As I understand it, the main purpose of the blower is to vent gasoline fumes 
out of the engine compartment to eliminate (or greatly reduce) the risk of 
explosion.  Diesel fumes don’t present an explosion risk as far as I know.  
Nevertheless, I run the blower on my boat (diesel engine) when I’m running the 
engine for an extended period of time as it cuts down on the diesel smell in 
the compartment (and, in turn, the rest of the boat).   

From: David Knecht via CnC-List 
Sent: Monday, September 30, 2019 10:40 AM
To: CnC CnC discussion list 
Cc: David Knecht 
Subject: Re: Stus-List Engine compartment bilge pump and blower

I believe I have a blower in my engine compartment, but I have never turned it 
on.  When should it be run on a diesel engine?  Dave



  On Sep 27, 2019, at 9:42 PM, ALAN BERGEN via CnC-List <[email protected]> 
wrote:

  The bilge pump and blower might have a common return. Follow the (probably) 
black wires from the bilge pump and the blower to see whether you have a bad 
ground.

  The blower on my boat has an in-line fuse, located close to the blower 
switch, if you want to check that out.


S/V Aries
1990 C&C 34+
New London, CT

 




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