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Farmall & IHC Tractors Discussion Forum
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1066 hydro pump problem

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1066 Dairyman

01-28-2007 17:31:17




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My friend has a 1066 Turbo that we use daily to feed 200 head of dairy cattle with a TMR feed mixer. This past summer (late) he had a hydro pump failure that runs the dual hydro outlets on the back. After two new pumps (long story), the second pump worked but has a bad howl to it especially at 540 PTO rpm's. He did bleed it off when installed and it is a new pump. The mixer runs fine off the hyros and to my knowledge, it isn't putting too much or any shavings into the fluid (hopefully the filters are catching most). Filters are changed regularly to hopefully prevent a problem. I figure that the pump has its clearances too tight from the factory? I know this has to be ruining the pump and who knows what else but the cows have to be fed so down time hasn't been available. One, what could be the problem? Two, would another new pump help or something else? Three, how much damage to other parts could this be causing? I'm a Deere convert so my knowledge of 1066s is low but she's a power house and I hate to see it eat itself alive with this problem. Thanks for any help!!!

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Allan In NE

01-29-2007 03:23:15




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 Re: 1066 hydro pump problem in reply to 1066 Dairyman, 01-28-2007 17:31:17  
I figure you've got the wrong gear.

Allan



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the tractor vet

01-28-2007 21:58:05




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 Re: 1066 hydro pump problem in reply to 1066 Dairyman, 01-28-2007 17:31:17  
Without running some tests to find out just what it is doing and not hearing it it could be a number of things . So here you are going to have to put something else on the mixer wagon and get it in someplace that can hook it up to a flow rater and runa couple quick tests . IT could be that one of the o/rings got cut when the pump was installed , it could be that some shavings from one of the other pumps got into the pressure releif valve and has it parcialy blocked or stuck , tryen to fix a problem like that over the keyboard is imposable .

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JayWalt

01-28-2007 20:48:54




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 Re: 1066 hydro pump problem in reply to 1066 Dairyman, 01-28-2007 17:31:17  
I would definitely change the filter.
My hydraulic pump whimes too, and from discussions with others, some say there's has done that since new, but to me there has to be a cause. I havent got into it, but some day I might take her apart and check it out, maybe next winter or around fall after the track is complete, I dont know yet. Problem with touching these old beast is my fear of breaking bolts, which never makes for a good project =\

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