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Oliver 550 PTO engaged


 
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Hardpan
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Joined: 23 Jul 2014
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PostPosted: Wed Jan 13, 2021 2:32 pm    Post subject: Oliver 550 PTO engaged Reply to specific post Reply with quote

Finally found me the 550 I have been looking for these past few years. Got it yesterday and used the Oliver inspection you guys gave me a
while back. Waiting for the shop manual but in the meantime the PTO will not disengage. Previous owner said that it developed the constant
active position some time back and he had the PTO clutch plates cleaned and reinstalled. This worked for a short time but soon went back to
stuck in active position with no response from the selector. I remember reading once about a cam type adjustment on the selector position but
can't retrieve it. Appreciate any thoughts you all might have. I am going to need a fair amount of help on this fellow cause he needs lots of
work and I never fooled with a Oliver before. So beware!
 
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mechknit
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PostPosted: Wed Jan 13, 2021 2:41 pm    Post subject: Re: Oliver 550 PTO engaged Reply to specific post Reply with quote

Highly recommend a purchase of a shop manual. An operators manual does show how to adjust the pto clutch also.
 
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SPMN
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PostPosted: Wed Jan 13, 2021 8:35 pm    Post subject: Re: Oliver 550 PTO engaged Reply to specific post Reply with quote

Probably has gotten hot due to slippage & warped the steel discs which is fairly common
 
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rrlund
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PostPosted: Thu Jan 14, 2021 6:39 am    Post subject: Re: Oliver 550 PTO engaged Reply to specific post Reply with quote

Does it stop with a load on it?
 
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Hardpan
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PostPosted: Thu Jan 14, 2021 7:15 am    Post subject: Re: Oliver 550 PTO engaged Reply to specific post Reply with quote

The PTO is fully engaged and has full power per digging post holes. I have the big shop manual and parts manual on the way but was hoping someone would tell me you just need to adjust this thingee. I have done many models of Farmalls and Fords over the past twenty years and jumped at the chance to add this particular model of Oliver to my collection. Somewhere I read there was a way to adjust the linkage but maybe it wasn't even on an Oliver
 
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rrlund
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PostPosted: Thu Jan 14, 2021 9:30 am    Post subject: Re: Oliver 550 PTO engaged Reply to specific post Reply with quote

There's a plate up underneath with 4 bolts holding it on. Take that off, then with the lever disengaged, roll the shaft around until you find the pin that you push in, and turn the collar. Sounds like it's either adjusted too tight or a pin has come out of the spider so it won't disengage. Best to have somebody else on hand to move the lever while you look up inside from underneath so you can see what's moving.
 
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Hardpan
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PostPosted: Fri Jan 15, 2021 10:19 am    Post subject: Re: Oliver 550 PTO engaged Reply to specific post Reply with quote

I had not thought about looking underneath and watching the action for possible adjustment, I was just about convinced I would have to go in from the top and replace the clutch discs. I'll look see underneath first, Thanks
 
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