Grizzly MOBILE PLANERS G0453 - Manual (Page 35)

-33- G0453/G0454 (Mfg. Since 3/08)
SEctION 7: SERvIcE
troubleshooting
Motor & Electrical
symptom possible Cause possible solution
Machine does not
start or a breaker
trips. 1. stop push-button engaged/faulty.
2. power supply switched oFF or at fault.
3. thermal overload relay has tripped.
4. Wall circuit breaker tripped.
5. plug/receptacle at fault/wired wrong.
6. Motor connection wired wrong.
7. Contactor not energized/has poor contacts.
8. Wiring open/has high resistance.
9. on/oFF switch at fault.
10. start capacitor at fault.
11. Centrifugal switch at fault.
12. Motor at fault. 1. rotate button to reset/replace it.
2. Ensure power supply is on/has correct voltage.
3. reset; adjust trip load dial if necessary; replace.
4. Ensure circuit size is correct/replace weak breaker.
5. test for good contacts; correct the wiring.
6. Correct motor wiring connections (
Pages 47–48).
7. test all legs for power/replace if faulty.
8. Check/fix broken, disconnected, or corroded wires.
9. replace switch.
10. test/replace if faulty.
11. Adjust/replace centrifugal switch.
12. test/repair/replace.
Machine stalls or is
underpowered. 1. Feed rate too fast.
2. Workpiece material not suitable.
3. dust collection ducting problem.
4. Motor overheated.
5. Machine undersized for task.
6. V-belt(s) slipping.
7. Motor wired incorrectly.
8. plug/receptacle at fault.
9. run capacitor at fault.
10. pulley/sprocket slipping on shaft.
11. Motor bearings at fault.
12. Contactor not energized/has poor contacts.
13. Motor at fault.
14. Centrifugal switch at fault.
1. decrease feed rate.
2. only cut wood/ensure moisture is below 20%.
3. Clear blockages, seal leaks, use smooth wall duct,
eliminate bends, close other branches.
4. Clean motor, let cool, and reduce workload.
5. use sharp blades/inserts; reduce feed rate or depth
of cut.
6. tension/replace belt(s) ( Page 37); ensure pulleys
are aligned ( Page 45).
7. Wire motor correctly ( Pages 47–48).
8. test for good contacts/correct wiring.
9. test/repair/replace.
10. replace loose pulley/shaft.
11. test/repair/replace.
12. test all legs for power/replace if faulty.
13. test/repair/replace.
14. Adjust/replace centrifugal switch.
Machine has
vibration or noisy
operation. 1. Belts slapping cover.
2. Knives/gibs at fault.
3. Blade at fault.
4. V-belt(s) worn or loose.
5. pulley loose.
6. Motor mount loose/broken.
7. Machine incorrectly mounted.
1. replace/realign belts with a matched set.
2. resharpen/replace knives; set knife alignment/
height correctly.
3. replace warped/bent blade; resharpen dull blade.
4. inspect/replace belts with a new matched set.
5. realign/replace shaft, pulley, setscrew, and key.
6. tighten/replace.
7. tighten mounting bolts; relocate/shim machine.
Review the troubleshooting and 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 at (570) 546-9663.
Note: Please gather the serial number and manufacture date of your machine before calling.