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Old 17 May 2010, 08:48   #1
Country: UK - N Ireland
Town: belfast
Boat name: un-named
Make: humber
Length: 5m +
Engine: mercury 60hp
Join Date: Jun 2009
Posts: 9
preserving lifespan of gauges ?

Hi Everyone. Is it possible to preserve the life of console guages ? My mercury trim and Tacho guage are now in their 4th year. When I take cover off rib they are steamed up inside with condensation although they do soon clear. However I'm sure its only a matter of time before they either stop functioning or become erratic. Can you whack wd40 up inside them ?

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Old 18 May 2010, 02:56   #2
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Country: UK - England
Town: Salcombe, Devon, UK
Boat name: BananaShark
Make: BananaShark
Length: 10m +
Engine: 2xYanmar 260 diesels
Join Date: Mar 2003
Posts: 4,225
Ventilate the cover - if it's doing that to your gauges it's doing that to everything else in there!
Originally Posted by Zippy
When a boat looks that good who needs tubes!!!
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Old 18 May 2010, 10:35   #3
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,621
I was under the impression that most guages are sealed at the factory(sealed to be waterproof, anyway - not talking about tampering); if that's the case, any condensation will be fresh water, and should be fairly benign (certainly more benign than opening the case to salt air to get rid of the fresh water.)

Perhaps a Merc mechanic or marine electrician could tell you whether it's possible to open and purge the guages (filling with dry nitrogen would be ideal), but I suspect that just living with it or replacing the guages are your options at this point.

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