Hello all,
I have one of the small obsolete cbc roosamaster on a straight 350 dozer and the pump is leaking at the throttle control lever. Wondering if any one could tell me the steps to replace the oring seal especially how to keep the rack and pinion in time or syncronized. The exploded view shows a seal on the engine side of the pivot shaft and looks like the pinion that the rack gear meshes with would have to be removed. Hoping someone with experience can tell me how to disassemble it. The pump is running the engine perfectly, just leaking a small amount when running.
model c roosamaster injection pump leaking fuel at throttle pinion lever.
Re: model c roosamaster injection pump leaking fuel at throttle pinion lever.
I don't have much experience on the C model injection pumps. A friend of mine had to send his pump to a rebuilder to get that seal replaced. He said it takes a special tool to install it. Sorry you haven't gotten any replies to this. When I saw you hadn't I reached out to my friend and that is what he said.
40 plus years working on JD 350s, 400Gs, 450s and other equipment both Ag and Construction.
Re: model c roosamaster injection pump leaking fuel at throttle pinion lever.
I will second it's better to send them off and have the whole unit rebuilt. All the seals are the same age as the one that is leaking...
JD- 450C track loader
Serial #208336T
Serial #208336T
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