Table of Contents
Advertisement
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 not
1. Emergency stop push-button is engaged/
start or a breaker
faulty.
trips.
2. Motor connection wired incorrectly.
3. Spindle direction switch is at fault.
4. Circuit board or control board is at fault.
5. Speed rotary switch is at fault.
6. Wiring is open/has high resistance.
7. Motor is at fault.
8. Frequency inverter is at fault.
Machine stalls or is
1. Machine is undersized for the task.
underpowered.
2. Feed rate/cutting speed too fast for task.
3. Belt slipping.
4. Motor connection is wired incorrectly.
5. Pulley slipping on shaft.
6. Motor bearings are at fault.
7. Motor has overheated.
8. Motor is at fault.
Machine has
1. Motor or component is loose.
vibration or
noisy operation
2. Belt worn or loose.
(without workpiece
3. Pulley is loose.
installed).
4. Machine is incorrectly mounted or sits
unevenly on floor.
5. Motor mount loose/broken.
6. Motor bearings are at fault.
Model G0733 (Mfd. Since 5/19)
Troubleshooting
Possible Solution
1. Open switch cover and press ON button/replace it.
2. Correct motor wiring connections.
3. Replace faulty spindle direction switch.
4. Replace faulty board.
5. Replace bad speed rotary switch.
6. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
7. Test/repair/replace.
8. Replace.
1. Use sharp lathe bits and chisels; reduce the feed
rate/depth of cut.
2. Decrease feed rate/cutting speed.
3. Replace bad belt and re-tension (see Page 37).
4. Correct motor wiring connections.
5. Replace loose pulley.
6. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
7. Clean off motor, let cool, and reduce workload.
8. Test/repair/replace.
1. Inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. Inspect/replace belts (see Page 37).
3. Replace shaft, pulley, setscrew, and key as
required.
4. Tighten/replace anchor studs in floor; relocate/shim
machine; adjust feet.
5. Tighten/replace.
6. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Troubleshooting
-35-
Advertisement
Table of Contents
