Drive motor shaking - Technical Troubleshooting discussion in Forkliftaction's forums

Crown RR5220-45:
Drive motor shaking

Have an 03 crown RR5200 1A282730 Freezer reach. DC drive motor. The motor shakes and almost binds when moving slow or calling for little acceleration. Move fine forward or reverse under moderate or heavy acceleration or plugging. Drive unit 7 months old. Replace motor pedestal wich have a broken bolt. 3 drive motors a new encoder. Known good Access 3. New battery. Even removed the brake and tested. This motor takes a fit at any speed if trying to maintain a speed.

Posted 16 Jan 2021 07:23
Modified 16 Jan 2021 07:56 by poster
Discussion started by ifsmike
Massachusetts, United States

when all else fails ,stand back and observe

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Can you describe more clearly what you mean by "shaking"? Do you have the same symptom running it with the drive tire off the floor?

Posted 21 Jan 2021 00:33
Reply by KOBrien
Texas, United States

kwelectronics1@gmail.com

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