Nilfisk-ALTO Classic 12 - Manual (Page 18)

Page 18
AMERICAN SANDERS TECHNOLOGY Classic 12 Belt Sander Operator's Manual
T
roubleshooting Problem Cause Action
Drive belts slip.
(Squeaking or squealing sound)
Squealing, growling or grinding noise
coming from machine.
Dust pick-up is poor.
Motor will not start.
Motor runs sluggishly.
Motor circuit breaker trips/repeatedly
trips.
Uneven cut.
Insufficient tension.
Worn Belts.
Damaged and/or worn bearing.
Dust bag is over 1/3 full.
Dust bag is dirty.
Dust shoe is improperly adjusted.
Dust chute is obstructed.
Extremely fine dust and clogged pores.
Defective circuit breaker.
Defective start capacitor.
Defective electronic start switch.
Low voltage from poor connection.
Defective motor.
No power at outlet.
Low voltage from excessive footage,
undersized extension cord, or poor
connection.
Defective bearing.
Defective run capacitor.
Defective Motor.
Excessive load.
Defective electronic start switch.
Defective motor circuit breaker.
Low voltage from poor connection.
Defective motor.
Defective capacitor.
Operating on wrong voltage or frequency.
Leveling out of adjustment.
Abrasive belt tracking.
Tension drive belt as described in
adjustment procedures. (Page 6)
Replace belts.
Remove drive belts, rotate arbor motor,
fan, shafts and idler pulley to locate
dragging or rough bearing.
Contact an authorized dealer.
Empty contents of bag.
Shake debris from bag and wash.
Readjust dust shoe.
Remove fan cover and clear throat.
Shake debris from bag and wash.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Check power supply and connections.
Locate power source nearer to work site.
Decrease sanding pressure.
See squealing , etc. above to locate
defective bearing.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Contact an authorized dealer.
Verify power supply is as marked on
motor nameplate.
Readjust leveling. (Fig. 13, Page 14)
Adjust belt to track towards the edge of
drum with deepest cut. (Fig 14, Page 14)