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MAINTENANCE
-30-
Troubleshooting
SYMPTOM
Motor will not start; fuses or
circuit breakers blow.
Motor overheats.
Motor stalls (resulting in
blown fuses or tripped
circuit).
Machine slows when
operating.
Loud, repetitious noise
coming from machine
Machine is loud, overheats or
bogs down in the cut.
Edges of wood are rounded.
Uneven thickness from left to
right of board.
Workpiece slips on feed belt.
Straight strip of notches on
workpiece.
Snake shaped marks on
workpiece.
POSSIBLE CAUSE
1. Low voltage.
2. Open circuit in motor or loose or
shorted connections.
3. Short circuit in motor or loose
connections.
4. Incorrect fuses or circuit breakers.
5. Faulty start capacitor.
6. Faulty motor.
1. Motor overloaded.
2. Air circulation through the motor
restricted.
1. Short circuit in motor or loose
connections.
2. Low voltage.
3. Incorrect fuses or circuit breakers
in power line.
4. Motor overloaded.
5. Faulty run capacitor.
1. Feed rate too high.
2. Depth of cut too great.
1. Pulley set screws or keys are
missing or loose.
2. Motor fan is hitting the cover.
3. V-belt is defective.
1. Excessive depth of cut.
2. Dull sanding belt.
Excessive depth of cut.
1. Feed table not parallel to sanding
roller.
2. Feed belt is worn.
1. Pressure rollers set too high.
2. Dirty feed belt.
3. Feed belt is worn.
Pressure rollers are dirty or
damaged.
Sanding belt damaged or dirty.
HOW TO REMEDY
Check power line for proper voltage.
Inspect all lead connections on motor for loose, shorted, or
open connections and replace or repair.
Inspect all connections on motor for loose or shorted
terminals or worn insulation.
Install correct fuses or circuit breakers.
Replace the start capacitor and do not to overload motor.
Replace motor.
Reduce load on motor.
Clean out motor to provide normal air circulation.
Inspect connections on motor for loose or shorted terminals
or worn insulation.
Correct the low voltage conditions.
Install correct fuses or circuit breakers.
Reduce load on motor.
Replace the run capacitor.
Feed workpiece slower.
Reduce depth of cut.
Inspect keys and set screws. Replace or tighten if
necessary.
Tighten fan.
Replace V-belt. See Maintenance section.
Decrease depth of cut.
Replace sanding belt.
Reduce depth of cut.
Adjust the table.
Replace feed belt.
Lower pressure rollers.
Clean feed belt.
Replace feed belt.
Clean or repair pressure rollers.
Clean or replace sanding belt.