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Re: MF 35

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Author  [Modern View]

10-08-2012 16:55:35

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Put simply, a leak.
There are numerous little O rings throughout the lift system, pump, standpipe and where the hyd. cylinder mates with the lift cover. It's possible that you need to replace all the O rings and while you're in there it might be a good time to consider rebuilding the hydraulic pump.
You might also get away easy if it's one of the O rings on the stand pipe between the pump and the lift cover. It's very simple to remove, just two bolts and maybe a tap with a plastic mallet and you should be able to remove it. There is an O ring on the end of the pipe which mates with the pump and one on the under side of the plate where it mates with the top cover of the lift. If you are lucky that might be all it is.

It could also be a stuck control valve which would involve removing the top cover and the pump. Could be worn out rings on the lift cylinder. Now keep in mind that under normal operation it will leak down after maybe 10-20 minutes with an implement on, the heavier the item, the faster it will leak down but if it's as soon as you push the clutch all the way down it's a definite leak somewhere.

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Ron Kanouse

10-09-2012 03:16:41

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 Re: MF 35 in reply to Inno, 10-08-2012 16:55:35  
How hard is it to replace the rings on the ram? Do I have to spilt the tractor?
Thanks for the help.

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