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Chuck Hebert
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Joined: 14 Jan 2013
Posts: 3
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 Posted: Mon Jan 14, 2013 8:22 pm Post subject: 4020 lost all hydraulics |
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1965 4020 with powershift. The hydraulics has been weak for some time. As the tractor warmed up the 3pt and hydraulic cylinders would chatter and move slow. All hydraulics have gone out now, brakes, steering,3pt,trans, will get a little response if running for a bit, but will go out shortly after you use it. Is it the main pump.
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4020_1966
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Joined: 10 Jun 2008
Posts: 361
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| Posted: Mon Jan 14, 2013 10:29 pm Post subject: Re: 4020 lost all hydraulics |
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It sounds like your transmission lift pump is dead. It is not sending any oil to the main pump.
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Tx Jim
Tractor Guru
Joined: 14 Feb 1999
Posts: 13106
Location: Coyote Flats,Tx
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| Posted: Tue Jan 15, 2013 4:08 am Post subject: Re: 4020 lost all hydraulics |
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I'd suggest changing hyd filters,cleaning sump screen and then checking trans pump and main hyd pump pressures. It's possible damper clutch stripped out.
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