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TARSACCI O-Ring Maintenance
Posted by Aaron
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Re: TARSACCI O-Ring Maintenance August 02, 2020 12:09PM |
Although I don't get out as much as Dew does, I think I can add a bit of information that may be valuable to the other users. THESE ARE MY THOUGHTS and not meant as a guide yet I felt may be helpful in the future if nothing else but to put others minds in gear when dealing with o-rings and the battery cap.
First off, when I got my machine (Feb 2019) I found my red o-ring up at the top of the threads just under the battery connection. I believe it was me that questioned Dew about the sealing ability of that o-ring and he told me (after many months of use) that it was supposed to be down at the bottom as shown in the video. Knowing that information, one can conclude that as much as I did use the machine (in the water with incorrect o-ring placement) that the "water proofness" of the black o-ring against the flat surface of the battery compartment is very good. (Tom/Dimitar take notice)
.
Right after that conversation with Dew, I placed the red o-ring to the proper position and immediately asked about the fact you can now see red at the gap between the bottom of the cap and battery housing. In essence the black o-ring is now NOT making contact with the battery housing flat surface. To me this means, the red o-ring is the major sealing o-ring and seals against the inside surface of the cap and possibly against the inside of the black o-ring. In this arrangement, the black o-ring does not provide much if any of the sealing. O-rings work by compression so the black not being compressed now is why I make that comment. That small groove the black o-ring sits in is not enough to keep it in place if the red o-ring was pressing against it (again my opinion.
Now, I have had ZERO leakage in the battery compartment running either way....I now run it as shown in the video.
How long will the o-rings last? My input on that un-asked question is it depends on how often you hunt and remove/install the o-rings. I can say that I used the original o-rings for over one year. The red o-ring eventually broke and was replaced, the black o-ring is still original and is still being used. I've had the machine for 18 months.
Dew's process of cleaning and inspecting the o-ring is a good one. I however do add a very thin coat of o-ring lubricant (Dow 111 I believe).While cleaning, you can slightly stretch the o-ring and feel for imperfections or sand. If it breaks there was an unseen imperfection and would have broken soon anyway. Small cost over it breaking while being used. For the average user, this will need done every battery change.....3-4 hunts unless you are hunting like Dew does....
The threads do need attention to ensure no sand inadvertently get in the threads. It is introduced when removing the cap and is sand you may not have noticed on the cap.....it is not getting on the threads while in use, if that was the case, water would be getting in the battery!
Cliff
First off, when I got my machine (Feb 2019) I found my red o-ring up at the top of the threads just under the battery connection. I believe it was me that questioned Dew about the sealing ability of that o-ring and he told me (after many months of use) that it was supposed to be down at the bottom as shown in the video. Knowing that information, one can conclude that as much as I did use the machine (in the water with incorrect o-ring placement) that the "water proofness" of the black o-ring against the flat surface of the battery compartment is very good. (Tom/Dimitar take notice)
.
Right after that conversation with Dew, I placed the red o-ring to the proper position and immediately asked about the fact you can now see red at the gap between the bottom of the cap and battery housing. In essence the black o-ring is now NOT making contact with the battery housing flat surface. To me this means, the red o-ring is the major sealing o-ring and seals against the inside surface of the cap and possibly against the inside of the black o-ring. In this arrangement, the black o-ring does not provide much if any of the sealing. O-rings work by compression so the black not being compressed now is why I make that comment. That small groove the black o-ring sits in is not enough to keep it in place if the red o-ring was pressing against it (again my opinion.
Now, I have had ZERO leakage in the battery compartment running either way....I now run it as shown in the video.
How long will the o-rings last? My input on that un-asked question is it depends on how often you hunt and remove/install the o-rings. I can say that I used the original o-rings for over one year. The red o-ring eventually broke and was replaced, the black o-ring is still original and is still being used. I've had the machine for 18 months.
Dew's process of cleaning and inspecting the o-ring is a good one. I however do add a very thin coat of o-ring lubricant (Dow 111 I believe).While cleaning, you can slightly stretch the o-ring and feel for imperfections or sand. If it breaks there was an unseen imperfection and would have broken soon anyway. Small cost over it breaking while being used. For the average user, this will need done every battery change.....3-4 hunts unless you are hunting like Dew does....
The threads do need attention to ensure no sand inadvertently get in the threads. It is introduced when removing the cap and is sand you may not have noticed on the cap.....it is not getting on the threads while in use, if that was the case, water would be getting in the battery!
Cliff