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Author Topic:  Protecting O rings.  (Read 1287 times)

Offline Tasrog

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Protecting O rings.
« on: January 26, 2015, 22:47 »
Found this clip on You Tube . Makes sense to me. Thoughts anyone?


  • Detector(s) owned/used: used a ML 4500:Own - BH Tracker IV: AT PRO International, BH 3300, Fisher F5, GoFind 60, Excalibur 800
  • Oldest find: 1806 King George III penny
The bucket list. Gothic Florin - found, Gold ring - found, Trench Art - not found, Sunrise badge - not found, Cricket buckle = not found, Sov or half Sov - not found.

Offline goldnugget01

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Re: Protecting O rings.
« Reply #1 on: January 27, 2015, 00:03 »
Its been pretty well reported about people having issues with the seals on some models.  ML doesn't recommend any lube but I don't know.  Even the slightest crimp will let water in so having an additional barrier as well as something that will help prevent crimping has to be a good thing in my opinion.
  • Detector(s) owned/used: ML Explorer SE - std DD coil & ML x-terra 70. Coils: std concentric, 10x5 18.75DD, 15" 18.75DD
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Offline AngerManagement

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Re: Protecting O rings.
« Reply #2 on: January 27, 2015, 10:33 »
I lube all my connections...  

Less is more... And  I mean it,less is more.

***  I use a non conductive Si based lube...Available at many Auto shops and Auto places = Bulb Grease.
For the Excal I get a little more cautious due to possible issues at depth.
*** I use a special medical instrument Si based Vacuum grease.   It is thick and rated for sealing when extreme pressure differences.. This is what use; when I service and lube the orings around the switches and end-caps on the Excal.

***  I do not or recommend Silastic for the end-caps etc  as as it cures the fumes can destroy and or cause problems with electronic components.

NOTE:  Manufactures etc will not recommend using a lube in many cases; and for good reason.

1:  Many over lube and that is an issue - Less is more
2:  Correct o-rings have an embedded lube
3:  Lube will attract dust and sand = small items that will scratch and breach the water proofing. ( CTX3030 Battery breach is a typical example of what happens, with even a few bits of sand.)

« Last Edit: January 27, 2015, 20:40 by AngerManagement »
So can I use braid and how tight should the drag be set  when Sand Fishing...

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