Troubleshooting - MULTIQUIP Mikasa UM Series Operation Manual

Symptom
Motor Does Not Start
Rattling Noise From Rear Of
Housing Area
Rattling Noise From Shaft End
Symptom
Shaft Binding
Leaking Vibrator Head
UM HANDHELD VIBRATOR • OPERATION MANUAL — REV. #0 (06/29/20) — PAGE 15
Table 4. Troubleshooting (Drive Motor)
Possible Problem
No power to motor?
Defective ON/OFF switch?
Rear bearing failure?
Worn coupler?
Forward bearing failure?
Table 5. Troubleshooting (Vibrator)
Possible Problem
Shaft kinked?
Defective shaft?
Too much oil in head casing?
Head bearings/seals defective?

TROUBLESHOOTING

Solution
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.
Replace switch.
Replace bearing.
Disconnect coupler and turn motor on. If noise
goes away, replace coupler. If noise remains,
check forward bearing.
Replace bearing.
Solution
Straighten out shaft.
Replace shaft/head.
Fill head casing to recommended level.
Replace shaft/head.