Posted by sotxbill on January 28, 2013 at 07:17:24 from (99.42.196.210):
In Reply to: 2600 loader trouble posted by whitetail1 on January 28, 2013 at 05:34:40:
thx for the pic.. The made all kinds of hydraulic flow adaptors that fit the 1953 through 1996 models and that looks like it might have come off an earlier series..
And,, they could grab on to any of serveral ports and all do something different..
So.. My first GUESS..
its an AUX Services connection.. meaning that the flow is first controled by the knob... usually 3 positions.. "in" is off, "middle" is both 3 point and aux port.. "all the way out" is aux port only.
AND... the flow is controlled by the 3 point lift lever, so that when it is down, there is no flow,, and when the 3 point is up, there is flow..
AND... when using, if the lift arms are down, the fluid will flow, and when the lift arms all up, they will cut off the flow.
So.. you may have to chain down the lift arms to get flow to the aux port correctly.
It was made for pulling a plow with a wheel(s) in the back so that when you pull up on the 3 point lever, it will send fluid to the plow to pick up the plow so you can turn. and you could also pick up the lift arms to pick up the front of the plow as well... so its kind of complex. knob in, only lift arms go up.. knob in middle, lift arms and aux port go up.. knob all the way out, only aux port goes up.
Now.. if its not an aux service selector and its sits over a different hydraulic port, then it could be totally different..
You can buy a "power beyond" block and it will work correctly for a loader but you MUST return unused hydraulics to the return port on the block so that the 3 point will work. This block goes under the aux services selector and works very well for loaders.
However.. you may have a weak pump and need to rebuild it with a kit so it picks up fluid quickly and flow correctly. If you pump is weak, you also see a delay in the 3 point lift functions. So I am wondering if you have single "lift only" cylenders and when you drop them using gravity, your letting them drain via gravity and getting excess air in them and thats why is takes a bit to lift them?
Hard to dianose but you will get lots of ideals here.
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