American Standard ALTO 70145A 11/00 - Manual (Page 18)

Page 18 AMERICAN SANDERS TECHNOLOGY Classic 8 Operator's Manual
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Chatter
Troubleshooting
Drive belts slip. Insufficient tension. Tension drive belt as described in
(Squeaking or squealing sound) adjustment procedures.
Worn belts. Replace belts.
Squealing, growling or grinding Damaged and/or worn bearing. Remove drive belts, rotate arbor
noise coming from machine. motor, fan, shafts and idler pulley to
locate dragging or rough bearing.
Contact an authorized dealer.
Dust pick-up is poor. Dust bag is over 1/3 full. Empty contents of bag.
Dust bag is dirty. Shake debris from bag and wash.
Dust shoe is improperly adjusted. Readjust dust shoe.
Dust chute is obstructed. Remove fan cover and clear throat.
Motor will not start. Defective motor starter. Contact an authorized dealer.
Defective start capacitor. Contact an authorized dealer.
Defective electronic start switch. Contact an authorized dealer.
Low voltage from poor connection. Contact an authorized dealer.
Defective motor. Contact an authorized dealer.
No power. Check power supply and
connections.
Motor runs sluggishly. Low voltage from excessive footage, Locate power source nearer to work
undersized extension cord, or poor site. Decrease sanding pressure.
connection.
Defective run capacitor. Contact an authorized dealer.
Defective motor. Contact an authorized dealer.
Motor starter trips/repeatedly Excessive load. Contact an authorized dealer.
trips.
Defective electronic start switch. Contact an authorizeddealer.
Defective motor starter. Contact an authorized dealer.
Low voltage from poor connection. Contact an authorized dealer.
Defective motor Contact an authorized dealer.
Defective capacitor. Contact an authorized dealer.
Uneven cut. Leveling out of adjustment. Readjust leveling.
Abrasive belt tracking. Adjust belt to track towards the edge
of drum with deepest cut.