Blade Fuse corrosion

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Blade Fuse corrosion

Postby mlines » Mon Jul 23, 2012 10:54 am

We nearly got caught out in Studland Bay yesterday when the boat refused to start after a mooring up session.

Pushing the blade fuses into the holder sorted the problem.

However I remember 3 years ago when we got the boat I had to take the fuses out and clean the blades and re-seat them to get various electrical items working. Is there a specific cleaner/protection I should use. (its a typical car style blade fuse box behind the dash but not enclosed

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Re: Blade Fuse corrosion

Postby Ed » Mon Jul 23, 2012 11:36 am

Use silicon grease after they have been cleaned up. Blade fuses are convenient but totally unsuitable for a boat really. Found this out myself too!
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Re: Blade Fuse corrosion

Postby Capn Jack » Wed Jul 25, 2012 11:08 pm

Me too, the materials used in car blade fuses succumb to sea air rapidly.
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Re: Blade Fuse corrosion

Postby Doc Oakley » Wed Aug 01, 2012 10:46 am

It's a common problem, this and as the Cap'n says, sea air is the culprit - I have found WD40 to be quite effective, but also sealing the fuse box, be it with a bespoke gasket or simply some electricaltape can help to keep the atmosphere out.
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Re: Blade Fuse corrosion

Postby salamis » Wed Aug 01, 2012 11:16 am

I do tend to spay WD40 into the blade fuse holder each season for this very reason as I too have succombed to this very problem. I refitted the bilge pump the other week and had to fit a new in line fuse. A trip round to Force4 chandlery and found a totaly enclosed water tight fuse holder for a blade type fuse which also got a blast of WD40. It is one of the most irritating parts of boat ownership fuses!
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Re: Blade Fuse corrosion

Postby Ed » Thu Aug 02, 2012 9:21 pm

Battery terminal grease will work too. This is available in a spray can.
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Re: Blade Fuse corrosion

Postby mlines » Thu Aug 09, 2012 7:36 pm

I took the fuses out to clean them up and found that one of the fuse holder positions has corroded to bits.

Is there any particularly recommended boat electrical suppliers?

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