Re: Ford 860 Looses Prime
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Posted by mike on July 16, 1998 at 19:29:16:
In Reply to: Ford 860 Looses Prime posted by Chuck Patterson on July 15, 1998 at 17:35:27:
: I have a Ford 860. It has a new hydraulic pump and things worked fine for a few weeks. Now whenever I start up to work, I have to loosen the pipe plug and release air from the system.
: The hydraulics will work fairly well until next start up. Some times while running, if I lower the quadrant lever all the way down, the
: hydraulics won't pick up when the lever is pulled up. I have been told by tractor repair people here..1) the pump needs rebuilt 2)I'm using universal hydraulic/transmission oil and
: need to use an 80W/90 gear lube instead. 3) I have a cracked manifold 4)I have a baad seal in the new pump. I did notice that the "new" manifold has a weld spot near a bolt hole on
: on the flange on the pump side. It does not leak fluid that I have seen. HELP Do not use 80w/90 oil! You say the pump is new. Is it brand new from New Holland or is it just new to you? If it is the latter I would suggest having the pump rebuilt.
You need to look at the shaft where the seal rubs. It is normal for the shaft to wear. If there is a groove in the shaft it will allow air to enter the system.
If the pump is brand new and your dealer installed it, take the tractor back to them to remedy the problem.
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