From: James Shanks (n1vbn@yahoo.com)
Date: Fri Jun 10 2005 - 03:11:45 PDT
Joe,
Sounds like fuel injection pump rebuild time to
me. Sounds like the governor (inside the fuel
pump) lost the ability to know how faset the
engine is running. You will like it much better
when replaced /rebuilt.
We had one do the same thing here in NH
civilian truck but same NTC-855 engine, rebuilt
pump after owner was convinced it wasn't the
problem and it runs like a Cummins again.
James Shanks
85 M-1009
98 IMZ 8.103
--- joeyounginc@aol.com wrote:
> Twice while warming up the Cummins in my M813,
> it
> "ran away," that is, it went into a high rpm
> mode, and
> I do mean high. Both times this happened was
> after
> air pressure was up, had been running a few
> minutes,
> and the truck had been sitting for a couple of
> weeks.
> I pressed the throttle pedal a little and away
> it went. I
> was able to shut it down the first time by
> turning the
> start and battery switches off. The second
> time, I first
> looked at and worked the throttle linkage, but
> could
> not find anything wrong, so I started it and
> idled fine.
> Gave the throttle pedal a little nudge and I
> had to pull
> the emergency fuel shut off cable on the dash.
> I did
> not hear any drop in the rpm after shutting off
> the
> two switches.
> After another two weeks of letting it sit, I
> got
> Soldier #2 (my daughter) to gently work the
> throttle
> pedal, I observed the movement of the linkage
> to the
> injector. Advance and return movement was fine.
> The
> return spring is good and strong. The first
> thing I looked
> at was the position of the arm on the injector.
> It was in
> the fully returned (idle) position. I don't
> think that I
> touched the pedal during of after the run away.
> Started it and ran fine, but I barely nudged
> the throttle.
> Let it idle awhile. then shut it down.
> Injector pump problem?
> Thanks for any suggestions concerning this
> problem,
> Joe Young
>
> ===Mil-Veh is a member-supported mailing
> list===
> To unsubscribe, send e-mail to:
> <mil-veh-off@mil-veh.org>
> To switch to the DIGEST mode, send e-mail to
> <mil-veh-digest@mil-veh.org>
> To reach a human, contact <ack@mil-veh.org>
>
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
This archive was generated by hypermail 2.1.4 : Fri Oct 28 2005 - 22:47:28 PDT