Hydraulic pump

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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Hydraulic pump

Postby pva071 » Tue Jun 30, 2020 6:13 am

My IH 140 was pouring hydraulic oil into my crankcase. But if I had oil in the resivour the plows would lift and lower on demand. So I took the pump off and replaced the oil seal on the shaft that comes out of the pump, and holds the cog and reinstalled. Next I refilled the oil and it doesn't leak oil into the crankcase anymore, but plows wont lower. Any ideas why plow won't move?

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Don McCombs
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Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
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Location: MD, Deep Creek Lake

Re: Hydraulic pump

Postby Don McCombs » Tue Jun 30, 2020 10:42 am

Did you bleed the air from the system after refilling the reservoir?
Don McCombs
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Re: Hydraulic pump

Postby thecoolstew » Fri Aug 14, 2020 3:34 pm

newbie here.... I have a cessna hydraulic pump that I want to replace the oil seal. my question is how do I get the old seal out? Thanks for any help

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