Re: Injection pump

Posted by Unimog on May 13, 2003 at 14:06:26 from (152.163.252.71):

In Reply to: Injection pump posted by Kraig on May 13, 2003 at 13:28:53:

I would not recommend taking your pump apart
yourself. Pumps have mirror like finishes inside
that must be kept extra clean and the pump has to
be caliabrated with special equipment to factory
specs. Take it to someone who knows what they are
doing. Phone book is a good place to start and
ask others with diesel powered machines where
they get theirs fixed. Sounds like it could be an
injector problem. The same shop will do a pattern
spray test and check the pop off pressure. A way
to determine which injector might be in question
is to loosen the fuel line at each injector, one
at a time, about half a turn a listen for any
change or skip. Go down the line one at a time,
and backoff so the fuel shoots out around the tube
nut instead of popping thru the injector. You are
looking for a skip or change, like disconnecting
spark plug wires, to determine if the injector is
functioning properly.

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