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Restoration & Repair Tips Board

Roosta Master Rebuild Breakdown

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Mike

06-19-2004 20:02:29

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I need a parts breakdown for a 1965 2010 JD roosta Master fuel pump or any tips woould help. Thanks Mike

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leland

07-05-2004 20:34:47

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Re: Roosta Master Rebuild Breakdown in reply to Mike, 06-19-2004 20:02:29

Mike take it to a shop i have seen people try this at home and FAIL its cheaper to have it done once than pay someone to fix your f-up

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06-27-2004 06:35:52

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Re: Roosta Master Rebuild Breakdown in reply to Mike, 06-19-2004 20:02:29

John Deere has at least one manual on injection pumps. I assume they have one on your particular pump. The one I have shows breakdowns as well as disassembly & reassembly instructions. The one I have is SM-2045, Service Manual for "Testing and Servicing Fuel Injection Pumps and Nozzles" It has several Rosa-Master pumps as well as some Bosch and Scintilla pumps in it as well as several types of injectors.

The pumps aren't difficult to work on but everything must be CLEAN & rinsed in clean fuel before assembly. Everything goes together easily except the head assembly into the case. If you force things together, you will have problems.

The piston that adjusts the timing seems to gall in the bore and sometimes has aluminum from the case stuck to it. They can be bored and oversize pistons installed but I usually clean all the aluminum from the piston with scotchbrite then polish the bore with scotchbrite wrapped around a wire in a drill. I also use Shaffer moly lube additive on the piston when installing it & haven't had one stick again.

hope this helps,
John

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RickB

06-20-2004 02:57:37

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Re: Roosta Master Rebuild Breakdown in reply to Mike, 06-19-2004 20:02:29

Here's a tip. Send it to a qualified diesel pump shop. Roosas are cheaper to repair than most brands, and it probably will work fine right out of the box. Injection pumps are not a DIY repair.

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mike

06-20-2004 12:30:47

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Re: Re: Roosta Master Rebuild Breakdown in reply to RickB, 06-20-2004 02:57:37

Thanks,But no thanks Mike

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msb

06-22-2004 20:51:53

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Re: Re: Re: Roosta Master Rebuild Breakdown in reply to mike, 06-20-2004 12:30:47

What do you want to know?I have rebuilt at least 1,000 of them.(Used to run the diesel room for the local Deere dealer)Unless you have extensive training on them the other poster is correct plus it takes special tools and parts can be hard to come by. But I'll try to help if possible.What seems to be the problem.

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Oldfarmboy Jim

06-22-2004 23:25:14

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Re: Re: Re: Re: Roosta Master Rebuild Breakdown in reply to msb, 06-22-2004 20:51:53

Tip #1 Get the shop manual for your model pump before you start to take it apart. Read it over a couple of times before you proceed.Follow it closely!
Tip #2 Get a CLEAN hard suface to do your work on. A micrometer and caliper to take precision measurements with is necessary
Tip #3 get a gasket/seal kit for your model pump from your local diesel shop( Roosa Master is now STADYNE or Standyne).
I did this last summer to get an old IH TD 340 running after it had sat for five years. I got my shop manual from Bookbinders.com, but YTM or SSB probably carry them too. Mine turned out to have a stuck metering valve and a little gunk in some of the passages. Nothing was worn beyond limits. After blowing out the passages, dressing the corrosion off the metering valve and replacing all the gaskets and seals, the pump worked fine and I've run the tractor at least once a week now for a year.
I couldn't find anyone who would even open the pump up for less than $300, let alone fix it. So I spent $42 for a manual and gasket kit and had the satisfaction of fixing something I'd never worked on before. I'm no mechanic either. Growing up on the farm, I was taught to never pay someone to do what you can do for yourself. I've saved a lot of money that way and gotten a pretty fair education, too. Good Luck, Jim

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txblu

06-27-2004 05:32:53

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Re: Re: Re: Re: Re: Roosta Master Rebuild Breakdow in reply to Oldfarmboy Jim, 06-22-2004 23:25:14

Good for you. You are an inspiration to me and as a result when my Ford 2000 finally croaks I think I will have the guts to take it on. The thing I am concerned about (other than getting the parts back in the right places) is setting the governor so that max rpm's are at the spec value.

Thanks,

Mark

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