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hydraulic pump leak?
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- 10+ Years
- Posts: 2729
- Joined: Sun Oct 03, 2004 7:11 am
- Zip Code: 03848
- eBay ID: panelbeata
- Tractors Owned: 1947 circle cub
1950 cub demonstrator
1957 cub
1967 cub - Circle of Safety: Y
- Location: NH, Kingston
- Contact:
hydraulic pump leak?
I checked the oil on my 67 cub and its way overfilled . Can the pump leak when its just sitting? I'm hoping i don't have to rebuild the pump.
- Slim140
- 5+ Years
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- Joined: Wed Nov 22, 2017 6:24 am
- Zip Code: 00000
- Tractors Owned: .
1970 International 140
1972 International 140
1949 John Deere A
1993 Ford 4630 W/Loader
1965 John Deere 110
1961 Cub Cadet Original - Circle of Safety: Y
Re: hydraulic pump leak?
Check the touch control and see if it’s full.
Every home is a school, what are you teaching?
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- 10+ Years
- Posts: 1655
- Joined: Thu Dec 24, 2009 9:19 am
- Zip Code: 00000
- Tractors Owned: '48 trimmed dash high crop cub , '78 3/4 cub , lo-boy/59 mower , '64 "galvanized" cub , cub-6 toolbar , sicklebar mowers , 54 blade , plow , mott mower , early belly mower . . international 1010 pickup with 345ci v-8 .
- Circle of Safety: Y
- Location: louisiana
Re: hydraulic pump leak?
if the seal was really shot ? seems like it could , not sure on that one , but i'm in the same boat . t/c started slowly getting weak , especially when hot . stopped working . oil a good bit above fill line, t/c low on fluid . coppersmythe...................
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- 5+ Years
- Posts: 1139
- Joined: Thu Aug 25, 2016 1:29 pm
- Zip Code: 49343
- Tractors Owned: 48 Farmall Cub "Seen Yore Dobbin"
53 F-Cub W/Loader. - Circle of Safety: Y
- Location: Michigan
Re: hydraulic pump leak?
Gaining oil in crankcase ,tells of an o-ring leaking. Mine seemed to gain just setting , but if it leaks ,it leaks. It won't heal by itself.
Not a major undertaking to replace.
The "quad " type o-ring has good reviews as a replacement. My pump received one a while back and all is well.
Pump shaft that it seats on needs inspected to be sure it does not have a groove worn deep enough to allow leaking below/ inside the ring.
Not a major undertaking to replace.
The "quad " type o-ring has good reviews as a replacement. My pump received one a while back and all is well.
Pump shaft that it seats on needs inspected to be sure it does not have a groove worn deep enough to allow leaking below/ inside the ring.
- Glen
- 10+ Years
- Posts: 6149
- Joined: Mon Mar 19, 2012 7:33 pm
- Zip Code: 00000
- Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
- Circle of Safety: Y
- Location: Wa.
Re: hydraulic pump leak?
Hi,
The Cub owner's manual says the Touch Control arms should be in the rear, or down position when you check the fluid. Then it should be full to the filler plug hole.
The fluid rises in the Touch Control as the arms go to the rear position, there is an air space in the top of the unit, if you fill it with the arms ahead, you will over fill the unit.
The Cub owner's manual says the Touch Control arms should be in the rear, or down position when you check the fluid. Then it should be full to the filler plug hole.
The fluid rises in the Touch Control as the arms go to the rear position, there is an air space in the top of the unit, if you fill it with the arms ahead, you will over fill the unit.
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- 5+ Years
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- Joined: Wed Jul 08, 2015 10:24 am
- Zip Code: 19342
- Tractors Owned: 1948 6v - Dozer
1949 with kub klipper belly mower. mag 6v - Mom
1950 with plow, 54 blade, mott mag 6v - Roxanne
1953 54 blade, c22, wood 42 6v
1957 6v - barn Queen
1965 lo-boy with c-3 mower 12 v - Loboy
1974 Horse II 12 v c-2
1975 with woods 42-6 12 v - Horse
1979 long strip 12 v stuck engine
130 with international 1000 loader 6 v
1969 140 with bush hog tow behind mower 12 v
Terramite T-6 4WD Backhoe Perkins diesel
Memberships: Rough and Tumble Engineers Historical Association;Chapter 8 IH Collectors; IH Collectors Worldwide - Circle of Safety: Y
- Location: Glen Mills PA
Re: hydraulic pump leak?
here is a very long and detailed post that covers the rebuilding and updating the hydraulic pump.
There are a few different configurations and seals used over as you can see from the photos.
http://www.farmallcub.com/phpBB2/viewto ... hilit=seal
There are a few different configurations and seals used over as you can see from the photos.
http://www.farmallcub.com/phpBB2/viewto ... hilit=seal
When you only have 9 horsepower you need to know the names of all of the ponies!
- Willy
- 5+ Years
- Posts: 519
- Joined: Sun Oct 22, 2017 4:54 pm
- Zip Code: 38330
- Tractors Owned: 1951 Cub Lil Red
- Location: Dyer, TN
Re: hydraulic pump leak?
I put the quad ring in mine and no problems so far, but it's only been a couple of months. The correct size is a 112 and I used a buna-one. I did have a problem with getting it onto the pump drive shaft as there is (was) a sharp edged step on the shaft that it was having to slide over. The quad ring lips kept twisting trying to go over it. I took a dremel grindstone and ground a very slight bevel just bigger than a hair to the sharp corner on the step and that did the trick on keeping from twisting.
- John *.?-!.* cub owner
- Cub Pro
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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: hydraulic pump leak?
Willy, I have also had to take the sharp edge off a couple pumps with my Dremel, but I used one of the drum sanding disks. I have had one of the 4 sided or X style whichever you want to call them o-rings in one fo my cubs that had a pretty bad groove for over 3 years so far. I do use an abrasive buff wheel in my Dremel to smooth the area of the groove when replacing an O-ring. They frequently have a sharp lip in the bottom of the groove that will frequently cut a standard o-ring. The abrasive buff is great to smooth that out.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
- Willy
- 5+ Years
- Posts: 519
- Joined: Sun Oct 22, 2017 4:54 pm
- Zip Code: 38330
- Tractors Owned: 1951 Cub Lil Red
- Location: Dyer, TN
Re: hydraulic pump leak?
John, good idea on the sanding disc. All that I had handy at the time was grind stone set, so I used the finest one I had and removed just enough to take off that sharp corner. Basically, just kissed it with the stone all the way around. I probably should have mentioned that.
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- 5+ Years
- Posts: 130
- Joined: Mon Feb 12, 2018 4:59 pm
- Zip Code: 28540
- Tractors Owned: 1948 Cub
- Location: Jacksonville NC
Re: hydraulic pump leak?
I read somewhere on this forum that the rods can be removed from the hydraulic box by disconnecting them from the arms and pulling forward (sorry for all the incorrect terms, stuff is still new to me). Is this so? I have a leak from the top rod and I am thinking it is an o-ring. Would love yo replace it without having to disassemble the entire box. And should I replace the leather boots with rubber or back with leather.
- 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: hydraulic pump leak?
Brodalick, if you are referring to the man piston which I believe is the top one, it is not that simple. There is a pisotn on that rod that has to be unbolted form the other end to get things out, so you are looking at removing the unit and taking the head off. At that point I would suggest a general overhaul. You can get the kit from TM Tractor, or from your local dealer, but you need the number off the TC block first. If you have a later TC block the number may be under the Hooded part on the front.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- 5+ Years
- Posts: 130
- Joined: Mon Feb 12, 2018 4:59 pm
- Zip Code: 28540
- Tractors Owned: 1948 Cub
- Location: Jacksonville NC
Re: hydraulic pump leak?
Yeah that's what I was afraid of. I did not think it was going to be quite that simple. Thanks