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SECTION 7: SERVICE
Review the troubleshooting procedures in this section if a problem develops with your machine. If you need
replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather the
serial number and manufacture date of your machine before calling.
Motor & Electrical
Symptom
Possible Cause
Machine does
1. Plug/receptacle is at fault or wired
not start or a
incorrectly.
breaker trips.
2. Start capacitor is at fault.
3. Motor connection wired incorrectly.
4. Wall fuse/circuit breaker is blown/tripped.
5. Power supply switched OFF or is at fault.
6. Wiring is open/has high resistance.
7. Power ON/OFF switch is at fault.
8. Centrifugal switch is at fault.
9. Motor is at fault.
Machine has
1. Boring bit is at fault.
vibration or
2. Motor or component is loose.
noisy operation.
3. Motor fan is rubbing on fan cover.
4. Machine is incorrectly mounted or sits
unevenly on workbench or stand.
5. Motor mount loose/broken.
6. Motor or boring head bearings are at fault.
7. Centrifugal switch is at fault.
Machine slows
1. Workpiece material is not suitable for
or stalls.
this machine, or machine undersized
for the task.
2. Run capacitor is at fault.
3. Motor connection is wired incorrectly.
4. Plug/receptacle is at fault.
5. Motor or boring head bearings are at fault.
6. Centrifugal switch is at fault.
7. Motor has overheated.
8. Motor is at fault.
Model G0718 (Mfd. Since 12/10)
Troubleshooting
Possible Solution
1. Test for good contacts; correct the wiring.
2. Test/replace if faulty.
3. Correct motor wiring connections.
4. Ensure circuit size is suitable for this machine;
replace weak breaker.
5. Ensure power supply is switched on; ensure
power supply has the correct voltage.
6. Check for broken wires or disconnected/
corroded connections, and repair/replace as
necessary.
7. Replace faulty ON/OFF switch.
8. Adjust/replace the centrifugal switch if available.
9. Test/repair/replace.
1. Replace dull or bent boring bit.
2. Inspect/replace stripped or damaged bolts/
nuts, and re-tighten with thread locking fluid.
3. Replace dented fan cover; replace loose/
damaged fan.
4. Tighten/replace fasteners; relocate/shim machine.
5. Tighten/replace.
6. Replace bearings.
7. Replace centrifugal switch.
1. Only drill wood products; make sure moisture
content is below 20% and use sharp bits/
reduce downfeed rate.
2. Test/repair/replace.
3. Correct motor wiring connections.
4. Test for good contacts; correct the wiring.
5. Replace bearings.
6. Adjust/replace centrifugal switch.
7. Clean off motor, let cool, and reduce workload.
8. Test/repair/replace.
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