MF 285 joystick install

caltor

New User
Bought a very nice one owner 1981 MF 285. It looks like it has never had a loader on it. I bought a 2004 Koyker 510 loader because it came off of a MF 285 (no fussing with brackets). I plan to put on a joystick with 3rd spool for grapple. Here is a picture of it http://www.ebay.com/itm/like/273019379123 it has the joystick for the first 2 spools and a lever for third spool grapple. I am not that experienced with tractors and even less with hydraulics...so I have been on internet hydraulic school for the past couple months and have learned a lot. My question is how do I plumb in this valve? I believe I need a combining valve that I have read about on some forums, and I know that this will replace the transfer plate that is there now. But I don't know what line go in and out of this combining valve once it is installed. I am thinking the combining valve combines the fluid from the Ferguson pump and the fluid from the auxillary pump. And I am thinking that the standpipe under the transfer plate (combining valve) would supply the high pressure fluid from the ferguson pump. Does a line from the auxillary pump need to make it's way to the combining valve? This tractor has a factory 2 spool valve that powers the 2 sets of rear remotes, if this factory valve has a Power Beyond port could/should that be run to the combining valve? Thanks so much!
 
Run the joystick valve supply hose to a rear auxiliary valve top line, and run the valve return line to the coupler below the feed line. Now tie back the tractor valve lever so it stays on at all times. Joystick will be fed/returned for constant use, and the three point will be available without being tied to the loader. Just MAKE SURE the valve inlet is pressurized with the tractor lever tied back, if not reverse the inlet/return hoses. Much easier this way..
 
Would this tie up one set of rear remotes? I was hoping to leave those open for my hydraulic back blade.
 
are you going to us the pto if not run a pto pump with its own oil it will be slow other wise.sound like you want to use it for logging
 
Yes, one remote set will be used for the loader. Should still have one free if tractor has two. Only other best option is a front crankshaft drive pump for the loader only.
 
Do you know what the high pressure fluid would be used for, under the transfer plate, coming from the standpipe? Seems like this is just sitting there unused. But I don't know cuz there's so much that I don't know.
 
That's the three point transfer cap, from the standpipe to the cylinder port. Three point pump flow is lower than the auxiliary pump, best use the rear coupler as mentioned before.
 
Am I correct in thinking that a combining valve combines the flow from the three-point pump and the auxiliary pump?
 
Yes, BUT then you lose three point use. 285 has the same auxiliary pump as the MF 180, dad's 180 has had the loader on for years and works fine from the two spool auxiliary valve..
 
Are you sure that is has an aux pump? If it does, it should have a combining valve on it. It sounds like it has factory remotes, if it does, that means usually means it has the aux pump with the needed flow for a loader. You could plumb the new loader valve into the circuit that feeds the remotes and use a power beyond sleeve in the loader valve. The loader valve would need a separate line to return fluid to the rear housing. The power beyond sleeve prevents pressurizing the body of the loader valve when you are using downstream hydraulics. My experience mainly has been with 250, 253 and a 255.

Garry
 
Would that power beyond sleeve need to be installed in the factory 2 spool valve that is already on the tractor? Or is it to be installed on the new loader valve?
 
The PB sleeve would go in the new loader valve. If you want to keep both sets of remotes, reroute the line(hose) feeding the remote valve to the inlet of you new loader valve. PB sleeve goes into 'out' port of loader valve. A hose now feeds from this port to the feed the inlet of remote valve. There should be a third 'return' port on the loader valve(it may have a plug in it). Run a hose from this port to a port that will allow fluid to dump back into hydraulic/transmission housing(this is for when you are working the loader valve). You will need to have three hoses made and buy a couple of fittings. Save the existing hoses and it can be put back as it was if you don't want loader anymore.

If you do plan on removing the loader more than occasionally, you need quick couplers in the loader valve in and out lines. When loader is removed, hook the in and out lines together to keep fluid flowing to remotes and prevent pump 'deadheading'.

Garry
 

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Back
Top