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Old 27 January 2015, 13:17   #1
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Fitting new Nav lights

Guys, I need a bit of advice. Just about to fit some new led port & starboard nav lights. There are 4 holes in the back mounting plate. 2 horizontal & 2 diagonal. I am using the diagonal ones to secure to the A frame. Do you leave the others to the atmosphere or block them up to prevent misting up? Cheers-John
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Old 27 January 2015, 13:22   #2
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I meant to say 'if I block the holes, will they mist up?' Dur
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Old 27 January 2015, 13:30   #3
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I would say block them up in a dry warm room if they do mist the heat from the bulb will clear it when in use
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Old 27 January 2015, 14:02   #4
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Are those ones with an LED bulb in a normal holder or an LED panel on a printed circuit board? If its the latter, just watch out if you put the screw head behind the panel as you can cause a short as I did with mine. In the end I bolted though the pcb when securing the units to the A-frame.

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Old 27 January 2015, 14:24   #5
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No, its fine. I am securing the bolts through the panel avoiding any wiring. Thanks for the warning.
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Old 30 January 2015, 11:14   #6
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Quote:
Originally Posted by jeffstevens763@g View Post
I would say block them up in a dry warm room if they do mist the heat from the bulb will clear it when in use
LED's? Heat? Wouldn't count on that process being very fast.

Getting moisture inside a nav light is not as bad as on electronic devices with a screen you have to read. The light gets spread out anyway, so no real effect there. It may eventually cause some corrosion issues, but in sea air, you're going to get that either way. If the moisture causes electrical problems due to shorting, they weren't sealed up well enough to last anyway.

That said, I'd plug the holes; a dab of silicone sealant should do the trick.

jky
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Old 04 February 2015, 12:00   #7
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Thanks for that info. Fitted them today with holes plugged with silicon. I must admit they do look good & a lot brighter than the old ones. Who's up for a night dive then?
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Old 04 February 2015, 12:24   #8
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Thanks for that info. Fitted them today with holes plugged with silicon. I must admit they do look good & a lot brighter than the old ones. Who's up for a night dive then?
By that takes me back to the 80s night diving
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Old 04 February 2015, 12:36   #9
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*Raises hand* I want to go night diving

The cool creatures come out at night, the smart hunters even I guess that also includes the sea lions dive bombing your light.
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Old 05 February 2015, 04:58   #10
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I've dived at night in uk & also abroad many times. But the best experience must be a night dive in the Maldives. Dropping onto a reef, only seeing as far as your torch (flashlight for you guys over the pond) will allow. Moray eels completely out of their shelters chasing & snapping at fish. Reef sharks flashing past in serious 'Hunting mode'
They just ignored us divers tho! Just don't aim your torch at your buddy, he won't be able to see anything for 5 mins or so!!! Ha ha
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