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roosa master

  1. R

    1973 Case 450 Roosa master pump

    Pump is the Roosa master dbgfcc 431-46AJ / A-51425... was working. So poor boy attempting a re seal, pilot tube, ect ... long story short cam screw got me.. I read a post of cutting the pump body so after all else... tapping, drilling ect ... I did just that with air cut off and chisel... so now...
  2. F

    Roosa Master pump won't prime (Case 450 dozer)

    I'm sure this has been posted (and hopefully answered before); but here goes. Dozer ran fine before doing the below; so NO issues mechanically with the fuel pump itself. I recently replaced the fuel filters on my 68' Case 450 dozer. It has the Roosa Master Injector pump. Being inexperienced...
    • fitchetm
    • Thread
    • prime roosa master vacuum
    • Replies: 11
    • Forum: Dozers
  3. R

    Roosa Master

    Hi, I have a Roosa master pump that was brought to me tore down. Part number A-152378 model number DBGFCC 431-63AJ. This thing a 7-0 leaf spring and I can't seem to come up with roller to roller dimensions to save my life. If anyone has any suggestions it would be greatly appreciated.
  4. CJAMS

    CASE 580C Injection Pump Issue

    Hi all, 1st time post here on the HE forums. I have a 1978 CASE 580C for about 13 years with no issues and now it has begun running rough at idle but seems OK above idle and higher. The problem came on slowly over the winter, I first noticed it by having to pull throttle lever a bit to idle and...
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