Posted by james Ashcraft on February 23, 2011 at 19:01:33 from (70.242.119.145):
In Reply to: Hydraulic Issues posted by farmall706 on February 18, 2011 at 21:10:19:
This may be just a shot in the dark. A few years I purchased a 686 and had the same problems as you described. I don''t know how close the 707 hudraulic pump is to the 686. So I drained the fluid from the belly of the tractor and cleaned the left side where you remove the pump. I removed the outside plate that the pump is bolted to and removed the plate with the pump attached to it. I discovered at the back of the pump is tube with o rings that attaches to filter on the right side of the tractor. The o rings were shot on the tube and that would let air be sucked until the fluid gradually built up pressure. I looked on the caseIH web sight under 706 hydraulic pump and found listed on the exploded view #12 - TUBE ASSY, pump section and this appears to be close to what I have on the 686. I got the part from CASEIH and reinstalled the pump and filled the hydraulic sump with the correct amount of fluid and there was a big time difference in the sound and the way the ps and other hydraulic worked. Hope this helps. Before I started I ordered a manual from the wed sight so help me along.
James
This post was edited by james Ashcraft at 19:03:03 02/23/11.
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