Thanks Mitch. That is how I understood it.
How far out of time can the injection pump be on one of these diesels and still start and idle well? It also ran down the road although poorly and without power. The mechanic had the vehicle running with each pump and diligently followed my suggestions of installing 180 degrees out and a couple of teeth either way. From these positions he adjusted it many times and could not get the vehicle to run properly. When he installed the new/rebuilt pump it started and ran correctl on the first try..
I would gladly ship one of the non-fumctioning pumps to anyone who wants to
test it out on one of their vehicles or other testing methods. I would love to
know without a doubt if the pump is functioning correctly. Any takers?
Thanks,
Mike
Michael E. Esh
me...@horizonenv.com
michael...@mac.com
http://www.yugster.com/invite/138123
(C) 231.286.2344
On Aug 24, 2013, at 09:44 PM, Dieselhead <126die...@gmail.com> wrote:
Richard Hattaway wrote:
I cannot imagine a shop saying that an injection pump timing check
would be prohibitively expensive.
I think Mike said a Bosch shop told him a bench test was too
expensive just to prove a suspect pump needed a rebuild.
Mitch.
Before a bench test, a simple test of turning the engine over BY HAND
(not by starter as the mechanic did) with the valve cover off, and #1
injection line off. This would have allowed the mechanic and/or mike
to see if the pump was IN time or out of time. Sequence is intake
open and close, injection starts at the factory specified number of
degrees bTDC, exhaust, repeat to ensure repeatability, confirming the
injection timing.
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