From: Arthur Bloom (m35prod@optonline.net)
Date: Mon Apr 24 2006 - 12:28:11 PDT
Sometimes a tiny leak will allow normal operation of the engine, but will
allow air to get into the supply line, causing hard starting.
apb
www.M35products.com
----- Original Message -----
| Good idea, I'll take a look at that.
From: "MV" <MV@dc9.tzo.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Monday, April 24, 2006 3:21 PM
Subject: Re: [MV] Cummins NHC 250 / 855 CI diesel as in the M800 series of 5
tons
|
| Thanks,
|
| Dave
|
| Hutterer, John (MPAU) wrote:
| >
| > Dave,
| >
| > I have an NHC 250 in my M816 wrecker. It has the glow plug and spray
| > nozzle arrangement. I was having trouble getting it to start. I figured
| > that it was because I didn't use it all that often. Had to use ether to
| > start it every time. One day, it wouldn't start at all. No way, no how.
| > It turned out that the fuel shut-off solenoid actuated valve had finally
| > quit on me. It could be by-passed by turning the little knurled knob on
| > it, but that was also how you had to shut the engine off, afterward. You
| > could look and see if your engine has this knob on the shut off
| > solenoid. If it does, try using it to bypass the solenoid first thing in
| > the morning. If the engine fires right up, your shut-off solenoid is
| > probably going bad. Worth a try, and easy too.
| >
| > John
| >
| >
| > -----Original Message-----
| > From: Military Vehicles Mailing List [mailto:mil-veh@mil-veh.org] On
| > Behalf Of MV
| > Sent: Monday, April 24, 2006 1:11 PM
| > To: Military Vehicles Mailing List
| > Subject: [MV] Cummins NHC 250 / 855 CI diesel as in the M800 series of 5
| > tons
| >
| >
| > Guys,
| >
| > I have an NHC 250 engine in a civilian truck - it requires either to get
| > it started even when it is warm outside. It does not have glow plugs.
| >
| > It had an ether quick start kit installed on it when I got it. The
| > military NHC 250s seem to have a preheater installed on them with a glow
| > plug and a spray nozzle of some sort in the intake manifold.
| >
| > Is it normal to have to ether these engines even when it is warm outside
| > - like 70 degrees? Once I get the engine running - even if I shut it
| > off for a couple of hours - it will easily restart. But ether is
| > required the first time each day. Not a lot, just a one second spray in
| > the top of the stack.
| >
| > The engine runs well - no smoking at all. And that is without a turbo.
| >
| > Dave
| >
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