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1950 ferguson to20 hydrolics weak lift

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h. david

08-23-2007 07:57:22

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needing advise about how to proceed on my 1950 to-20 ferguson. the hydrolics in the rear seem to operate fine with the exception of lifting anything other than its own weight which are the arms and a cross bar with a trailer hitch ball. i have read through the forum and performed all the noted inspections as well as changing the fluid using the recomended mineral type hydrolic fluid from the ferguson shop manual. any advise to this tractor novice.

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pojo

08-24-2007 05:39:33

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Re: 1950 ferguson to20 hydrolics weak lift in reply to h. david, 08-23-2007 07:57:22

I don't want to start a debate here but, John (UK) you say remove left side, Jerry /MT you say remove right side. Is the internal viewing the same from either side?

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John (UK)

08-26-2007 05:54:18

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Re: 1950 ferguson to20 hydrolics weak lift in reply to pojo, 08-24-2007 05:39:33

No the view isn't the same, and I DID mean LEFT side, read my post to Jerry a bit lower down for the reasons.I did this hundreds of times during my stint as a Ferguson Service Engineer, for me it is the only way....John

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h. david

08-26-2007 17:54:13

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Re: 1950 ferguson to20 hydrolics weak lift in reply to John (UK), 08-26-2007 05:54:18

john, i sent you an e mail at your ferguson address today. i removed the right side inspection cover also, but my to20 has a front loader, dont know brand name, and the attaching arms along each side which attach under the rear axle housing make it difficult to get my big head in there from either side. the front loader is run from a front pully mounted pump and works real well.

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John (UK)

08-27-2007 06:58:50

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Re: 1950 ferguson to20 hydrolics weak lift in reply to h. david, 08-26-2007 17:54:13

Some of the front loaders make it real difficult to get at the Hydraulics, in that case you have to get in the best way you can.
At the time of writing this I can't locate another email from you at all, perhaps you would like to send it again to:-
fergusontractors(at)tiscali.co.uk
change the (at) to @ in the address, we have to do that to stop some of the spam we get otherwise...John

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h. david

08-28-2007 08:26:57

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Re: 1950 ferguson to20 hydrolics weak lift in reply to John (UK), 08-27-2007 06:58:50

john, i must be having e mail problems, have sent to you twice. after doing all that you advised i did not see any leaks but i did notice upon looking straight into the inspection port and slightly forward and down into a rectangle area of what i assume is the pump, the oil there was sloushing while the oil to the rear appeared to not be moving. i suppose i could describe this movement as turbulence. hope my discription helps.h. david hdbeckha@aol.com

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John (UK)

08-28-2007 09:23:36

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Re: 1950 ferguson to20 hydrolics weak lift in reply to h. david, 08-28-2007 08:26:57

I have emailed you direct....lets hope it works.

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h. david

08-27-2007 13:12:38

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Re: 1950 ferguson to20 hydrolics weak lift in reply to John (UK), 08-27-2007 06:58:50

john, i will try to resend e mail again, thanks, h. david

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Jerry/MT

08-25-2007 21:04:40

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Re: 1950 ferguson to20 hydrolics weak lift in reply to pojo, 08-24-2007 05:39:33

I should let John(UK) answer this but I think he mis-spoke. The left side has the PTO engagement lever on it and it's much easier to remove the right side access cover and look into the compartment then the left.

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John (UK)

08-26-2007 05:48:58

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Re: 1950 ferguson to20 hydrolics weak lift in reply to Jerry/MT, 08-25-2007 21:04:40

Nah i didn't misspeak Jerry, you can see much more through the left side because the Quadrant isn't in the way and you can get your head in between the fender and the housing and get up close. I know a lot are put off by having to remove the PTO lever but there is a trick in refitting it which doesn't make it hard at all, using the left side you can see everything including the stack pipe in the front right corner (without a mirror)which you cant if you look through the right side only. Also it is so much easier if you are right handed as you can then feel the control valve.....John

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Jerry/MT

08-26-2007 15:00:55

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Re: 1950 ferguson to20 hydrolics weak lift in reply to John (UK), 08-26-2007 05:48:58

Thanks for the put, John. Always something new to learn. What's the trick on opening up the left side?

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John (UK)

08-24-2007 04:56:46

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Re: 1950 ferguson to20 hydrolics weak lift in reply to h. david, 08-23-2007 07:57:22

From how you describe it you have a leak internally, remove the left round side cover below the seat. Attach an implement and put the pto in gear and the Hydraulic lever to the top of the quadrant. Now look inside the inspection port for any oil leaking from the top, this can be towards the front of the the back.( a few drips are ok) Also look in the front right corner (top and bottom)inside the housing see if any oil leaking there. Finally if no obvious oil leaks from those locations then look straight in front of the inspection port at the Pump, is there any oil swirling around under pressure, I don't mean just oil movement because there will be. If there is oil under pressure then that is where the leak is. If you find the location of the leak and email me with the details I will send you the information you need to repair it. email me at:- fergusontractors(at)tiscali.co.uk
NEVER PUT YOUR HANDS INTO THE OIL....John

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h. david

08-24-2007 07:09:16

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Re: 1950 ferguson to20 hydrolics weak lift in reply to John (UK), 08-24-2007 04:56:46

john, we are in the third week of a heat wave here in southern indiana, 101 today. as soon as it cools off a bit i will heed your advise and will e mail tou with my findings. thanks for your prompt response.

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John (UK)

08-24-2007 09:02:56

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Re: 1950 ferguson to20 hydrolics weak lift in reply to h. david, 08-24-2007 07:09:16

No problem, you just email me when you are ready. I hope that it soon cools down for you...John

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Jerry/MT

08-23-2007 16:47:39

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Re: 1950 ferguson to20 hydrolics weak lift in reply to h. david, 08-23-2007 07:57:22

Most failure to lift isssues are due to a leaking cylinder that either had a worn rings/seals, worn/scratched bore or a cracked cylinder. The other leakkage point is the verticle tube gasket/o ring that supplies the fluid to the cylinder from the pump. Sometimes a relief valve can stick open or be held open by a piece of dirt.

Pull the access plate to the hydraulics of the right side of the hydraulic compartment and using a flashlight, look up under the lift cover for the cylinder. Start the motor and engage the pto & pump. DO NOT, UNDER ANY CIRCUMSTANCES, pUT YOUR HAND IN THE HYDRAULIC COMPARTMENT WITH THE ENGINE RUNNING! Place the lift lever in the full up position and with the aid of the flashlight,look at the cylinder. Anything more than a few dropsof fluid is a leaking or cracked cylinder. Look down toward the pump. If there is a lot of turbulence and noise, that the relief valve is stuck open. Using a mirror, look in the upper right hand corner of the compartment and see if fluid is streaming down the supply tube.

If the problem is the relief valve, you can replace that from the access panel. Anything else and the lift cover has to come off.

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h. david

08-24-2007 07:13:33

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Re: 1950 ferguson to20 hydrolics weak lift in reply to Jerry/MT, 08-23-2007 16:47:39

jerry, also thank you for your quick response, should have added you to johns e mail, i will advise as soon as it cools off a bit.

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