away from the adjusting screw while jogging the machine on and off.
5.A final adjustment can be made with the motor running. THIS ADJUSTMENT IS USUALLY VERY SLIGHT. After the belt is tracking properly, tighten the lock knob (D) Fig. 14, being careful the adjusting screw
(E) does not turn.
6.Replace top cover (B) Fig. 12.
A
B
Fig. 10
A
Fig. 11
B
A
Fig. 12
C
Fig. 13
E
D
F
Fig. 14
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