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Ford 2600 - hydraulics have died ???

J

John I

New User
Hi all !
It's been a few months since my last post which members of the forum helped me sort a hydraulics problem. The tractor has worked great until yesterday ( 1976 ford 2600 ). I started it up no problem but the hydraulics have died, there's nothing. The front bucket won't lift or tilt and neither will the back end.
What do you think ? Has the pump died ? Is there any tests I can do before shelling out on a new one ???
Thanks for reading - John
 
I assume the loader is run off the onboard hydraulic pump. How are the controls plumbed?
Is the loader operater by two handles under the seat or is it run by two handles up by the dash?
Could one of the handles under the seat gotten kicked into a wrong position when you mounted or dismounted?
Pumps don't generally just quit. They get weaker and weaker till they dont put out much pressure.
 
Thank you for your reply !
The handles which control the loader are up near the dash. There are two levers which could normally stop the operation of the pump but not both back and front. There's the push/pull knob which switches the hydraulics from the loader to the three point linkage then there's a flip over knob which opens up the hydraulic oil when the log splitter hoses are connected. ( I think this is how it all works ? ).
 
first thing you do is check for flow.

divert hyds to the loader, then open a line and see if you have flow. If you have flow ( doubtfull ), we can test furthere from there.

post back.
 
What I would do as a starting point.... kick the remote valve for the splitter back and hold it there. Then lower the three point to the ground and raise the lever again while at the same time attempting to raise the loader.
It is possible that there is a blown o-ring in the back of that ASC (push/pull) valve. Oil will take the path of least resistance.... but if all functions are activated simultaneously then something will have to move. If nothing moves, then I would wager that either the pump is not moving oil or the flow control valve on the side of the housing is dumping all of the pump flow back to sump. That CAN happen...

Rod
 
I have a 2600 Ford with 3 pt backhoe. Always make sure that the two lever by your right foot are always down. You can damage the pump if they are not when you try to use the lift.
 
Thanks Rod ! I will do what you have said tomorrow. I'm not too clued up on the tractor parts so may have to ask silly questions
:) Heres one - What is the Remote valve ?
What I did today was to open the bleed valve on the pump and the oil was pulsing out so it looks like the pump is ok ???
That push/pull valve ( is it the ASC ? ) used to clunk when I pushed it in or pulled it out, now there is nothing there at all.
John
 
(quoted from post at 19:26:19 11/23/15) Thanks Rod ! I will do what you have said tomorrow. I'm not too clued up on the tractor parts so may have to ask silly questions
:) Heres one - What is the Remote valve ?
What I did today was to open the bleed valve on the pump and the oil was pulsing out so it looks like the pump is ok ???
That push/pull valve ( is it the ASC ? ) used to clunk when I pushed it in or pulled it out, now there is nothing there at all.
John
Click to expand...
 
Hi all !
Thanks for all your help !
It looks like I've got it sorted ( just about ).
I had to ask a local tractor mechanic to look at it and Rod was correct it was an O ring on the ASC valve and also the oil level was low due to leaky Rams on the loader.
I've had the engine ticking over last thing today for about 20 minutes however the loader is extremely slow. Could this be air in the system ???
Thanks once again folks.
John
 
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