36
Fig. 16
7. TROUBLESHOOTING OPERATING PROBLEMS
Trouble
Possible cause
Solution
Sander will not start
1. Sander unplugged from wall or motor
2. Fuse blown or circuit breaker tripped
3. Cord damaged
1. Check all plug connections
2. Replace fuse or reset circuit breaker
3. Replace cord
Sanding belt does not come up
to speed
1. Extension cord too light or too long
2. Motor not wired for proper voltage
3. Low current
1. Replace with adequate size and length
cord
2. Refer to motor junction cover for pro-
per wiring
3. Contact a qualified electrician
Machine vibrates excessively
1. Stand on uneven floor
2. Motor mounts are loose
3. Tension spring is worn or broken
1. Adjust stand so that it rests evenly on
the floor
2. Tighten motor mount bolts
3. Replace spring
Abrasive belt keeps tearing
1. Belt is running in the wrong direction 1. Arrow on the sanding belt and machine
should be pointing in the same direction.
Sanded edge not square
1. Table not square to sanding platen
1. Use a square to adjust table to sanding
platen
Sanding marks on wood
1. Wrong grit sanding belt
2. Feed pressure too great
3. Sanding against the grain
1. Use coarser grit for stock removal and
fine grit for finish sanding.
2. Never force work into sanding platen
3. Sand with the grain