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Old 01-30-2018, 10:58 AM   #1
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Default Boat Lift Screaming

#10,000 cradle lift with plate drives. Every fitting on the lift has been greased multiple times, including those involving the main drive gear/drive pipe. Main beams have been leveled to ensure they are true. The lift only screams at a very specific point on the way down. It's silent on the way up. Seems to be coming from the plate drive.

I've noticed the plate drives are not exactly perpendicular to the beams. Could this be causing the issue? If so, how do I adjust this?

Thanks!
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Old 02-03-2018, 06:54 PM   #2
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Pictures? Especially this plate not being perpendicular. Since it only makes a noise at a specific point there has to be something off. You can video to capture that sound too.
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Old 02-06-2018, 07:08 AM   #3
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Add more grease to the worm gear. You need to do it with no boat on it and as its running.
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Old 02-06-2018, 08:01 AM   #4
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Here's how the plate drives are oriented. Lift manufacturer said this is normal. I've got so much grease in this thing that it's now a mess. The one thing I haven't tried is greasing it with the boat off the lift, which is my next step. I just can't understand why it only happens at a very specific point of travel on the way down.
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Old 02-09-2018, 04:11 AM   #5
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Did this ever get solved?
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Old 02-09-2018, 06:22 AM   #6
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Not yet, I'll have the opportunity on Sunday I hope...I'll report back...
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