hydraulic problem

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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
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Re: hydraulic problem

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

needs a seal kit installed. probabley worn O rings.
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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 .
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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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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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