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Harry Ferguson Tractors Discussion Forum
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TEA20 hydralics (Australia)

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Daveslave

02-22-2006 05:42:19




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Dad & I found my Grandfathers old TEA20 after many years in a shed. Unfortunately used very roughly by someone after Pop passed away, to clear a bush block and had seized. So dad & I liberated (re-possessed) it! Had the cylinder head & valves re-done, put together a sort of muffler (off a Honda car), put it back together & lo'and behold, she started! Very low budget affair. Question 1 - Only remaining problem is that the PTO is jammed on & I can't wrench it out when I undo the bolts at the back. It's like it has twisted in the housing or something. Can this be fixed easily? Question 2 - I now have a Ferguson Deep Ripper. The blasted thing won't go down more than 4 inches into the ground and it keeps pulling itself up out of the ground. Is this because the PTO is jammed on? Or are the hydralics stuffed? They work OK for lifting up & down. Question 3 - It had a Howard reduction gear for when Pop used it in the Orchard - could this be the cause of the PTO problem?
Any advice will be gratefully received, as the tractor has sentimental value to the family & I'd love to get it working properly again.

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Daveslave

02-25-2006 02:06:27




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 Re: TEA20 hydralics (Australia) in reply to Daveslave, 02-22-2006 05:42:19  
Thankyou very much for the suggestions and to John for the offer of more info.
I just found a lever for the Howard unit, so we'll see if it still works now too. Thanks for the warning about the strength of the howard gears J2 - I had heard they were not that strong.
I will try these out and advise the results.
Much appreciated.



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John (UK)

02-22-2006 12:49:43




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 Re: TEA20 hydralics (Australia) in reply to Daveslave, 02-22-2006 05:42:19  
It is highly likely that the PTO shaft has twisted inside at the front of the Pump, so it cant now be pulled out. as long as the hydraulic works for now just leave it. This has been caused by someone letting the clutch pedal up quickly and it snatching at the PTO shaft.
The subsoiler not penetrating is most likely caused by the Control Spring at the back of the seat requiring adjusting, with the implement lifted you should JUST be able to turn the spring, you need to take the play out of this by adjusting the Yoke end on the plunger that runs through the centre of the Control Spring, you will most likely have to use heat to do this as it may be rusted up, just grease the threads when you get it apart. If you are going really deep (you will be surprised how deep they will go) it may be that you have to screw the Yoke up another half or full turn (no more)to damp down the draft control or it will keep lifting out, just remember to adjust it so that you can JUST turn it, when you have finished with the ripper.
The cause of all your problems is adjustment nothing to do with twisted shafts or Howard gearboxes.....If you need more info on this, I have Information sheets to explain more about it, just email me at:- fergusontractors(at)tiscali.co.uk
tell what again what problems you are having so it will remind me and I will send the relevant information that will be useful to you to repair the tractor....John

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Gavin Clark

04-21-2007 20:22:22




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 Re: TEA20 hydralics (Australia) in reply to John (UK), 02-22-2006 12:49:43  

Hi,

I've been using a 1949 TEA20 apparently unrestored to mow about 2 acres for three summers and have only had to replace the starter motor and few odd pieces of pipe but otherwise no other faults. The tyres could be 60 years old too cracked but holding up. Amazing machine starts straight away everytime.

Anyway thanks for the useful information, I would like to receive anything you have on the draft control as this spring I bought a plough and find that it digs in and halts the tractor - wheel spin ensues.

You're a gent, thanks sir.

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J2

02-22-2006 06:55:51




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 Re: TEA20 hydralics (Australia) in reply to Daveslave, 02-22-2006 05:42:19  
Question 1 - Only remaining problem is that the PTO is jammed on & I can't wrench it out when I undo the bolts at the back. It's like it has twisted in the housing or something. Can this be fixed easily?
It could be twisted and jammed. It wouldn't be the first time; however, it is much more likely that it is just stuck and needs some "help". Attach something to the PTO shaft (maybe an implement shaft) pull hard, and while pulling, tap (not so hard) on the flange. It is a tight fit into the back of the tractor.
Question 2 - I now have a Ferguson Deep Ripper. The blasted thing won't go down more than 4 inches into the ground and it keeps pulling itself up out of the ground. Is this because the PTO is jammed on? Or are the hydralics stuffed? They work OK for lifting up & down.
Sounds like the draft control is working, but needs adjustment. With your ripper hanging on the back, the draft control spring should be just snug (just able to turn it). The adjustment is simply by pulling the pins and turning the link on the draft control shaft; however, if it is like mine was and 90% of all others that have been neglected, it will be stuck, and trying to force it will damage or "unhook" the control links inside the tractor. If it is stuck, I'd try to shim out the slop in the spring for now with some homemade shims, and wait until the lift cover can be removed when the hydraulics need major work.

Question 3 - It had a Howard reduction gear for when Pop used it in the Orchard - could this be the cause of the PTO problem?
Probably not. If it is indeed a Howard, this unit worked between the transmission output and the differential and as far as I know didn't do anything to the PTO.
J2

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J2

02-22-2006 07:19:16




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 Re: TEA20 hydralics (Australia) in reply to J2, 02-22-2006 06:55:51  
By the way.. don't do any heavy pulling (ripping) with the Howard engaged. You risk damaging it. It was not designed for heavy pulling work. It was designed to slow down the tractor without slowing down the PTO so that it would be better suited to some PTO implements, for example, a rototiller. J2



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