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preparing to split my te20 behind gearbox


 
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cameron ballarat AUS
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PostPosted: Sat Dec 29, 2012 3:56 am    Post subject: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

hi everyone

i have read all archive stuff on here about splitting my te20 to remove a twisted pto shaft..but there wasnt much on here about it.

I have my seat off, side covers off. i have cut the pto shaft Behind the pump. i am ready to to do the split. I have trolly jacks, chain blocks,
and everything blocked ready to undo the bolks....

is it a simple case of undoing my bolts and pull apart? Do i need to remove anything else to do the split? what do i need to look out for?
what should i replace while in there?

As you can tell im a little worried about "the split".

Any help would be great
thanks in advance
Cameron
 
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MCOHIO
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PostPosted: Sat Dec 29, 2012 9:29 am    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

Have you tried to just remove the four bolts that retain the pto shaft housing? The removal of the pto should be an easy undertaking with out splitting your tractor. The shaft is secured by the bearing and a snap ring contained in that housing and just slips into the rear of the hydraulic pump. The worst part should be draining all of the oil from your tractor as it will hold about 6 U.S. gallons.
 
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Tony in Mass.
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PostPosted: Sat Dec 29, 2012 10:28 am    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

Wow. This sounds intense. You 'cut' the shaft while still inside the diff housing? With a torch? How did you do that? How is it the pieces can't come out? As MC said, did you remove the bolts at the back end? and try to just slam the shaft rearwards or? How bent could this be? I think you should stop whatever you are doing until a few more people experienced with this repair read this, you are at the verge of making a big mess....
BTW, do you have a repair manual for this tractor?
 
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Bruce(OR)
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PostPosted: Sat Dec 29, 2012 1:04 pm    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

Ho boy.
Comments after you already cut the shaft.
When I split my last tractor, I pulled the sheet metal and all the obvious stuff. I stuffed some wedges into the front axle to keep the front 1/2 from tilting. Just in front of the split was a bottle jack to hold up the front.
The back 1/2 was held up, and rolled straight back, with a floor jack.
I also did it on plywood on top of gravel.

Your split is the next joint back requiring sealant upon reassembly. I would suggest Gray RTV. Similiar to what is used to seal oil pans on transmissions and such.

Beyond that a wedge driven between the halves to sepearte them will be in order.
 
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Bob (Aust)
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PostPosted: Sat Dec 29, 2012 1:17 pm    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

Cameron. If you are in Ballarat that will be a TEA20 or TED20, not TE20.

There are a number of guys here from Victoria who you may be able to contact. I'm sure they will be along soon.

I broke a PTO shaft many years ago and did not need to split the tractor to remove the broken shaft but I seem to recall removing the pump?

Don't do anything without studying the Manual.

Bob in Oz
'53 TEA20
 
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Charles in Aus.
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PostPosted: Sat Dec 29, 2012 1:38 pm    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

Splitting the tractor seems to be a drastic measure . Stop and think a little . I would think that you have already removed the rear half of the shaft with the flange , this is the easy bit . The shaft must have twisted like a piece of barley sugar to be jammed so . Try loosening the pump first and then try to remove the shaft ,if this doesn't work then remove the top cover, you really need a dvd or to read the manual to fully understand this , by doing so you can , after loosening the pump from underneath , manipulate the pump and shaft until it hopefully is released. After cutting a shaft the back end will be full of metal debris so removing the pump and lift cylinder will allow you to clean it out thoroughly and refurbish anything that needs it. Out of interest do you know what twisted the pto shaft in the first place ?
 
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cameron ballarat AUS
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PostPosted: Sat Dec 29, 2012 3:24 pm    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

Hi guys, thanks for the replys.

i should have gone into a bit more detail when first posting :)

i have the top cover off, oil out. The rear part of the shaft slid straight out once cut. So all thats left is the stump of the shaft stuck through the pump. I have removed the bottom cover bolts so the pump is loose and jiggled and wiggled the pump and shaft to no avail,its still stuck. I can slide the pump back with the shaft in it BUT not far enough to drop the front of the spline out of the selector that bolts onto the gearbox

Im a member of the Harry Ferguson Club, and have made phone calls back and foward. I have also called some locals and the guy who usually does the major work on my tractor (who happens to be on holidays ATM). Apparently twisted p.t.o. shafts were a common problem when the clutch on a slasher is set to tight and you hit something..... thats exactly how i did mine.
I was told that i would need to split the tractor and pull the twisted part out the front of the pump.

I have borrowed a manual but it must be a service manual.It must be 200 pages long.
 
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Charles in Aus.
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PostPosted: Sat Dec 29, 2012 4:42 pm    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

Bugger!
 
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samn40
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PostPosted: Sun Dec 30, 2012 1:30 am    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

It is real easy to split the tractor behind the gearbox. First make sure you have the front axle blocked from pivoting, a couple of wedges of wood will do. Put a floor jack under the gearbox and a trolley jack under the rear transmission housing and wheel the rear wheels backwards. To be honest if I am doing even a 100 o 200 series tractor I just slide a 3 foot piece of metal tubing over the PTO shaft and lean down on it as I wheel the rear half out. Even a tin oil drum will support the weight of these transmissions when out as they are so near in balance, makes for real easy alignment when going back together, the only downside is you need someone to place the prop under the trans when removed!
Sam
 
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John(UK)
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PostPosted: Wed Jan 02, 2013 3:43 am    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

It doesn't"t take very much to jam the PTO shaft in the Pump. If you tighten the Clutch to prevent it slipping, there is no point in having the Clutch at all.No Need to remove the Top Cover. Split tractor cut PTO shaft at front of Pump as close as possible to Pump. Pull out PTO from rear without damaging the Pump if it is still tight. Be sure to carefully wash out the housing to get rid of all the metal when you cut the shaft. Drop The Pump and clean that too, DON"T start dismantling the Pump or you could make more work for yourself. Use NEW gaskets throughout when you re-assemble. If you need more info about this, email to fergusontractors@hotmail.com and I will send it to you...John(UK).....
 
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cameron ballarat AUS
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PostPosted: Wed Jan 02, 2013 11:59 pm    Post subject: Re: preparing to split my te20 behind gearbox Reply to specific post Reply with quote

thanks everyone for the replys !!

the tractor split easily, once chocked following the instructions given. no major dramas.
the PTO was twisted just on the otherside of the pump and once cut, slipped out quite easily.
Now just a case of putting everything back toghether again.

I did notice though that when I was playing with the pump drive coupling, that sometimes when I tried to engadge, it would not drop straight into place and kind of half engadge. Should i pull it apart and have a look while Im in there. Or is it normal and you just dont notice when using the actual lever.
 
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