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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Re: Oliver 1550 3-point trouble

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Author  [Modern View]

06-29-2013 17:07:24

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He posted this on T-Talk the other day John. He says the bypass screw is in. I think what he's talking about when he says self leveling linkage is the draft control linkage on the left side. They were external on the 1550s

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06-30-2013 18:15:20

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 Re: Oliver 1550 3-point trouble in reply to rrlund, 06-29-2013 17:07:24  
Yes, you are correct the proper term is "draft control" Sorry I have always referred to it as a self leveling control. I do have all the manuals
for this unit and did read up on the relief valve
section. I did verify that it is indeed turned
all the way in clockwise (closed). I did not open it up for fear of messing up the loader hydraulics.
I did note that I was unable to move the draft control linkage by hand that I found unhooked.
I couldn't find anything in the service manual
that showed the operation of this control.

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07-02-2013 06:52:57

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 Re: Oliver 1550 3-point trouble in reply to jjolivers, 06-30-2013 18:15:20  
Have you turned the adjusting bolt on the draft control or adjusted the bar itself? I think there are slots in that bar where it can be slid in and out.

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07-03-2013 10:10:49

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 Re: Oliver 1550 3-point trouble in reply to rrlund, 07-02-2013 06:52:57  
I just checked the adjusting bolt on the draft
control linkage. The bolt has been turned all the way out and there is only a 1/2" of space to the
stop. The manuals all say that the proper adjustment
using the bolt is 3/4" to 1" I disconnected the
linkage arm to see if I could move the shaft by hand
and it doesn't move. I can get it to move slightly
if I pick up the lower three point arms by hand and lift them as high as they go and rock them up and down.

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07-02-2013 16:07:52

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 Re: Oliver 1550 3-point trouble in reply to rrlund, 07-02-2013 06:52:57  
Maybe it blew the lift cyl piston seal?

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