[Farmall] Farmall M hydraulics

[Barney Van De Weert]

Are you using quick couplers in the connections? There are times that the ball 
will seat in the coupling and not let the oil pass resulting in a cylinder 
locking. This will seem like a valve problem, quite often this problem only 
shows up at certin pressures or coupler combinations.
 Barney Van De Weert
3828 Heartwood St
Uniontown OH 44685 


bbvande at yahoo.com
Cell# 330-760-5988 




________________________________
From: Roger Showers <showersroger at yahoo.com>
To: Farmall/IHC mailing list <farmall at lists.antique-tractor.com>
Sent: Sun, November 14, 2010 7:56:55 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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