Grizzly G3102, Руководство пользователя

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G3102/G3103 Vertical Mill
-37-
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. ON/OFF button is at fault.
2. Plug/receptacle is at fault or wired
incorrectly.
3. Power supply is switched OFF or is at
fault.
4. Motor connection wired incorrectly.
5. Motor windings or motor is at fault.
1. Replace faulty ON/OFF button.
2. Test for good contacts; correct the wiring.
3. Ensure hot lines have correct voltage on all legs and
main power supply is switched ON.
4. Correct motor wiring connections ( Page 42).
5. Replace motor.
Machine stalls or is
overloaded. 1. Machine is undersized for the task.
2. Workpiece alignment is poor.
3. Dull or incorrect cutting tool.
4. Motor connection is wired incorrectly.
5. Plug/receptacle is at fault.
6. V-belts loose or worn.
7. Pulley/sprocket slipping on shaft.
8. Motor bearings are at fault.
9. Motor has overheated.
10. Motor is at fault.
1. Use smaller sharp tooling; reduce the feed rate;
reduce the spindle RPM; use coolant.
2. Eliminate workpiece binding; use vise or clamps as
required for workpiece alignment control.
3. Use sharp and correct cutting tool for the operation.
4. Correct motor wiring connections (
Page 42).
5. Test for good contacts; correct the wiring.
6. Properly tension V-belts (
Page 28).
7. Replace loose pulley/shaft.
8. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
9. Clean off motor, let cool, and reduce workload.
10. Test and repair or replace.
Machine has
vibration or noisy
operation.
1. Tool holder or cutter is at fault.
2. Workpiece alignment is poor.
3. Motor or component is loose.
4. Pulley is loose.
5. Machine is incorrectly mounted or sits
unevenly.
6. Motor fan is rubbing on fan cover.
7. Motor bearings are at fault.
1. Replace out-of-round tool holder; replace/resharpen
cutter; use appropriate feed rate and cutting RPM.
2. Eliminate workpiece binding; use vise or clamps as
required for workpiece alignment control.
3. Inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
4. Realign/replace shaft, pulley, setscrew, and key as
required.
5. Tighten/replace mounting bolts in floor; relocate/
shim machine.
6. Replace dented fan cover or fan.
7. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.