[Farmall] Farmall M hydraulics

[john hall]

Can't imagine the lever is slipping or it would eventually do it in the 
field while running. Nobody really knows when the tractor developed this 
habit, but when I started running it 28 years ago I was taught to let the 
implement down when not transporting or turning.

John

----- Original Message ----- 
From: "Roger Showers" <showersroger at yahoo.com>
To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
Sent: Sunday, November 14, 2010 8:56 AM
Subject: Re: [Farmall] Farmall M hydraulics


I've had alot of h and m tractors and never had that problem.Got to be in 
the
valve some place.check and see if lever going to your shaft on pump has not
moved




________________________________
From: john hall <jtchall at nc.rr.com>
To: Farmall/IHC mailing list <farmall at lists.antique-tractor.com>
Cc: Antique tractor email discussion group <at at lists.antique-tractor.com>
Sent: Sun, November 14, 2010 5:37:29 AM
Subject: [Farmall] Farmall M hydraulics

For as long as anyone can remember (I know it has been like this for at 
least 30
years), dad's Farmall M hydraulics will sometimes "lock" and not let down 
when
the cylinder on the towed implement is fully extended. To get it to retract 
you
have to take the load off the cylinder and then sometimes loosen a fitting 
and
let some pressure off. Usually it only happens when you leave the implement
lifted for a long time. I've never known it to happen while in the field and
lifting to turn around. I have seen it do it with 4 different cylinders, so 
I
know that's not the problem, nor does it matter how heavy the machine you 
are
lifting is. Is this normal for this early hydraulic system or is something 
in
need of rebuilding?

John Hall
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