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Roosa Master question


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Posted by steve n carol on September 11, 2012 at 18:37:29 from (173.55.247.24):

On my CASE 450 Crawler.

Pump Model #DB843AJ2837

I have been collecting information on this pump, (from this board) for a few years now. today in getting ready to pull the pump to rebuild it, I noticed that... while I had to break out the glass check ball, (to get the machine back to its bed, a year ago), I never noticed any of the material, described as "mouse turds", inside either the side cover (2 screws) or the top cover/reservoir, (3 screws).

I am not 100% with how this pump works, I do believe that w/o the glass ball, internal pump pressures continue uncontrolled, (?). so I will replace the check valve w/the glass ball, for sure.

when the machine stalled out, I found blockage above the glass ball, dirt, packing material etc., and it kept accumulating. 3 or 4 times I cleaned this material out, until I knocked the ball out, to get the tractor back to the shed.

Q). are there other reasons why I would have to knock this glass check

ball out, that would not warrant rebuilding this pump?

'If it isn't broke, i don't want to fix it'....

thanks in advance...snc


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