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-   -   Westerbeke 7.0 BCG genset woes (https://www.boatbanter.com/electronics/24500-westerbeke-7-0-bcg-genset-woes.html)

C. Sadler October 27th 04 11:04 PM

Westerbeke 7.0 BCG genset woes
 
I have a 7.0BCG Westerbeke.
Mine is 6 yrs old, with 650 hours (I personally put 200 on it since
last November, when I bought the boat.)

Last week, it ran down in rpms a couple of times, and then died. All
efforts to restart have failed. I was low on fuel in the supply tank,
and figured that was the problem.

I have checked all safety systems, lifted the overspeed module
connection, and as long as I hold both the start switch AND the oil
pressure override switch down, it sounds like it has started and is
running. I am perhaps fooling myself because I'm sure the starter is
engaged while I'm holding down the start switch.

If I release either, the engine dies, like you hit the stop switch. I
have measured a good 12v on the fuel cutoff solenoid, even when the
switches are released. I have cracked the solenoid from the carb
housing, and have fuel running out, so I "don't" think I have a fuel
pump problem.

I am not developing A/C voltage, though. IT's like 10 volts on the
panel meter, or something trivial during the start.

Would the lack of the battery charger output from the A/C side be
causing this symptom?

Any other ideas?

Bruce in Alaska October 28th 04 12:13 AM

In article ,
(C. Sadler) wrote:

If I release either, the engine dies, like you hit the stop switch. I
have measured a good 12v on the fuel cutoff solenoid, even when the
switches are released. I have cracked the solenoid from the carb
housing, and have fuel running out, so I "don't" think I have a fuel
pump problem.


Did you bleed the fuel lines, AND the injector lines off all the air
that got pumped into them when you ran out of fuel? Air compresses very
well in the injector pump but will NOT open the injector valves. Sounds
like you still have air in the injector lines. Bleed all the lines
untill you have good fuel going into the top of each injector, and try
starting it again.......

Bruce in alaska
--
add a 2 before @

C. Sadler October 29th 04 03:41 PM

BCG = GAS
However, like I said, it was running off of a low tank.
I'm going to spin the fuel/water sep and see if it is full, or dry.




Did you bleed the fuel lines, AND the injector lines off all the air
that got pumped into them when you ran out of fuel? Air compresses very
well in the injector pump but will NOT open the injector valves. Sounds
like you still have air in the injector lines. Bleed all the lines
untill you have good fuel going into the top of each injector, and try
starting it again.......

Bruce in alaska


Tranquility October 30th 04 01:19 PM

Just a guess....But is it possible that there was a little bit of water in
the bottom of the fuel tank which was sucked into the carburetor? This
would explain the drops in RPM as the water filled the bottom of the carb
float bowl until the water level raised enough to stop the genset from
running. You would still see liquids in the fuel lines like you saw. See
if there is an easy way to drain the carbureator bowl and catch the contents
in a clear jar. Water will sink to the bottom.

The low voltage you are reading may be normal until the unit is up to
speed...

Good Luck!

Last week, it ran down in rpms a couple of times, and then died. All
efforts to restart have failed. I was low on fuel in the supply tank,
and figured that was the problem.

I have cracked the solenoid from the carb
housing, and have fuel running out, so I "don't" think I have a fuel
pump problem.

I am not developing A/C voltage, though. IT's like 10 volts on the
panel meter, or something trivial during the start.

Would the lack of the battery charger output from the A/C side be
causing this symptom?

Any other ideas?





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