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Massey Harris & Massey Ferguson Tractors Discussion Forum
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hydraulics for TO-35

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mTexasguy

04-26-2008 17:28:56




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Need some help. Is there a way to use an implement with hydraulic cylinders on my TO-35? It does not have hydraulic connectors but does have 3 pt. hitch and pto. I am interested in using a small tree shear that would need 2000 psi? Do I need a tractor that has hydraulic hose connectors or can this be done on this tractor?




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DavidP, South Wales

04-27-2008 09:31:42




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 Re: hydraulics for TO-35 in reply to mTexasguy, 04-26-2008 17:28:56  
Hello,
There should be no problem in operating an implement with external cylinders. You should be able to generate close to 2000psi assuming that the hyd system is in reasonable condition. Check if the shear requires a specific oil flow. If its only cylinders there should be no problem.
To operate an external cylinder you will require an isolating valve otherwise every time you try to operate a cylinder, the 3-pt will rise. The valve is mounted ontop of the hydraulic cover and allows you to switch oil flow between the internal system and external cylinders. YOu will need a supply hose with coupling from the valve and a return line which must be of bigger bore than the supply hose. The return is normally fitted to the filler plug next to the gear lever via an adaptor.
DavidP, South Wales

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mTexasguy

04-27-2008 18:38:50




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 Re: hydraulics for TO-35 in reply to DavidP, South Wales, 04-27-2008 09:31:42  
Thanks for the infomation. This helps a lot. If I have the valve to switch between internal and external hydraulics, it sounds like I could raise and lower the tree shear with the 3 pt. hitch and then switch the valve to operate the external hydraulics to operate the tree shear to cut the tree. I would need the 3 pt operational in order to raise and lower the shear unit and then the external operational in order to cut the tree. Am I on the right track here? thanks

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DavidP, South Wales

04-28-2008 03:41:13




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 Re: hydraulics for TO-35 in reply to mTexasguy, 04-27-2008 18:38:50  
Yes you are on the right track and headin' for Texas!!!!
You can switch the supply to whichever service you want. Depending on how far you want to go, it is possible that with a control block for the shear with a spare single or double acting service you can connect the 3-pt to lift on this rather than have to move the quadrant levers each time. This has worked satisfactorily on my MF 135 with a bale squeeze. Don't want to confuse you but more than happy to explain it further.
Cheers
DavidP, South Wales

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Jack in NB

04-27-2008 16:25:43




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 Re: hydraulics for TO-35 in reply to DavidP, South Wales, 04-27-2008 09:31:42  
A couple of points:

The internal pump will put out about 4 gal/hr max (lift arms in the down position).

And there's a 1/2" NPT return port on the clutch pedal side of the lift cover casting. Just down around the side from the seat mounting plate. Ours have a pipe plug in them, with an Allen (hex) socket hole for removal. Might be one on the other side too; don't remember.

Some knowledgeable chap here on the forum pointed that out -- after I cobbled up return line combinations on four units the hard way!!!!!

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mTexasguy

04-27-2008 18:41:40




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 Re: hydraulics for TO-35 in reply to Jack in NB, 04-27-2008 16:25:43  
Thanks for the info. I've only used external hydraulics on tractors that had external fittings built into the rear of larger John Deeres.



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