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Tool Talk Discussion Forum

part for roosa master pump

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steve turner

07-15-2004 11:52:09




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i got it apart now and all looks pretty good except the rollers and the part that they roll against are pitted. i have new rollers but i need the other piece. would one off any 4 cylinder db pump work? and does anybody have one?




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Bob

07-15-2004 13:28:53




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 Re: part for roosa master pump in reply to steve turner, 07-15-2004 11:52:09  
If you are talking about the outer ring with the cams inside, it's called the CAM RING. It is application specific, and normally there's a part number stamped in it.

Or are you referring to the "shoe" that the rollers actually fit into?



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msb

07-15-2004 21:05:57




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 Re: Re: part for roosa master pump in reply to Bob, 07-15-2004 13:28:53  
Bob is correct.Those pumps are timed - end of injection since the beginning of injection is variable and determined by the ammount of fuel the govenor allows the transfer pump to supply the two pistons.The cut off as Roosa Master calls it is that area of the cam ring that determines when and how the injection is ended and each manufacture calls the shot as to how the cut off is supposed to perform.They are not all the same and the timing is different for different cam rings.

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steve turner

07-15-2004 14:06:59




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 Re: Re: part for roosa master pump in reply to Bob, 07-15-2004 13:28:53  
yes its the cam ring. number on it is 10384



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Bob

07-15-2004 14:35:50




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 Re: Re: Re: part for roosa master pump in reply to steve turner, 07-15-2004 14:06:59  
I've forwarded this number to a guy who has some Roosa parts, new and good used. He'll call me back if he finds something.



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