Troubleshooting

Problem

Cause

Action

 

 

 

Drive belts jump teeth or squeak.

Damaged belt.

Replace belt.

 

Insufficient tension.

Tension drive belt.

 

Poor belt tracking.

Align Pulley.

Squealing, growling or grinding

Damage and/or worn bearing.

Remove drive belts, rotate arbor

noise coming from machine.

 

motor and fan shafts to locate

 

 

dragging or rough bearing.

 

 

Contact an authorized American

 

 

Sanders Technology 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 dust shoe and clear throat.

Motor will not start.

Defective motor starter.

Contact an authorized American

 

Defective start capacitor.

Sanders Technology dealer.

 

Contact an authorized American

 

Defective start switch.

Sanders Technology dealer.

 

Contact an authorized American

 

Poor connections.

SandersTechnology dealer.

 

Check connections.

 

Motor overload tripped.

Remove power. Depress reset

 

Defective motor.

button on motor

 

Contact an authorized American

 

 

Sanders Technology dealer.

 

No power.

Check power supply and connections.

 

 

 

Motor runs sluggishly.

Low voltage from excessive length,

Locate power source nearer to work

 

undersized extension cord, or poor

site. Check connections.

 

connection.

 

 

Defective run capacitor.

Contact an authorized American

 

 

Sanders Technology dealer.

 

Defective motor.

Contact an authorized American

 

 

Sanders Technology dealer.

Motor overload trips/repeatedly

Low voltage from excessive length,

Remove power, allow motor to cool.

trips

undersized extension cord, or poor

Depress reset button on motor.

 

connection.

Locate power source nearer to

 

 

worksite. Check connections.

 

 

Contact an authorized American

 

 

Sanders Technology dealer.

 

Excessive load.

Contact an authorized American

 

Defective start switch.

Sanders Technology dealer

 

Contact an authorized American

 

Defective motor starter.

Sanders Technology dealer.

 

Contact an authorized American

 

Defective motor.

Sanders Technology dealer.

 

Contact an authorized American

 

Defective capacitor.

Sanders Technology dealer.

 

Contact an authorized American

 

 

Sanders Technology dealer.

Uneven cut.

Leveling out of adjustment.

Readjust leveling.

 

 

 

Burning or glazing.

Dull abrasive.

Replace abrasive.

 

Too fine of an abrasive.

Use a coarser abrasive.

Waves on sanded surface.

Debris on wheels.

Remove and clean wheels.

 

Flat spot on tire(s).

Replace tires.

Page 12

AMERICAN SANDERS TECHNOLOGY EZ - 8 Sander Operator's Manual