Insp. Dil & O2 Manual Addition issue

jont

One issue I have always had with the insperation is how easy it is to unscrew the manual O2 and Dill addition assembly on the CL's.

While this has never happened to me at depth, it has happened to me in a pool while practicing various things (to stay sharp).

Has any of the resident geniuses come up with a way to solve this problem, is there a better way to go?

Perhaps they can be switched to something a little more robust? or perhaps something with more threads?

Please advise

jkaterenchuk

I have never had this issue. In fact If asked i would say they are highly unlikely to undo by themselves. Maybe, it's because I have the LP hoses running on the inside of the CL's and there is very little play once they are connected.

John

jont

I do have them running down the inside of the cl, and I like them that way.

Mikel-Deko

It is very easy
You just need to put a o-ring behind the piece you move to disconect them.
This way you have to make a big effort to disconect them.
Best
Mikel

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Mikel-Deko
Basque Country
www.olatu.net

"DIR is the nanny state for divers who cannot think on their own" Ron Micjan

colinicky

How does this stop the button piece unscrewing ? which I think is what the op wanted to stop ? I know that putting an O ring on the hose fitting helps stop the hose fitting being disconected accidentally .

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Colin

I trust my rebreather completely ,
I just don't trust the user

onwards & downwards

Mikel-Deko

Sorry,
I didn't undestand well.
I was thinking about disconected hoses not unscrewing the all the pushbutton.
Sorry
Mikel

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Mikel-Deko
Basque Country
www.olatu.net

"DIR is the nanny state for divers who cannot think on their own" Ron Micjan

Mdemon

I use O2 grease. Doing the inflator up tight seems to grip fine and stay done up. (The flavour I use is very gunky so as a bonus, the o-ring stays put when you open it up.)

I had an inflator undo on me on a dive - or more accurately, I unconsciously undid it by running my thumb down the side to locate the inflator. I didn't spot it immediately. It really wasn't, and isn't a big issue - just do the damn thing up and empty at your convenience.

My kitting-up drill incudes a quick twist on each inflator. I think that's enough - additional mods would be overkill IMHO.

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jont

What 02 greese is that stick so it acts as a bonding agent as well?

Dave Faye

I have never had a problem with the dil or 02 valve twisting or opening on me when running the hoses from the inside.

Over the past year I have only run my onboard hoses on the outside of the C/Ls. The reason is, on my deep dives I often disconnect my onboard dil on ascent and flush with a lighter trimix. I have found that when I route the hoses to the outside and connect an off board hose from my right, the dil manual inflator can twist a 1/4 turn. However, this has never resulted in a leak. You actually need to twist the dil valve a full turn or more to get a leak. It is not possible to twist the valve a full turn if the hose is connected. I have tested this with 1/4 and 1/2 turns without a leak.

FYI I run short (approx 1 foot hoses) from the first stages my off board 02, dil and bailout mixes. This gives just the right length and play and will keep the manual valves from twisting. It also keeps the extra hose length off your chest and out of your face.

Dave

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Dave

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