diy maintenance

Just bought a scubapro M5 and missing schematics. Am trying to understand how this guy is built, and above all trying to understand what's the "cracking effort resistence bolt" (the black plastic piece on the right of the barrel with a knot written dive clockwise) is supposed to be attached to...

Hi all, I have an apeks xtx yoke 1st stage that was recently damaged after getting struck by another cylinder on a boat while attached to my own cylinder. The A-clamp frame is now warped, which prevents proper pressurisation and so is unusable. The 1st stage itself is fine, but has anyone ever...

$20 Manometer $11 5” H2O Mano tube https://a.co/d/4H2Y4Ck $4 3/4 X 3/4 X 1/2 threaded T https://a.co/d/8AEsP7U (fits snug right into any reg mouthpiece, no need to cut the zip tie!) $3 1/4-in barb x 1/2-in F threaded Fitting...