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G1005Z Mill/Drill
-27-
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
Symptom Possible Cause Possible Solution
Machine does not
start or a breaker
trips.
1. Plug or receptacle is at fault or wired incor
-
rectly.
2. Start capacitor is faulty.
3. Motor connection is wired incorrectly.
4. Power supply is faulty, or is switched
OFF.
5. ON/OFF switch is faulty.
6. Cable or wiring is open or has high resis
-
tance.
7. Motor is at fault.
1. Test power plug and receptacle for good contact and
correct wiring.
2. Replace capacitor.
3. Correct motor wiring (see
Page 33).
4. Make sure all hot lines and grounds are operational
and have correct voltage on all legs.
5. Replace faulty switch.
6. Troubleshoot wires for internal or external breaks,
check for disconnected or corroded connections and
repair or replace wiring.
7. Test, repair or replace motor.
Machine stalls or
is underpowered.
1. Incorrect spindle speed for task.
2. Machine is undersized for the task.
3. Belt(s) is slipping.
4. Plug or receptacle is at fault.
5. Motor connection is wired incorrectly.
6. Pulley is slipping on shaft.
7. Motor bearings are at fault.
8. Motor has overheated.
9. Motor is at fault.
10. Feed rate is too high.
1. Decrease spindle speed.
2. Use smaller drill bits/cutters and reduce feed rate
and spindle speed.
3. Replace bad belts, align pulleys, and re-tension.
4. Test power plug and receptacle for good contact and
correct wiring.
5. Correct motor wiring (see
Page 33).
6. Replace loose pulley and shaft.
7. Rotate motor shaft for noisy or burnt bearings,
repair/replace as required.
8. Let cool, clean linside/outside of motor, and reduce
workload on machine.
9. Test, repair or replace motor.
10. Reduce feed rate.
Troubleshooting
Motor & Electrical