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Ignorant question- Can I disengage a C model belt drive?

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Paul

05-13-2003 08:48:20




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Iíve got an old C-model that I have run only a few times in the years that Iíve had it. Itís been over a year since I had it going, but I am needing it right now. Iím having trouble getting it to turn over fast enough to start. The PTO is covered by an auxiliary hydraulic pump for a small loader, so I canít tell if itís turning, but the big belt pulley off to the side of the PTO does spin no matter what I do, so I assume the PTO is spinning too. I think thatís giving it enough drag to slow it down. It used to start easily, even with this spinning, but not now. Iíll try all the usual stuff to get it going, but my real question is how to disengage the belt pulley, (and I assume the PTO), or does it always spin? I know Iíll be thought of as too ignorant to own an Allis, but I could use this help. Thanks. Paul

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JMS/MN

05-13-2003 21:40:20




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 Re: Ignorant question- Can I disengage a C model belt drive? in reply to Paul, 05-13-2003 08:48:20  
When you buy a tractor, get the OPERATOR manual to learn how to run it. It's been over 40 years since I owned a Model C, but there is a lever to engage/disengage the pto/belt pulley. You don't need to tear the tractor apart to see what the problem is- get a manual first. Comments about maintaining good battery connections are appropriate- they can easily drop available power to the point where not enough is transmitted to turn it over fast enough to start. Most starting problems are due to lack of simple maintenance-check them out first before disassembly.

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Ross

05-13-2003 19:57:05




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 Re: Ignorant question- Can I disengage a C model belt drive? in reply to Paul, 05-13-2003 08:48:20  
Just out of curiousity and the fact you say you need it now. I'd start by cleaning your battery connection and it still spins slow could you "boost" it with an auxillary battery? Say use a 12 volt to spin the starter a little faster?
Just an idea probably not the best one
Ross



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Paul

05-15-2003 11:53:48




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 Re: Re: Ignorant question- Can I disengage a C model belt drive? in reply to Ross, 05-13-2003 19:57:05  
Yeah, I need it because it has a small loader on it. Thanks for all the input from everyone. It has a fully charged 12 volt battery and new cables, but the rest of the wiring is suspect. I've even tried jumping it to get more power. The starter always was a problem, so I'm gonna take it apart to see if there's something obvious there.



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steve

05-13-2003 15:25:08




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 Re: Ignorant question- Can I disengage a C model belt drive? in reply to Paul, 05-13-2003 08:48:20  
maybe your engine clutch is dragging and driving straight thru. put the tractor in first gear and then crank with the clutch pushed in, does it start to move forward? i also agree that starter, wiwres and battery terminals need cleaned. mine will start in gear with the pto engage,---if the battery and starter are strong.



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Unimog

05-13-2003 14:22:28




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 Re: Ignorant question- Can I disengage a C model belt drive? in reply to Paul, 05-13-2003 08:48:20  
I would think stepping on the clutch while you
are starting it would disengage the PTO as it
does not have live or independent PTO power. Even
if the PTO handle is not working right, depressing
the clutch pedal should do the trick. Really it
sounds like your starting componets need some
work as well.



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DonS

05-13-2003 09:20:48




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 Re: Ignorant question- Can I disengage a C model belt drive? in reply to Paul, 05-13-2003 08:48:20  
Set down on your tractor seat, reach down along your right leg, toward the axle housing and you should find a lever. It it is pulled upward the PTO is engaged, to disengage it push the lever down. Just remember there is no such thing as a igorant question only igorant answers.
Hope this helps



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Paul

05-13-2003 11:09:05




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 Re: Re: Ignorant question- Can I disengage a C model belt drive? in reply to DonS, 05-13-2003 09:20:48  
That's what I thought. But either it's not operating correctly, or the pulley spins independently of the PTO, which wouldn't make sense. The lever feels like it's engaging. What could be happening that it's not doing the job? Thanks.



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dave

05-13-2003 14:31:01




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 Re: Re: Re: Ignorant question- Can I disengage a C model belt drive? in reply to Paul, 05-13-2003 11:09:05  
If it's not doing its job, then something must of come unhooked inside.



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wdTom

05-13-2003 17:19:26




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 Re: Re: Re: Re: Ignorant question- Can I disengage a C model belt drive? in reply to dave, 05-13-2003 14:31:01  
Take cover/hydraulic pump off back of differential and look in and see if you can see what is going on. Oh, drain oil first, plub on bottomof differential.



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