Re: diesel maintenance

Posted by jdemaris on August 27, 2006 at 18:33:04 from (66.218.23.39):

In Reply to: Re: diesel maintenance posted by eferwerda on August 27, 2006 at 08:51:29:

That's probably one of the most durable pumps ever made. Nice and simple and a separate injector pump for each cylinder. You just have to be sure to keep oil in it.
Only trouble I've ever experienced with them is on some early 4000 and 5000s Fords. The pumps had their own lube-oil reservoir in the injector-pump bottom. If it ran dry, the pump would start to set up - usually one cylinder at a time. There's a camshaft in there with one lobe for each cylinder - each lobe pushing on a sort of tappet that pushes on an injector pump. When the sump runs dry, the tappets or plungers stick, and then the cylinder stops firing. Those type of pumps usually either have an oil-level check-plug or a dipstick.
Many later tractors of various brands eliminated the separate oil-sump and teed it into the engine's oil-pressure galley instead. That way, it keeps itself full.

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