Back pressure
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- 501 Club
- Posts: 543
- Joined: Sat May 07, 2016 5:13 pm
- Zip Code: 45380
- Tractors Owned: 1952 Cub w/ 184 motor (Kid)
12V with Petronix
IH 3160 Mower Deck
54 Leveling Blade
193 Plow
IH528 Trailer
Front/Rear Weights
Farmall 300 (Clarence)
12V with Petronix
Woods L306 72" - Circle of Safety: Y
- Location: Versailles, Ohio
Re: Back pressure
It is an easy rebuild. I had to do that after I blew my pump when I added another cylinder to articulate the snow blade. I didn't think about adjusting the pressure relief on the new cylinder.
Shawn Agne
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- Team Cub Guide
- Posts: 23043
- 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: Back pressure
Actually there are 2 different pumps, with the only noticeable difference being one has a standard oil seal, and the other an O-ring.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- Posts: 30
- Joined: Fri Mar 27, 2015 9:42 pm
- Zip Code: 15717
Re: Back pressure
Well been a couple months but finally rebuilt pump today. I got the kit but after doing all the o rings I think I could of of got the main oring and been fine. Thanks for tips and info guys, removing the key was the worst of it. Got to get new key tomorrow.
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- Team Cub Guide
- Posts: 23043
- 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: Back pressure
I had one that was so tight I finally took it to a friend that had a machine shop. After spending half an hour trying the same things I had tried he welded a small nut to it so he could get a better grip on it and it came right out.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- 501 Club
- Posts: 511
- Joined: Sun Oct 22, 2017 4:54 pm
- Zip Code: 38330
- Tractors Owned: 1951 Cub Lil Red
- Location: Dyer, TN
Re: Back pressure
I rebuilt mine back in early November, but went with a "quad/x-ring" type o-ring in an effort to have it seal in a different part of the pump shaft than the original o-ring did. The original ring left a nice groove where it rode on the shaft. So far it's held up pretty good. I did have to round down a sharp cornered edge on the shaft with a small file as that quad ring didn't want to slip over it without twisting up.
As for that key, I used a set of needle nose vise grips on the old one and just replaced the fool thing after I got it out.
As for that key, I used a set of needle nose vise grips on the old one and just replaced the fool thing after I got it out.
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- Posts: 30
- Joined: Fri Mar 27, 2015 9:42 pm
- Zip Code: 15717
Re: Back pressure
The shaft had some wear ,no filing required though. Now that key did me in, I was trying to be gentle ( been known to break stuff) but it would not budge. Drove up to a Buddy's and within 30 seconds he had it out, I just shook my head.....
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