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MF 50 jumpy 3 point lift.


 
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Jim Gorter
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Joined: 21 Jun 2007
Posts: 184
Location: San Luis Obispo, Calif.

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PostPosted: Sat Mar 02, 2013 4:31 pm    Post subject: MF 50 jumpy 3 point lift. Reply to specific post Reply with quote

1964 MF 50. Just changed the trans oil with GL 1 from Napa. Removed and cleaned the brass hyd strainer. cycled the lift several times but still jumpy on raising up cycle. What to look for? Thanks Jim.
 
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Masseynut(Australia)
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Joined: 02 May 2008
Posts: 939
Location: North Arm, Queensland, Australia.

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PostPosted: Sun Mar 03, 2013 1:15 am    Post subject: Re: MF 50 jumpy 3 point lift. Reply to specific post Reply with quote

Usually points to two problems with-in the pump.
These can be broken pump piston rings and/or exhaust valves sticking or not seating properly.
Pump needs to be removed and stripped to repair.
 
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2tractors
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Joined: 08 Nov 2010
Posts: 1959


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PostPosted: Sun Mar 03, 2013 6:29 am    Post subject: Re: MF 50 jumpy 3 point lift. Reply to specific post Reply with quote

Could be the draft control lever too high, try moving it while its jumping.
 
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Jim Gorter
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Joined: 21 Jun 2007
Posts: 184
Location: San Luis Obispo, Calif.

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PostPosted: Sun Mar 03, 2013 12:31 pm    Post subject: Re: MF 50 jumpy 3 point lift. Reply to specific post Reply with quote

Thanks for the replies. I have yet to put a load on the lift arms, just raising and lowering to purge the air in the system. Will try the draft control position with a tool on the arms. Thanks, Jim.
 
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