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CV SERIES VIBRATOR MOTOR • OPERATION AND PARTS MANUAL — REV. #0 (04/30/13) — PAGE 23
TROUBLESHOOTING
Table 9. Troubleshooting (Drive Motor)
Symptom Possible Problem Solution
Motor Does Not Start
No power to motor?
Verify unit is plugged to proper outlet. Verify
extension cords are properly plugged in and are
not cut or pinched. Verify power is available at
outlet. Check main switch or breaker.
Defective ON/OFF switch? Replace switch.
Rattling Noise From Rear Of
Housing Area
Rear bearing failure? Replace bearing.
Rattling Noise From Shaft End
Worn coupler?
Disconnect coupler and turn motor on. If noise
goes away, replace coupler. If noise remains,
check forward bearing.
Forward bearing failure? Replace bearing.
Table 10. Troubleshooting (Flexshaft)
Symptom Possible Problem Solution
Flexshaft Binding
Flexshaft kinked? Straighten out flexshaft.
Defective flexshaft? Replace flexshaft.
Too much grease in flexshaft
casing?
Relube flexshaft.
Leaking Vibrator Head
Too much oil in head casing? Fill head casing to recommended level.
Head bearings/seals
defective?
Replace vibrator head.