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hydraulic pump rebuild kit

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motoscott909
10+ Years
10+ Years
Posts: 39
Joined: Wed May 08, 2013 9:18 pm
Zip Code: 49403
Tractors Owned: 1950 Cub "Gertrude"
Location: Conklin, MI

hydraulic pump rebuild kit

Postby motoscott909 » Mon Oct 14, 2013 9:43 am

Hey Guys,

Now that ive figured out the surging problem ive moved on to rebuilding my hydraulic pump because it is leaking oil into the engine. After doing some research I keep noticing that the older pumps used a flat leather main seal and the new ones use an o-ring. My cub is a 1950, so im not sure if it would be considered the "old style" or not?

Anyways, I guess I just want to know if I am ordering the correct parts? Here are the numbers from TM: Stock# HY288. I dont see a flat leather seal in there but the description says it fits 1947-1964 cubs.

Thanks!
Scott

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Bob McCarty
Team Cub
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Joined: Tue May 25, 2004 8:02 pm
Zip Code: 80501
Tractors Owned: Cubs, MH Pony, Shaw, Allis G, 1934 Silver King, JD LA and LI, Gibson D, David Bradley Tri-Trac
Circle of Safety: Y
Location: CO, Longmont

Re: hydraulic pump rebuild kit

Postby Bob McCarty » Mon Oct 14, 2013 10:27 am

Scott, The leather seals are not made anymore, except for some special applications. The rubber seal you get in the kit from TM is more durable. It will probably be thinner which allows you to place it on the shaft away from any grooves from previous wear.

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein

motoscott909
10+ Years
10+ Years
Posts: 39
Joined: Wed May 08, 2013 9:18 pm
Zip Code: 49403
Tractors Owned: 1950 Cub "Gertrude"
Location: Conklin, MI

Re: hydraulic pump rebuild kit

Postby motoscott909 » Mon Oct 14, 2013 11:02 am

Thanks! just ordered the rebuild kit. Im sure ill have questions once I dive into the rebuild.
Scott

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John *.?-!.* cub owner
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Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: hydraulic pump rebuild kit

Postby John *.?-!.* cub owner » Mon Oct 14, 2013 9:39 pm

I do not think the seal is included in the seal kit from TM unless it has been changed. IH 355742R91 or NAPA 5068. the same kit fits either pump, but the seal had to be purchased separately if needed.
If you are not part of the solution,
you are part of the problem!!!

Bob McCarty
Team Cub
Team Cub
Posts: 11825
Joined: Tue May 25, 2004 8:02 pm
Zip Code: 80501
Tractors Owned: Cubs, MH Pony, Shaw, Allis G, 1934 Silver King, JD LA and LI, Gibson D, David Bradley Tri-Trac
Circle of Safety: Y
Location: CO, Longmont

Re: hydraulic pump rebuild kit

Postby Bob McCarty » Mon Oct 14, 2013 10:50 pm

John is correct about the seal (as always). The kit only includes the o-ring that replaced the seal. When you get the pump off, see if you can find the part # of the pump. If it ends in an R92, it takes the seal. If it ends in R93, it takes the o-ring in the kit.

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein

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ricky racer
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Re: hydraulic pump rebuild kit

Postby ricky racer » Tue Oct 15, 2013 6:07 am

1929 Farmall Regular
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub

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Mike in Louisiana
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Re: hydraulic pump rebuild kit

Postby Mike in Louisiana » Tue Oct 15, 2013 9:54 am

Here is a how to if you havent found it. viewtopic.php?f=11&t=44196
1975 cub (LouAnn) serial # 245946, 1941 John Deere Model H

Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers

motoscott909
10+ Years
10+ Years
Posts: 39
Joined: Wed May 08, 2013 9:18 pm
Zip Code: 49403
Tractors Owned: 1950 Cub "Gertrude"
Location: Conklin, MI

Re: hydraulic pump rebuild kit

Postby motoscott909 » Fri Oct 18, 2013 7:18 am

Hey Guys,

Success!! :D I got the pump rebuilt last night, re-installed and bled. I have to say that the hydraulics seem stronger than ever and no longer make the whinning noise.

Also, I cant say enough good things about Tom over at TM tractors. He was very helpful answering any questions i had about the kit, and shipped it very fast.

Thanks everyone for the input!


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