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3000 hyd

W

WayneIA

Well-known Member
Have no hydraulics, Pump seems to pump oil at the plug on the head of the pump. Why is it that, with the selectrol valve off of the lift chest, oil can be pumped, with a pump oil can, down the pressure tube at the right front corner of the center housing and never catch up?. Some thing to do with the flow control valve? Don.t know a lot about blue Fords
 
im sure that made sense when you thought it up.. but I think a few words may have been left out.

mind clarifying?

sounds like you have a 3000 with no 3pt.. and are asking maybee if you can have pressure at the diverter but not have 3pt work? or?
 
Not sleeping in the morning and posting at 4;00 AM probably has some thing to do what. Let me try again, and yes we have no hydraulics. What is the problem when oil can be squired into the pressure port at the lift chest and it never,ever gets full? It just keeps going down, like maybe ending up in the sump. The other end of that port should be the pump, right?
 
At the 3/8s plug on the head of the pump, there is oil pumping out with the starter turning the engine. None at the pressure pipe at the lift chest.The external lines show no sign of a leak
 
Not yet. Just wandered if the flow control valve, mounted on the side of the differential has any thing to do with the problem. According to a parts break down, it looks like it is involved with the pressure side of the system. But yes, it looks like pulling the lift chest is the next step. Thanks for the reply. This work is a kind of "brokerage deal". And the tractor is 25 miles away and no heat, and I don't like cold weather. Besides that, I'll be kinda busy this weekend as the my six kids have decided, through an open house add in the local paper, that I am "priceless" at 80 years of age.
 
the asc valve is aux services.

external hyds diversion.. .. i believe on the 3000 it may also be able to work in tandem as well.
 
It is possible for the flow control spool to stick open and dump all of the supply oil away... What I'd do since you have the spool valve removed... just pull the engine shutoff out and crank the engine and see if it's pushing oil up to the lift cover. Then you'll know if the pump is moving oil. If it is... try replacing the valve and see what happens. If it's not moving oil, go back to the pump...
Removing the flow control valve is a pain in the arse... the lift cover has to come off. There is probably some snap rings on the feed tube into the flow control and the tube needs to slide out to remove the valve... plus there's a fast raise linkage and spring on the inside of the housing that needs removed to get the valve out. So exhaust all other options first.

Rod
 
(quoted from post at 00:04:57 02/21/14) It is possible for the flow control spool to stick open and dump all of the supply oil away... What I'd do since you have the spool valve removed... just pull the engine shutoff out and crank the engine and see if it's pushing oil up to the lift cover. Then you'll know if the pump is moving oil. If it is... try replacing the valve and see what happens. If it's not moving oil, go back to the pump...
Removing the flow control valve is a pain in the arse... the lift cover has to come off. There is probably some snap rings on the feed tube into the flow control and the tube needs to slide out to remove the valve... plus there's a fast raise linkage and spring on the inside of the housing that needs removed to get the valve out. So exhaust all other options first.

Rod
Click to expand...


Rod,

I believe this is my problem on my new to me 3000 - stuck open and dumping all the oil. Have lift cover off hoping to find clogged filters.. I find the restrictor stuck beyond what the knob can push it and a dump tube that has come loose. Turning the knob had 0 effect as the restrictor was stuck further in. Playing with the restrictor and knob, it now no longer sticks.

Do you think a new spring would prevent this or should I pull the flow control cover and restrictor out to see what is going on as something caused it to stick?
 
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