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BELLY PUMP

Farmall H, HV & Super H, 300 & 350, 1939-1958
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DanR
10+ Years
10+ Years
Posts: 1631
Joined: Fri Dec 22, 2006 6:28 am
Zip Code: 37743
Circle of Safety: Y
Location: Tennessee East

BELLY PUMP

Postby DanR » Mon Sep 06, 2010 11:57 am

Can the input shaft seal be replaced on the hydraulic pump on a H/M without tearing the pump apart?
47 Cub (Glenda)
52 Super A
62 Cub (Genie)
43 H
42 M
In all things know which way the wind is blowing.

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John *.?-!.* cub owner
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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: BELLY PUMP

Postby John *.?-!.* cub owner » Mon Sep 06, 2010 9:25 pm

yes and no. LOL The big problem is unscrewing the drive lug. You will need to drop the pump, and remove the pump from the housing. Pump forms rear wall of housing. Once pump is out, insert piece of flat steel into the oil intake so it wedges the gears and keeps the shaft from turning. Once this is done, you can , if you are lucky, unscrew the drive lug, then replace the seal.
If you are not part of the solution,
you are part of the problem!!!

DanR
10+ Years
10+ Years
Posts: 1631
Joined: Fri Dec 22, 2006 6:28 am
Zip Code: 37743
Circle of Safety: Y
Location: Tennessee East

Re: BELLY PUMP

Postby DanR » Tue Sep 07, 2010 8:10 am

Is this a right handed thread? A 36" piece of angle iron wouldn't do it.
47 Cub (Glenda)
52 Super A
62 Cub (Genie)
43 H
42 M
In all things know which way the wind is blowing.

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Dusti Snider
10+ Years
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Posts: 601
Joined: Tue Feb 04, 2003 9:10 am
Zip Code: 24739
Tractors Owned: 1951 Farmall "M" - Restored
1949 Farmall Cub - Original "Blue Ribbon Reconditioned"
1953 Farmall Super AI
1934 Farmall F-12
1929 Farmall Regular
1956 Ford 640
1972 Ford 4000
Circle of Safety: Y
Location: Mercer County, West Virginia

Re: BELLY PUMP

Postby Dusti Snider » Wed Sep 08, 2010 7:48 am

If memory serves me correctly it's left hand thread and was not at all hard to remove...
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User avatar
John *.?-!.* cub owner
Cub Pro
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: BELLY PUMP

Postby John *.?-!.* cub owner » Wed Sep 08, 2010 8:21 am

DanR wrote:Is this a right handed thread? A 36" piece of angle iron wouldn't do it.
I had to dig out a manual to check, but it is a right hand thread, turns to the left to unscrew. On ours the spring that returns the lever to neural when the pump reaches maximum pressure broke many years ago and the end of it went through the pump. That spring is pretty tough and actually took little pieces out of the edges of the pump gear. When I tried to replace that seal a couple years ago I made a tool using a grade 5, 5/8 bolt and used my big impact wrench. After I broke the bolt I bought another pump from JP Tractor, installed a new seal in it, and put it in. Look at the pump gears through thew oil intake, and if you see some chips out of the edges of the gear you may have the same problem.

One note, the manuals show putting a brass or soft steel bar against the corner of the drive lug, and using a hammer to loosen it, driving it in the direction to loosen it. The shock will help break it loose.
If you are not part of the solution,
you are part of the problem!!!

DanR
10+ Years
10+ Years
Posts: 1631
Joined: Fri Dec 22, 2006 6:28 am
Zip Code: 37743
Circle of Safety: Y
Location: Tennessee East

Re: BELLY PUMP

Postby DanR » Wed Sep 08, 2010 8:26 am

Thanks John, I'll try the hammer and brass first then the impact if needed. I think there was just enough bend in the angle iron to minimize the torque.
47 Cub (Glenda)
52 Super A
62 Cub (Genie)
43 H
42 M
In all things know which way the wind is blowing.

DanR
10+ Years
10+ Years
Posts: 1631
Joined: Fri Dec 22, 2006 6:28 am
Zip Code: 37743
Circle of Safety: Y
Location: Tennessee East

Re: BELLY PUMP

Postby DanR » Sun Sep 12, 2010 6:46 am

No luck so far. I'll weld up a key tomorrow. Will the pump from an M fit in the H ?
47 Cub (Glenda)
52 Super A
62 Cub (Genie)
43 H
42 M
In all things know which way the wind is blowing.

User avatar
John *.?-!.* cub owner
Cub Pro
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: BELLY PUMP

Postby John *.?-!.* cub owner » Sun Sep 12, 2010 9:58 pm

Complete housing will not fit. do not know if you can put an M pump in the H housing.
If you are not part of the solution,
you are part of the problem!!!

DanR
10+ Years
10+ Years
Posts: 1631
Joined: Fri Dec 22, 2006 6:28 am
Zip Code: 37743
Circle of Safety: Y
Location: Tennessee East

Re: BELLY PUMP

Postby DanR » Tue Sep 14, 2010 6:53 am

Thanks John. The impact wrench did the trick. :{_}:
47 Cub (Glenda)
52 Super A
62 Cub (Genie)
43 H
42 M
In all things know which way the wind is blowing.


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