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| Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum |
Topic: Roosa Master Pumps
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| gordey
08-15-2012 17:20:19
72.25.192.4
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Whats the difference between the 770, 880 and 1600 roosa master injection pumps? Thanks
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| Kelly MT
08-17-2012 08:37:23
216.14.251.158
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Re: Roosa Master Pumps in reply to gordey, 08-15-2012 17:20:19
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| I had a Roosa Master on a Farmall 350D that had sat for 7 years. The pump didn't work and it turned out to be the little pistons in the rotating element were stuck in the bore by light rust. I dissembled the pump and soaked the whole thing in diesel and lightly tapped the pistons out. Polished the bore and pistons with a paper towel and diesel. I bought a seal kit and the tractor is in the field haying right now. By the way, the dark rubber looking ring needs to be replaced with a new one made of modern material. The old material disintegrates and you will be right back into the pump cleaning out a million small pieces. PK
This post was edited by Kelly MT at 08:58:20 08/17/12.
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| J. Schwiebert
08-15-2012 18:39:59
209.143.28.57
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Re: Roosa Master Pumps in reply to gordey, 08-15-2012 17:20:19
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| Are you talking calibration or if all the parts are the same. The transfer pumps are different on the early ones.
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| gordey
08-15-2012 19:12:39
72.25.192.4
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Re: Roosa Master Pumps in reply to J. Schwiebert, 08-15-2012 18:39:59
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| John, we got an 880 with one and it isn't pumping any fuel, the shutoff rack was frozen, we got it open and it still won't pump, so im guessing the pumps not gonna be any good. So I just wondered if one of a 770 or 1600 would work? Thanks
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| J. schwiebert
08-16-2012 04:56:47
209.143.28.57
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Re: Roosa Master Pumps in reply to gordey, 08-15-2012 19:12:39
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| Sure it will work. don't laugh but I don't know if I have the calibration data for the 880. If you have a chice, pick the 1600. Youy have the model number of the 880 pump? Did you take the cover off and check to see if the metering valve moves?
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| gordey
08-16-2012 20:34:48
72.25.192.4
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Re: Roosa Master Pumps in reply to J. schwiebert, 08-16-2012 04:56:47
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| John, I can get the model # of the pump tomorrow. I only have a 770 pump laying around, would it decrease the power of the 880? We took the top cover off and freed the shut off valve is there something else to check? Thanks
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