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Ctx O-ring sealing situation discussion with Minelab

jas415 said:
"I understand what you are describing, and quite possibly a viable solution, but I can almost theorize that it may also create a "less positive" seal on the primary sealing O-ring."

I suppose you could put the rubber band inside the o-ring compartment also. Anyway, I put the band around it, put it under running tap water for a minute or so, dried off the outside and opened it up, no water. Then I re-latched it, put it under water in the sink for a minute or so, dried it off and opened it up. No water inside. Anyway, it is just an idea and maybe Minelab should look into it as a fix.

And you are correct in that it just might lessen the pressure on the o-ring, even though it is a very thin rubber band, and not be as good a seal, but that is what the engineers get paid the big bucks for.

This is what it looks like.
Click to expand...

Jas,

Looks like a good idea! I like the idea of using plummers tape but I think your idea is even better! I think Im going to try that along with either 2 D rings inside or 1 and some silicone.....thats like a double seal which appears like it would keep it sealed up nicely! Thanks for the idea!
 
jas415 said:
"I understand what you are describing, and quite possibly a viable solution, but I can almost theorize that it may also create a "less positive" seal on the primary sealing O-ring."

I suppose you could put the rubber band inside the o-ring compartment also. Anyway, I put the band around it, put it under running tap water for a minute or so, dried off the outside and opened it up, no water. Then I re-latched it, put it under water in the sink for a minute or so, dried it off and opened it up. No water inside. Anyway, it is just an idea and maybe Minelab should look into it as a fix.

And you are correct in that it just might lessen the pressure on the o-ring, even though it is a very thin rubber band, and not be as good a seal, but that is what the engineers get paid the big bucks for.

This is what it looks like.
Click to expand...

You might have just found the 'fix' ! Now it needs to be made of silicon like the original seal that comes with the detector.
 
For that matter, seems to me that once the battery is installed a thin coating (or thick) of a waterproofing material like silacon could be put around the battery along the seam where it seals together. Might be tricky getting it around where the latch fits but it could be done.
 
Good old human saliva is all I use . Keeps the D-ring in place. Stays moist just long enough to get the battery sealed over compartment. Dries in place and no greasy silicone lube to worry about pulling sand in and around D-ring. I know what works and will not try to reengineer the working design. It certainly helps to try and snap both levers closed at the same time so they pull down with equal pressure the battery onto D-ring. Steve
 
I headed to So florida for the holidays and was eager to try my new Ctx in the water. After several weeks of hunting in the water.....I have to say......no water leaks this time! Not even the hint of water in the battery compartment. I still think "things" could be a bit better and different but I was happy not having to send my detector to ML for service. I also think its a good idea to put a big rubber band around the clamps. You dont need it but it keeps any possible mistakes from happening in the water.
 
when I can, I change mine at home but an long weekends or when I am lazy and don't charge it before I go out, I do as glasartisin does and clean thoroughly with a q-tip but I install a new o-ring ( you can get them from seal source or other outfits that sells silicone O-rings and they are a lot cheaper than the factory ones! they are 2mm x 80mm ) then when I get home I clean up the old o-ring and make sure it is OK to reuse. the biggest problem I have is snagging the battery snap clips and popping one side open but now I run a heavy duty rubber band around them and haven't had any more problems. dfly
 
PLUMBERS HAVE A SILICONE THAT IS NOT PETROLEUM BASE THAT THEY USE ON RUBBER O-RINGS TO SEAL
YOU CAN GET AT ANY HARDWARE STORE AND IF I GO ANY WERE NEAR WATER I LUBE UP THE GASKET
WORKS GOOD BUT REMEMBER TO CLEAN IT OFF EVERY RECHARGE SO IT WONT HOLD ANY DIRT THAT IS THE ONLY THING YOU NEED TO
DO!!!!!!!!!!!!


MINELABBOB
 
I have the thicker o-rings. For just a few bucks ill be happy to send you a set. There are a couple members on here now that have some sets on the way. Pm me and I can get you some on the way.
 
Dont know how to put a picture up but pm me and we can exchange email and I'll send pics of mine
 
I have asked this question in a few places here with no answer, the opening where the coil and screen screws to control box, obviously water can get in there with the metal in there and salt water how does that go anyone had any flooding or malfunctions in that area??

I am like many and not willing to take a multi thousand dollar machine in to the harshest environment on the planet for electronics with no warranty and to me to many places for water to come in.

so change my mind please!!

AJ
 
amberjack said:
I have asked this question in a few places here with no answer, the opening where the coil and screen screws to control box, obviously water can get in there with the metal in there and salt water how does that go anyone had any flooding or malfunctions in that area??

I am like many and not willing to take a multi thousand dollar machine in to the harshest environment on the planet for electronics with no warranty and to me to many places for water to come in.

so change my mind please!!

AJ
Click to expand...


AJ,

See this thread. http://www.findmall.com/read.php?86,2212544

You need a m6, 20mm nylon bolt and possible an o ring to fill that whole when going into the water.

Tom
 
tcornel said:
amberjack said:
I have asked this question in a few places here with no answer, the opening where the coil and screen screws to control box, obviously water can get in there with the metal in there and salt water how does that go anyone had any flooding or malfunctions in that area??

I am like many and not willing to take a multi thousand dollar machine in to the harshest environment on the planet for electronics with no warranty and to me to many places for water to come in.

so change my mind please!!

AJ
Click to expand...


AJ,

See this thread. http://www.findmall.com/read.php?86,2212544

You need a m6, 20mm nylon bolt and possible an o ring to fill that whole when going into the water.

Tom
Click to expand...

thanks Tom on that issue fix as well :clapping:

picture tells a story here is where my concern's lie. anyone had any problems with water getting in there and causing issues??

AJ

CTX.jpg
 
[/quote]

thanks Tom on that issue fix as well :clapping:

picture tells a story here is where my concern's lie. anyone had any problems with water getting in there and causing issues??

AJ

CTX.jpg
[/quote]

You should not have a problem as that isn't made to be sealed up. Water can get in thru the shaft as well......so...........if your screw connectors are tight....you should be good to go.
 
thanks JamesBondaka, guessing a good fresh water clean is due after every salt water hunt there is a lot of metal in there and must be water proof connections but it still doesn't look to flash to me and sort of scares me taking this thing in the water !!

AJ
 
Your welcome! My first ctx suffered from h2o problems but ML said there was multiple issues and that's why they replaced it. In any case, since that time I have used my ctx many hours in the water without a hint of water intrusion. Since my talk with ML....I know more than I did then and so Im careful about the care of my ctx. I take reasonable care on cleaning and inspecting it. I still think some changes "could" be made.:):minelab:
 
mine is over 3 years old so I cant afford a leak, so going to use the bigger dia o rings and is there anything else that's suggested?

AJ
 
amberjack said:
mine is over 3 years old so I cant afford a leak, so going to use the bigger dia o rings and is there anything else that's suggested?

AJ
Click to expand...
:

If your really concerned... use some silicone....just remember to clean before and after. With a larger O ring and some sealant I cant imagine anything sneaking in. Its 2 ways of sealing the compartment. Its what us divers rely on for sealing our air supply to sometimes hundreds of feet deep...so its got to be good. .:thumbup:
 
thanks James :biggrin:

I have some silicone just waiting on o rings so yes I will clean the areas well, thanks again for your help!

AJ
 
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