I recently purchased a Lionel 282 gantry crane and it works fine except, when lifting in the "up" direction, the clutch appears to slip causing a loud clicking sound. I have attached videos of the problem. I did clean around the clutch to make sure that it wasn't too slippery, but it still slips. Any suggestions? It has also always "hesitated" as you can hear in the video even when the clutch doesn't slip like a car changing gears if that is a good analogy. I am afraid that the clutch may damage the other nylon gear if this continues. 

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Videos (2)
VID_20200129_075422222
VID_20200129_080026051
Original Post

What voltage are you using for the Crane? It sounds like about 14V which should be fine. Obviously a too-low voltage would cause the solenoid to have insufficient pull to keep the clutch engaged.

Lew

 

Operator of the Plywood Empire Route in the Beautiful Berkshires

Growing old is so much more fun than the only alternative.

geysergazer posted:

What voltage are you using for the Crane? It sounds like about 14V which should be fine. Obviously a too-low voltage would cause the solenoid to have insufficient pull to keep the clutch engaged.

I am using 14vac, so I do not think that is the issue. The same happens at lower voltages as well. 

Watching the video it happens once a revolution of the winch shaft, at the same spot! Burr on the nylon gear? Bent winch shaft? Worn bearing allowing the nylon gear to spraddle away from the mating worm? The "bearing" is actually a shoulder on the underside of the nylon gear that fits into a counterbore in the cast base plate.

There is definitely something going on there. You can see the winch shaft move away from the worm/clutch shaft.

Lew

 

Operator of the Plywood Empire Route in the Beautiful Berkshires

Growing old is so much more fun than the only alternative.

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