Julius SCHMIDT
Contributor
It's simply don't work on your regs and your cars engine on the same bench with the same tools at the same time
and air through one filter is plenty clean enough, just make sure your PMV is working good
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Completely agree about having no non-O2 stuff in the kit (only tribolube and Viton orings in mine)...but.....what about tools.Do yourself a favor and go through your dive spare parts kit and get rid of any non O2 compatible parts if all you carry is viton orings and O2 compatible lube you will never grab the wrong stuff.
When I work on a reg I follow all O2 clean steps and practices it keeps all of my tools clean my practice standard and gives me that feeling that I am doing the best I can do during a service.
As to din caps get either the vented plastic caps or if you want to use a sealing cap get one with a pushbutton gas release incase the valve gets opened accidentally.