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Allis Chalmers Discussion Forum
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WC Allis chalmers taction release lever

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GGS

06-13-2005 12:05:23




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I'm new to the orange tractors so whats the traction release lever for on these. Is it like a live power take or to assist in that somehow. Any help is appreciated!!!




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Dave NE IA

06-13-2005 20:41:00




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 Re: WC Allis chalmers taction release lever in reply to GGS, 06-13-2005 12:05:23  
I have only seen / run one with it but our neighbor had styled WC with a step up / step down / nuteral. I'm sure I will get some ill coments on this, but it was his bragging point on his big WC. My dad always comented that it was only actualy a step down, because you only had 8 forward speeds total. If it was a step up and step down you should have kept the original 4--thus giving a total of 12. We used the nuteral because it made it much more handy for us kids to find a gear--(it had a energy loader) and the shift lever was worn as usual so you had to slush the main shift lever. We all admit that 3 manure forks and us 3 boys would have been much faster, but you know how lazy boys can be. Dave NE IA

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JMS/MN

06-13-2005 17:35:16




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 Re: WC Allis chalmers taction release lever in reply to GGS, 06-13-2005 12:05:23  
I'm trying extremely hard to not flame the other responses, but they are mostly wrong. Once I realized what lever you were talking about-I can tell you this: It is a lever on the left side of the steering column, connected to a slide connector between the transmission and the differential, which allows you to quickly disconnect the two. It allows you to raise a mounted row-crop cultivator should you need to raise it when you are stuck in the mud, or up against an obstruction which prevents you from moving forward(which is required when using the WC cultivator raised by a Power-Lift mechanism driven by the transmission). It also allows you to quickly stop forward motion of the tractor when using a Roto-Baler- to allow putting string on the bale. Or stopping forward motion when using another pto powered machine like a combine, to allow a slug to go through. It is necessary to-momentarily, slightly, push in the foot clutch to use the throwout lever, and allow the pto to run. It has absolutely nothing to create a 'live power' pto. The first AC tractor with factory live pto was the 1948 WD. There was an aftermarket supplier that made a hand clutch that fit in the area of the slide assembly on a WC, which took the place of the Power-Lift unit, and provided live power. That unit had a long handle that was to the right of the steering wheel. The only one I've seen was one owned by a neighbor over 50 years ago. It was not common. The throwout lever was common on later WC tractors, but has nothing to do with live pto.

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acmfmh

06-14-2005 09:13:02




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 Re: WC Allis chalmers taction release lever in reply to JMS/MN, 06-13-2005 17:35:16  
The response you gave is correct. This lever was used to stop the forward motion and still use the powerlift. I think someone else also stated that.

I agree it is not for live pto. No need to flame anyone.



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GGS

06-13-2005 18:38:25




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 Re: WC Allis chalmers taction release lever in reply to JMS/MN, 06-13-2005 17:35:16  
Thats why we ask so we get the best possible answers from you fine folks!!!!



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Bill(Wis)

06-13-2005 15:53:32




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 Re: WC Allis chalmers taction release lever in reply to GGS, 06-13-2005 12:05:23  
It was one of those afterthoughts that were so common to AC. It was quite popular with farmers who owned the infamous roto-baler where ground speed had to be stopped for the bale to be ejected. This meant a lot of clutching and shifting. My understanding of it was that it could be shifted out to stop ground movement without using the clutch unless there was a lot of load involved like hill climbing. It is basically a dog clutch that became an option around the time the infamous roto-baler came out.

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JMS/MN

06-13-2005 17:41:42




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 Re: WC Allis chalmers taction release lever in reply to Bill(Wis), 06-13-2005 15:53:32  
The lever connects to a collar with internal splines, which slides forward and back to connect two externally splined shafts. Always stays on the forward shaft, slides to the rear to connect to the rear shaft. "Dogs" are used on things like overrunning clutches, ratchet assemblies, etc, with power transmitted in one direction only. The throwout collar works in forward and reverse mode.



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Bill(Wis)

06-13-2005 19:43:19




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 Re: WC Allis chalmers taction release lever in reply to JMS/MN, 06-13-2005 17:41:42  
One way dogs are very commonly found on old traction driven equipment such as side delivery hay rakes. There are dog clutches that are solid resembling castellated nuts which will support power application in either dirction. I have at least two pieces of equipment with such devices. The WC throw out clutch, from the way you describe it, would probably best be described as a sliding coupler. Just guessing because I've never seen one apart. Our '36 WC didn't have one and we bought a WD in '49 so that solved that.

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JMS/MN

06-13-2005 20:18:07




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 Re: WC Allis chalmers taction release lever in reply to Bill(Wis), 06-13-2005 19:43:19  
A couple of years ago I bought the remains of a styled WC that was made into a reversed loader. I wanted the bell housing with the starter hole. It had the throwout assembly and rear end as well. I was surprised - as well as relieved when I retained my toes- when I disassembled it and the throwout housing fell out at my feet. I expected things to be bolted together! That torque tube assembly between the tranny and differential just sort of sits there, with nothing holding it except the usual AC good looks and charm. Rather fun to see the insides, after using it so many years ago.

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GGS

06-13-2005 16:39:09




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 Re: WC Allis chalmers taction release lever in reply to Bill(Wis), 06-13-2005 15:53:32  
Like always i knew you guys would have the answers!!

THANKS



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acmfmh

06-13-2005 13:24:17




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 Re: WC Allis chalmers taction release lever in reply to GGS, 06-13-2005 12:05:23  
The lever was originally there so one could release the rearend from moving the tractor and raise the cultivators. You can only use the powerlift when the transmission output shaft is turning. This is done with the tractor in a gear and the clutch released.



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GGS

06-13-2005 13:32:28




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 Re: WC Allis chalmers taction release lever in reply to acmfmh, 06-13-2005 13:24:17  
That makes sense i guess. Then i suppose you could kick it out and stop the tractor to keep the pto running then???



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acmfmh

06-13-2005 15:25:18




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 Re: WC Allis chalmers taction release lever in reply to GGS, 06-13-2005 13:32:28  
Yes, you could. But, when the clutch is pushed in to release the lever the implement will begin to slow. Depending on what you are using this could clog the implement. Also, need overrunning clutch if you were to run a pull type mower.

My experience is that it will not release without pushing in on the clutch. I think it is a sliding worm type gear. But, I don't remeber exactly. Someone else maybe able to chim in on that.

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gary lee

06-13-2005 12:45:59




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 Re: WC Allis chalmers taction release lever in reply to GGS, 06-13-2005 12:05:23  
since i'm new to these as well, i'm guessing this is the lever that goes into the box that hooks up right infront of the rear differential.



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GGS

06-13-2005 12:55:55




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 Re: WC Allis chalmers taction release lever in reply to gary lee, 06-13-2005 12:45:59  
yes and just to the right of it is the pto.



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gary lee

06-13-2005 13:09:09




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 Re: WC Allis chalmers taction release lever in reply to GGS, 06-13-2005 12:55:55  
i was wondering myself what it's for. if you were using this tractor for say an elevator or auger, you could leave the tranny in neutral and the pto would work, or for towing down the road, same thing. hope someone that knows these tractors has the answer.



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GGS

06-13-2005 12:54:07




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 Re: WC Allis chalmers taction release lever in reply to gary lee, 06-13-2005 12:45:59  
yes and just to the right of it is the pto.



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