Craftex CX507, User Manual

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16
PROBLEM PROBABLE CAUSE SOLUTION
Abrasive strip comes loose from
clips Slack in abrasive strip abrasive
improperly installed Reattach abrasive strip.
Wood burned during sanding
1.
Abrasive strip edges
overlapped
2.
Abrasive loaded with resin
3.
Depth of cut excessive
4.
Feed rate too slow.
1.
Reattach abrasive strip properly.
2.
Replace abrasive.
3.
Try coarser grit – limit depth of
cut.
4.
Increase feed rate.
Sanding drum feed belt – runs
intermittently Shaft coupling loose See authorized Service Center
Sanding drum feed belt slips on
drive rollers Belt tension loose  Adjust belt tension.

Reduce depth of cut.

Reduce feed rate.
Stock slips on sanding drum feed
belt 1.
Feed rate excessive
2.
Dirty/worn conveyor belt
1.
Reduce feed rate.
2.
Replace/clean feed belt
Non-evenly spaced ripples on
stock Uneven feed rate.

Check for belt/gear slipping on
feed drive belt.

Motor stalls on conveyor feed
drive.
 Adjust belt tension,
Evenly spaced ripples on stock
1.
Sanding bed flexing
2.
Sander vibration – loose parts
3.
Drum dirty – out of balance
1.
Reduce depth of cut.
2.
Reduce feed rate.
3.
Check for: loose bolts, loose shaft
coupling set screws.
4.
Clean sanding drum if out of
balance. (have service performed
by a factory of authorized service
center.)
Motor overload trips or shop
wiring circuit breaker trips 1.
Excessive combined total load
on sanding drum and motor
2.
Low line voltage/extension cord
gage too small
3.
Excessive length or inadequate
gage extension cord.
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