Grizzly G0679, Руководство пользователя

Страница: 35 / 56

g0679 stroke/Edge sander
-33-
review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. 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
Troubleshooting
Motor & Electrical
symptom possible Cause possible solution
Machine does not
start or a breaker
trips. 1. power supply switched oFF or is at fault.
2. start capacitor is at fault.
3. Motor connection wired incorrectly.
4. Wall fuse/circuit breaker is blown/tripped.
5. Wiring is open/has high resistance.
6. Motor on/oFF switch is at fault.
1. Ensure power supply is switched on; ensure power
supply has the correct voltage.
2. test/replace if faulty.
3. Correct motor wiring connections (
page 38 ).
4. Ensure circuit size is suitable for this machine;
replace weak breaker.
5. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
6. replace faulty on/oFF switch.
Machine stalls or is
overloaded. 1. Motor connection is wired incorrectly.
2. Motor bearings are at fault.
3. Motor has overheated.
4. Motor is at fault.
1. Correct motor wiring connections (
page 38
).
2. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
3. Clean off motor, let cool, and reduce workload.
4. test/repair/replace.
Machine has
vibration or noisy
operation.
1. Motor or component is loose.
2. Motor mount loose/broken/incorrect.
3. Motor fan is rubbing on fan cover.
4. Motor bearings are at fault.
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. tighten/replace/adjust.
3. replace dented fan cover; replace loose/damaged
fan.
4. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.