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Farmall & IHC Tractors Discussion Forum
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MTA humming noise from hyd !!!!

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460 anger

08-12-2007 16:32:49




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I have a Farmall MTA that makes a humming noise. It sounds like it's coming from the hyd. pump. It's full of oil. I know this has been posted before, but I couldn't find it. So any ideas or remedies would be greatly appreciated. Thanks.




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Bob M

08-12-2007 19:20:29




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 Re: MTA humming noise from hyd !!!! in reply to 460 anger, 08-12-2007 16:32:49  
If the hydraulics work OK and if the pump/reservoir do not get too hot to touch after running a while, I wouldn't worry about it.

For some reason many SM/SMTA/400/450 live pumps have a tendency to make a buzzing noise - especially noticable at low idle. We have several - all have buzzed to some extent for as long as I can remember.



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georgeky

08-12-2007 19:56:06




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 Re: MTA humming noise from hyd !!!! in reply to Bob M, 08-12-2007 19:20:29  
Bob, I would guess you are exactly right if it isn't getting hot. I put a new pump on my old C about 10 years ago and it has made a little noise ever since. The old pump that I ran for 20 years never made a peep.



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georgeky

08-12-2007 18:09:45




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 Re: MTA humming noise from hyd !!!! in reply to 460 anger, 08-12-2007 16:32:49  
I am not really up on the SMTA, but I suspect you have a stuck relief valve that is not letting the oil dump unrestricted if that makes any since.



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