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Implement Alley Discussion Forum

Overrun clutch

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Author  [Modern View]
Rick Remmert

08-11-2014 16:28:48
68.103.4.23



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I have an overuning clutch on my Super C. I pull both a fast hitch sickle mower and a 5" rotary mower. It works fine with the rotary mower, but with the sickle mower, the pto shaft runs at to big of an angle. The clutch adds to much length to the pto shaft. My question is what can I replace the roll pin that holds the clutch on with so I can remove it faster than driving the roll pin out everytime. I thought about drilling one of the grease zerk holes out and tapping it for a bolt or run the bolt all the way thru and put a nut on one side. You guys got any good ideas?

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Bob

08-11-2014 17:26:52
64.255.159.192



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 Re: Overrun clutch in reply to Rick Remmert, 08-11-2014 16:28:48  
The BAD news is that you CAN"T replace the internal rollpin with a bolt or pin that passes all the way through the ORC, as doing so would lock the inner and outer parts of the ORC together, and render it useless as an ORC.

The GOOD news is that you don"t really need an ORC with a sickle mower, as it has no wheres near the store inertia as a rotary cutter does, and an ORC is NOT required for a sickle mower. (Although it"s probably an OK idea.)

The other plan would be to cut/shorten the PTO shaft on the sickle mower.

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Texasmark1

08-12-2014 06:29:58
172.242.0.194



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 Re: Overrun clutch in reply to Bob, 08-11-2014 17:26:52  
I agree on the lack of inertia deleting the ORC requirement. Probably take it all of 5 seconds to stop on it's own.

So, no clutch, no extra length, problem solved.

Mark



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JRSutton

08-13-2014 07:45:40
71.174.108.252



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 Re: Overrun clutch in reply to Texasmark1, 08-12-2014 06:29:58  
And if you want a third opinion - I'd agree too.

No need for an overrun clutch on a sickle mower.

... unless there's some oddball mower I've never seen with a huge flywheel of some sort that stores energy, but I'm guessing not.



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