1206 hyd problems

Posted by boog on August 14, 2004 at 22:06:34 from (66.73.129.205):

We bought this tractor in May of this year. At that time we thought we would put it on the batwing mower to see if there were any problems with the tractor before restoring. At that time we found the hyds would lift the mower (2-way cylinder) but not raise the wings (single acting) so replaced the pressure relief valve with a new 2500psi prv which cured the problem.

In late June the hyds quit, p.s. & brakes still worked, which we found was from the key shearing in the pump drive gear. At that time a new o-ring & gasket was installed (work done by our CIH dealer).

This afternoon the tractor got where it would only lift the mower if the engine was wide open. When the engine was shutoff you could see the 3pt hitch & mower settle down. Standing at the side of the tractor you could also hear hyd oil returning to the rearend.

What do you think the problem is - bad o-ring where the pump mounts, pressure relief valve gone bad, or another problem? I have not had a chance to put a test guage in the remotes. Plan on doing this in the a.m. plus putting the old prv back in.

TIA,
boog

Follow Ups:

• Re: 1206 hyd problems Aces 08:55:47 08/15/04 (1)
  • Re: 1206 hyd problems boog 18:27:07 08/15/04 (0)

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