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Super A touch control pressure test
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- Gerry Powell
- 10+ Years
- Posts: 321
- Joined: Wed Jan 21, 2009 2:17 pm
- Zip Code: 78736
- Tractors Owned: two 1948 Cubs
1951 Super A
Kubota L2350 - Location: Austin, TX
- Contact:
Super A touch control pressure test
My touch control unit will not lift as much as it used to and I wanted to make the pressure test in the IH manual. It says to install the pressure gauge in place of the rear pipe plug (1/4 inch) in the manifold rear flange. But I looked at the manifold and don't see a pipe plug, can someone tell me where it is?
Gerry
Gerry
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Re: Super A touch control pressure test
You will have to take the plug out, it is where the manifold is bolted to the T/C block
Boss
Boss
IN GOD WE TRUST
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Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
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Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
- Bigdog
- Team Cub Mentor
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Re: Super A touch control pressure test
It's the plug in line with the smaller diameter line in this picture from TM Tractor's site:
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
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If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
http://www.cubtug.com
- Gerry Powell
- 10+ Years
- Posts: 321
- Joined: Wed Jan 21, 2009 2:17 pm
- Zip Code: 78736
- Tractors Owned: two 1948 Cubs
1951 Super A
Kubota L2350 - Location: Austin, TX
- Contact:
Re: Super A touch control pressure test
On the SA, I guess it is the one inline with the small tube also, which is toward the rear like the manual says. These have allen head plugs, I was looking for a regular pipe plug.
Gerry
Gerry
- John *.?-!.* cub owner
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Re: Super A touch control pressure test
Also expect them to be VERY tight.
If you are not part of the solution,
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you are part of the problem!!!
- Rudi
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Re: Super A touch control pressure test
Gerry:
to what John said...
You will probably need the proper hex head socket to take it out. Allen keys just don't cut it
to what John said...
You will probably need the proper hex head socket to take it out. Allen keys just don't cut it
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
- Gerry Powell
- 10+ Years
- Posts: 321
- Joined: Wed Jan 21, 2009 2:17 pm
- Zip Code: 78736
- Tractors Owned: two 1948 Cubs
1951 Super A
Kubota L2350 - Location: Austin, TX
- Contact:
Re: Super A touch control pressure test
I did the test procedure and it passed so I guess it's working as intended, maybe I'm just trying to lift to much. Right, the plug was tough to get out, I finally put some heat on it with a small torch and some PB. I used a hydraulic gauge and it max pressure was 1100 psi on both cylinders. I used two SA wheel weights lifted from the rear rockshaft.
The only thing I would like to fix is a slow leak from near the leather boots. I have seen a post before but can't find it now about doing this without removing the unit from the tractor. Has anyone done this?
Rudi, thanks for the manual and thanks to everyone for the help.
Gerry
The only thing I would like to fix is a slow leak from near the leather boots. I have seen a post before but can't find it now about doing this without removing the unit from the tractor. Has anyone done this?
Rudi, thanks for the manual and thanks to everyone for the help.
Gerry
- Boss Hog
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Re: Super A touch control pressure test
It will have to be removed to put the seals in as the valves slide out the head side
Boss
Boss
IN GOD WE TRUST
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
- Gerry Powell
- 10+ Years
- Posts: 321
- Joined: Wed Jan 21, 2009 2:17 pm
- Zip Code: 78736
- Tractors Owned: two 1948 Cubs
1951 Super A
Kubota L2350 - Location: Austin, TX
- Contact:
Re: Super A touch control pressure test
Well, I took it apart today for a rebuild and had a few problems. The worst is a broken control valve pin (looks like it has been broken for a long time) 41A in the parts diagram, 354 358 R1 which is discontinued according to my local IH. I ordered the rebuild kit but still need the pin. Does anyone have an extra?
Gerry
Gerry
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- control pin.pdf
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- John *.?-!.* cub owner
- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Super A touch control pressure test
Assuming that is similar to the one in cubs, it is an off the shelf and should be available at most hardware and auto parts stores. Or use a grade 8 bolt and lock nut.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
- Gerry Powell
- 10+ Years
- Posts: 321
- Joined: Wed Jan 21, 2009 2:17 pm
- Zip Code: 78736
- Tractors Owned: two 1948 Cubs
1951 Super A
Kubota L2350 - Location: Austin, TX
- Contact:
Re: Super A touch control pressure test
That is my fallback plan but I'd like to find an original. For the SA, it's special in that it has a reduced diameter in the middle for a setscrew to hold in (along with a cotter pin) and it is very hard steel, not mild steel. A grade 8 might have to work if I can't find the real pin.
Gerry
Gerry
- John *.?-!.* cub owner
- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Super A touch control pressure test
with that groove, an aftermarket pin would not work, they are surface hardened, so that leaves the grade 8 bolt.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
- Gerry Powell
- 10+ Years
- Posts: 321
- Joined: Wed Jan 21, 2009 2:17 pm
- Zip Code: 78736
- Tractors Owned: two 1948 Cubs
1951 Super A
Kubota L2350 - Location: Austin, TX
- Contact:
Re: Super A touch control pressure test
I'm putting my SA touch control back together and was wondering if anyone knows the torque spec for the piston connecting rod. For the SA, is there a list of torque specs, I haven't been able to find anything. I saw in the Cub BOK rebuild, the torque was 75 ft-lbs, maybe the same for the SA.
Gerry
Gerry
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