hydraulic problem

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brian kov
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Location: wampum pa (western )

hydraulic problem

Postby brian kov » Sun Apr 28, 2013 6:31 pm

i have a 55 loboy with a hydro problem , it works but it constantly cycles . it will lift and then start to drop and pump , pump pump and wait a few seconds and do it all over again ., i really need to fix it so i can use it , any ideas ?
1955 intrnational lo-boy w/ fasthitch, 1960 farmall cub w/fathitch .fasthitch moleboard ,disk,carryall rotovator,54a blade,I.H. 1ooo loader , Syms all wheather cab. PROUD MEMBER OF THE 500 CLUB LO-BOY THAT IS . 1972 154 lo boy

Clark Thompson
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Tractors Owned: I own a 1950 cub demo, 1948 farmall cub, 1944 International I-9, a 1976 internationl cub, a 1975 international cub with fast hitch roleover plow and disc. a 1962 JD-440 dozer with 253 detroit, a 1952 JD-B, a 1979 international 3200 skid loader, a 1957 international S-160 truck, a 1929 Mccormic deering 10-20, a 1952 case S0 tractor. a pennsylvaning meteor rgarden tractor and sevrial cub cadets.
Location: Hubbard Ohio

Re: hydraulic problem

Postby Clark Thompson » Sun Apr 28, 2013 7:03 pm

needs a seal kit installed. probabley worn O rings.
Collector of Farmall cubs and cub cadets.Injoy helping people keep their cubs running. Years of experipnce.

brian kov
10+ Years
10+ Years
501 Club
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Posts: 1002
Joined: Fri Dec 02, 2005 11:16 am
Location: wampum pa (western )

Re: hydraulic problem

Postby brian kov » Mon Apr 29, 2013 7:02 am

my other cub had hyd. issues and it just leaked past the o rings and filled the motor oil with hyd. fluid . i thought maybe this was a differant problem . i guess its just losing pressure at a differant point .
1955 intrnational lo-boy w/ fasthitch, 1960 farmall cub w/fathitch .fasthitch moleboard ,disk,carryall rotovator,54a blade,I.H. 1ooo loader , Syms all wheather cab. PROUD MEMBER OF THE 500 CLUB LO-BOY THAT IS . 1972 154 lo boy

Papa's Cub
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Tractors Owned: 1966 Int'l Cub w/mower 2005 Farm-Trac, 7ft Harrows, 1976 Int'l Cub Woods 59-C-2 Turn Plow w/Depth Full set of cultivators, Harrows and complete Planter & Fertilizer unit
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Location: S/E Georgia

Re: hydraulic problem

Postby Papa's Cub » Mon Apr 29, 2013 8:04 am

Brian, I think he means the block assy needs an o-ring kit. Mine was doing the same thing you described and also was leaking oil. I bought a kit from TM Tractor. Good luck.
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cub47
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Re: hydraulic problem

Postby cub47 » Mon Apr 29, 2013 8:08 am

You need to rebuild your hydraulic reservoir, there are several O-rings internally. The pump is not the only component that has O-rings. There are specific rebuild kits depending on the part number found on the side of the hydraulic block.


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