Engine Shut Down
<Snip> "I've been experiencing some random shutdowns on my 6BT Cummins
which
just turned 4000 hrs. I've done all I can do to eliminate fuel flow
problems and air,"
Steve, is there any chance your fuel tank vent system is plugged? Had an
engine in a single engine airplane stop running for just that reason.....
Just a thought.
Don Coleman
Mi Boudreaux
42' Bristol Offshore
Alred Marina
Guntersville, Al.
Remember a diesel only needs, fuel, air and compression. If one of these
fails the it shuts down. I would check my fuel.
OH it is always the simple thing, look for an air leak on the fuel line or
pump, check for a bolt that's loose and letting air in or fallen out. If
your vacuum gauge on the fuel filters is not showing difficulty with the
fuel suction, then the tank is ok.
Ps: Did anyone do anything on the fuel tank????? Like replace a inspection
plate or sensor?
I had hired several mechanic's on my Westerbeke Gen, after $800.00 and no
solution, I found ONE lose bolt. Oh the mechanics did not give me my money
back
Thomas J Duggan
843.298.0937
Thomas@tkduggan.com
-----Original Message-----
From: trawlers-bounces@lists.trawlering.com
[mailto:trawlers-bounces@lists.trawlering.com] On Behalf Of Don Coleman
Sent: Thursday, December 22, 2011 7:49 AM
To: trawlers@lists.trawlering.com
Subject: T&T: Engine Shut Down
<Snip> "I've been experiencing some random shutdowns on my 6BT Cummins
which just turned 4000 hrs. I've done all I can do to eliminate fuel flow
problems and air,"
Steve, is there any chance your fuel tank vent system is plugged? Had an
engine in a single engine airplane stop running for just that reason.....
Just a thought.
Don Coleman
Mi Boudreaux
42' Bristol Offshore
Alred Marina
Guntersville, Al.
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On 12/22/2011 8:49 AM, Don Coleman wrote:
<Snip> "I've been experiencing some random shutdowns on my 6BT Cummins
which
just turned 4000 hrs. I've done all I can do to eliminate fuel flow
problems and air,"
Steve, is there any chance your fuel tank vent system is plugged? Had an
engine in a single engine airplane stop running for just that reason.....
Just a thought.
Not a chance, tanks are dual vented fore & aft, I just fueled up and
with the high flow nozzle, a deficiency in the vent would have been
clearly evident.
Thanks for the reply!
Steve Sipe
Solo 4303 "Maerin"
St, Augustine
Not likely in your case, Steve, but I'll mention it just in case someone else might benefit... if drawing off the top and the tube has a screen in the bottom end, the screen could be gunked up, restricting fuel flow.
The fella's boat that I'm doing some engine maintenance on, currently, complained that his one engine is dropping rpms at top end, about 300-400 rpms. He "felt" something give in the throttle cable just before this problem developed. Checked, re-checked and checked the throttle cables a third time, both upper and lower helms and just could not find a problem. Gave up and started changing his fuel filters. The Racor was so fouled up, it is surprising that he got any fuel through it to begin with, let alone at WOT. Last time they were changed was only 6 months ago, too. Sure wished every solution was so easy.
Rudy
Briney Bug, Panama City, Fl
Not likely in your case, Steve, but
I'll mention it just in case someone else might benefit...
if drawing off the top and the tube has a screen in the
bottom end, the screen could be gunked up, restricting fuel
flow.
Sorry, got called away and didn't finish my thought; so here comes the rest of it.
For those who have fuel systems that draw off the top of the tank, I'd suggest that on one of those days when you're tired of sitting around with nothing to do, that you pull the tube and look at the bottom of it. Not to find out if the screen is clogged, but instead to find out if you have a screen on it at to begin with. Better to look when you have the luxury of time, rather than be forced to when time may be of the essence.
If it's there, rip it off. If you decide to keep it, at least you'll now know for certain whether you have it or not, eliminating one point of which you'd otherwise be guessing at, should your engine(s) start to exhibit fuel starvation.
By the way, we heat our boat with a diesel pot-burning stove, one that requires pre-heating to get the diesel to burn. If you've ever tried to start and keep diesel fuel burning, you'll discover how difficult of a job it is. I suspect that many other materials in the boat will catch fire long before the diesel fuel becomes a hazard. This doesn't mean that you can afford to be imprudent, just that it might pay to put things in perspective.
Rudy
Briney Bug, Panama City, Fl