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Massey Harris & Massey Ferguson Tractors Discussion Forum
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MF20 head problem

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Tim in Mohnton

05-30-2006 06:23:00




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Hi, wondering if anyone can help with this one. I lost compression in #3 of my MF20 with a Perkins 152. Upon removal of the head, one of the exhaust valve seats was loose and cocked holding the valve open and #2 was loose enough to turn in the head. OTHER THAN center punching around the seat, does anyone know what the fix for this would be?

Thanks,
Tim




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mowr

05-30-2006 21:24:17




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 Re: MF20 head problem in reply to Tim in Mohnton PA, 05-30-2006 06:23:00  
While the head is already off, be sure to have it magnafluxed to check for cracks that are not visible to the eye. It's a real bummer to get one all back together, only to find a problem that serious afterward.



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Big Dean

05-30-2006 19:49:42




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 Re: MF20 head problem in reply to Tim in Mohnton PA, 05-30-2006 06:23:00  
Take the head to a machine shop and have oversized seats installed



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