Re: {Beneteau Owners} Engine ventilation fan always on?

[DAVID Fletcher]

It is not like a gasoline engine which has a blower designed to remove any gas vapors from the engine area which are extremely volatile . Gas vapors are heavier than air and hang  around in the bottom of the hull area. Diesel fumes are less explosive than gas fumes.

Diesel engines needs lots of fresh air to operate efficiently. Your engine is in a small enclosure so the blower supplies air to the engine. I believe you will have two vents one to let air and one to let air out . The makes for a good combustion curcuit.

You  won't hear it after a while. 

Especially when the engine is off and the sails are trimmed . lol

Sent from my Samsung device

-------- Original message --------
From: danstanford <dan.st...@sympatico.ca>
Date: 2016-11-05 9:08 AM (GMT-05:00)
To: Beneteau Owners <benetea...@googlegroups.com>
Subject: {Beneteau Owners} Engine ventilation fan always on?

This is my first Beneteau and my first ever boat where the engine ventilation fan is always on. Is this typical on all Beneteaus or is it specific to my 3YM20 engine? I ask the last part because I have read that this engine is prone to overheating and I am trying to understand if that is why it is always on when the engine is running. I presume this is a designed in element since there is no switch for the fan like I have had in other boats. 

Any comments? I would prefer to not have to listen to the fan if I can switch it off to the point that I was contemplating a thermostatic switch so it is only on when needed. 

Thanks,

Dan 

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