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Allis Chalmers (Fiat) 5050 Lift
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CurtisJ74 View Drop Down
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Joined: 06 Apr 2018
Location: Dickson, TN
Points: 17 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CurtisJ74 Quote  Post ReplyReply Direct Link To This Post Topic: Allis Chalmers (Fiat) 5050 Lift
    Posted: 16 Jul 2021 at 4:46pm
I have an Allis Chalmers (Fiat) 5050 with lift problems.  The hydraulic pump appears to work fine, the control valve has been disassembled & cleaned with new orings. I can "pump" ( lift and lower lift arms) and they will stay up, but slowly come down, but I can NOT get the "lift" lever to function.  Any help gratefully accepted, my current frustration level very high.
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structures View Drop Down
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Joined: 28 Feb 2011
Location: Beggs, OK
Points: 335 		Post Options Post Options   Thanks (0) Thanks(0)   Quote structures Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jul 2021 at 3:50pm
Have you put a psi gauge on the line?
Robert
1964 D15 Series II
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CurtisJ74 View Drop Down
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Joined: 06 Apr 2018
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Points: 17 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CurtisJ74 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jul 2021 at 7:31pm
Short answer is no.  A Allis Chalmes mechanic told me as long as there is some fluid flow, that shold be enough to lift the arms .  And I know there is fluid to the control valve.
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Joined: 28 Feb 2011
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Points: 335 		Post Options Post Options   Thanks (0) Thanks(0)   Quote structures Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jul 2021 at 8:59pm
https://www.allischalmers.com/forum/5050-hydraulic-problems_topic31534.html

Some ideas here.
Robert
1964 D15 Series II
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