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AT Pro O-rings/seals...

GoVidGo

New member
When you got your AT Pro did you notice how the O-rings in the headphones jack, coil jack, and battery compartment had a slight lube on them and it slowly wears away after time? Water can get into the smallest places and nothing can fry a good detector like a little bit of water.


When I was down the Outer Banks, NC, I wanted to take my detector on the beach near the water line and new it might get hit by some waves as well as take it in the surf TOTALLY under water. I just have the stock black headphones, so I knew I could totally submerge the AT Pro but just had to keep my head above the water.


My main worry was... "are the O-rings and seals going to hold up"? I had the AT Pro in the rain a few times and it got soaked but NOTHING like having it totally submerged underwater or in the OCEAN!


I found a local dive shop and he said 'they use a silicon lube on their dive equipment and tanks and he has sold some to the local metal detecting guys before'. I asked if it was 'any good and would seal O-rings better?'. His reply was 'oh yeah! When you are diving, you can't aford any mistakes or failures'.


I bought a small container (as seen in the picture) and tried it out.


The results.......?

 
I use" 3m high vacuum grease". . It is silicone and is used to stop a serious vacuum leak on anything. water can't even come close to penatrating this stuff.
 
Even if your o-rings leak the connections are bulkheaded so no water can get to the electronics there or through the battery compartment. Only a leak on the face can get you. And yes o-rings around water are typically maintained with a little silicone grease.
 
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