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G0463 Small Mill/Drill
-25-
Review the troubleshooting and procedures in this section to fix your machine if a problem develops. If you
need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support
at (570) 546-9663.
SECTION 7: SERVICE
About Service
Symptom Possible Cause Possible Solution
Motor will not start.
1. E-Stop button is pressed.
2. Open circuit in motor or loose connec
-
tions.
3. Blown system fuse.
1. Twist E-Stop until in pops out.
2. Inspect all lead connections on motor
for loose or open connections.
3. Replace fuse.
Motor will not start; fuses or circuit break
-
ers blow.
1. Short circuit in line cord or plug.
1. Repair or replace cord or plug for dam-
aged insulation and shorted wires.
Motor shuts off unexpectedly. 1. Motor is overloaded due to high feed
rate.
2. Thermal protection unit is overheat
-
ed.
1. Reduce feed rate and amount of
material removed.
2. Wait for system to cool down.
Motor overheats. 1. Motor overloaded.
2. Air circulation through the motor
restricted.
3. Motor brushes are wearing.
1. Reduce load on motor.
2. Clean out motor to provide normal air
circulation.
3. Inspect motor brushes, replace if nec
-
essary.
Motor stalls (resulting in blown fuses or
tripped circuit).
1. Short circuit in motor or loose connec
-
tions.
2. Low voltage.
3. Incorrect fuses or circuit breakers in
power line.
4. Motor overloaded.
1. Repair or replace connections on
motor for loose or shorted terminals
or worn insulation.
2. Correct the low voltage conditions.
3. Install correct fuses or circuit break
-
ers.
4. Reduce load on motor.
Cutter slows when cutting. 1. Brushes worn. 1. Replace brushes (Page 30
).
Poor surface finishes. 1. Feed rate to fast.
2. Dull cutter.
3. Lock not tightened down.
4. Gibs loose.
1. Slow feed rate.
2. Always use newly sharpened cutters.
3. Tighten column and table locks when
possible to maintain rigidity.
4. Adjust gibs.
Vibration when running or cutting. 1. Loose table.
2. Loose gibs.
3. Feed rate too high.
1. Tighten table locks.
2. Adjust gibs.
3. Slow feed rate or adjust RPM.
Difficulty removing collet from spindle. 1. Debris in spindle taper or collet taper
or both.
2. Head not locked in position.
1. Keep all taper surfaces spotlessly
clean.
2. Lock head in place on column.
Troubleshooting