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Massey Harris & Massey Ferguson Tractors Discussion Forum
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MF 35 hydraulic pipe

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Philmx

08-13-2007 12:31:29




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Hello I have a MF35 4 cyl which we mainly use around the garden. recently we have bought a digger and we need a tractor and tipping trailer. There seems to be a hydraulic spool valve at the back of the seat but how do you operate it to tip a trailer for example as the only controls are the lift arms and draft control. help would be appreciated




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Dean

08-13-2007 14:50:36




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 Re: MF 35 hydraulic pipe in reply to Philmx, 08-13-2007 12:31:29  
Phil:

MF provided a remote valve to provide a remote hydraulic outlet. The valve replaces the hydraulic adapter beneath the seat held on by two bolts.

MF remote valves are not readily available but are sometimes available used from salvage yards or from MF dealers.

Dean



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Jack in NB

08-13-2007 18:12:59




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 Re: MF 35 hydraulic pipe in reply to Dean, 08-13-2007 14:50:36  
There is a cheap and not-so-convenient alternative.

If you lock the lift arms in the low position (there are bars that connect the ends of the three-point drawbar to the top link attach point that do this) then the position control lever will provide single-acting flow from either of the pipe plugs on the front left and right sides of the cover casting (under the front of the seat).

The lower the lift arms are, the more flow is delivered to the remote application. As the arms approach the upper position, the ferguson system progressively decreases pump delivery.

Apparently some of the earlier loaders were operated this way.

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Dave Sherburne NY

08-13-2007 18:38:19




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 Re: MF 35 hydraulic pipe in reply to Jack in NB, 08-13-2007 18:12:59  
Have you got a picture of this setup, I would like to try it for my front mount snowplow. While the plow is on it doesn't need the lift arms to be usable.



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Dave Sherburne NY

08-14-2007 16:31:35




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 Re: MF 35 hydraulic pipe in reply to Dave Sherburne NY, 08-13-2007 18:38:19  
What I meant was a picture of the hydraulic hookup.



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Dean

08-14-2007 09:21:36




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 Re: MF 35 hydraulic pipe in reply to Dave Sherburne NY, 08-13-2007 18:38:19  
Dave:

If you have a good set of stay bars do not try to use these to hold the drawbar down. Stay bars are designed to fix the three point drawbar at a fixed height for towing with the position control lever fully down.

Stay bars are not designed to hold the drawbar down against the hydraulic pressure of the lift and will be damaged or destroyed if you attempt this.

That said: The alternative method of providing remote hydraulic pressure by chaining the drawbar down is tried and proven, albeit inconvenient.

Dean

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Jack in NB

08-14-2007 07:41:32




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 Re: MF 35 hydraulic pipe in reply to Dave Sherburne NY, 08-13-2007 18:38:19  
No pix - try the picture gallery. Might be something there.

They"re called stay bars in the parts book, used to convert the 3-point drawbar to a fixed height drawbar.

They look like the strap type sway bars, about 3/8 x 2, with a 7/8 hole on the bottom and 3/4 at the top. About 2" at each end bent to suit the angles needed. The lower ends fit on the ends of the 3-point drawbar inside or outside of the sway bar straps. The top ends fit on the top link pin.

The factory ones are adjustable, in two pieces and slots like a generator adjusting bracket, and a couple of 3/8 bolts to clamp them together. If you need an adjustable setup you can do the same thing with bolts spaced about 10" apart and holes drilled as needed.

The factory ones have about 5/8" at the top folded 90 degrees to the outside; the Oliver ones were bent to the center - to keep the bars from flopping on the top pin.

The pins on some 3-point drawbars are too short to take both sway bars and stay bars. The work-around: thin the lower ends of the stay bars and the outer ends of the sway bars with a grinder (minimum safe thickness about 3/16"), possibly take a bit off the flat side of the snap pins.

This weakens both the sway bars and the snap pins. This is not critical in this situation, but they could fail in normal use for other applications. A new set of each is a lot cheaper than the remote valve!

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Jack in NB

08-14-2007 07:40:01




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 Re: MF 35 hydraulic pipe in reply to Dave Sherburne NY, 08-13-2007 18:38:19  
No pix - try the picture gallery. Might be something there.

They're called stay bars in the parts book, used to convert the 3-point drawbar to a fixed height drawbar.

They look like the strap type sway bars, about 3/8 x 2, with a 7/8 hole on the bottom and 3/4 at the top. About 2" at each end bent to suit the angles needed. The lower ends fit on the ends of the 3-point drawbar inside or outside of the sway bar straps. The top ends fit on the top link pin.

The factory ones are adjustable, in two pieces and slots like a generator adjusting bracket, and a couple of 3/8 bolts to clamp them together. If you need an adjustable setup you can do the same thing with bolts spaced about 10" apart and holes drilled as needed.

The factory ones have about 5/8" at the top folded 90 degrees to the outside; the Oliver ones were bent to the center - to keep the bars from flopping on the top pin.

The pins on some 3-point drawbars are too short to take both sway bars and stay bars. The work-around: thin the lower ends of the stay bars and the outer ends of the sway bars with a grinder (minimum safe thickness about 3/16"), possibly take a bit off the flat side of the snap pins.

This weakens both the sway bars and the snap pins. This is not critical in this situation, but they could fail in normal use for other applications. A new set of each is a lot cheaper than the remote valve!

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