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Twinset Manifolds. KIT SET UP BEFORE DIVING. 1 st stage. regs. Right post. Left post. isolator. knob. knob. Gas always flows. cylinder. cylinder. GASES OFF. NORMAL DIVING. Breathing off right hand regulator. 1 st stage. regs. Right post. Left post. Isolator open. Knob open.
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KIT SET UP BEFORE DIVING 1st stage regs Right post Left post isolator knob knob Gas always flows cylinder cylinder GASES OFF
NORMAL DIVING Breathing off right hand regulator 1st stage regs Right post Left post Isolator open Knob open Knob open cylinder cylinder
RIGHT REG STARTS TO FREE FLOW 1st stage regs Right post Left post Isolator open Knob open Knob open cylinder cylinder
RIGHT REG FREE FLOW 1st stage regs Right post Left post Isolator open Knob open Knob CLOSED cylinder cylinder SWITCH TO LEFT REG
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator open Knob open Knob open cylinder cylinder
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator CLOSED Knob open Knob open cylinder cylinder CHECK SPG ON LEFT FIRST STAGE If it decreases rapidly the leak is somewhere on the left side If it remains constant the leak is on the right side
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator CLOSED Knob open Knob open cylinder cylinder CHECK SPG ON LEFT FIRST STAGE It falls rapidly
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator CLOSED Knob CLOSED Knob open cylinder cylinder TURN LEFT OFF
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator CLOSED Knob CLOSED Knob open cylinder cylinder LEAK STOPS
UNKNOWN GAS RELEASE Breathing off right hand regulator Leak must have been 1st stage on left side regs Right post Left post Isolator OPEN Knob CLOSED Knob open cylinder cylinder
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator CLOSED Knob CLOSED Knob open Leak must be left side of isolator valve on where pillar valve screws into cylinder cylinder cylinder LEFT CYLINDER WILL EMPTY
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator open Knob open Knob open cylinder cylinder
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator CLOSED Knob open Knob open cylinder cylinder CHECK SPG ON LEFT FIRST STAGE If it decreases rapidly the leak is somewhere on the left side If it remains constant the leak is on the right side
UNKNOWN GAS RELEASE Breathing off right hand regulator 1st stage regs Right post Left post Isolator CLOSED Knob open Knob open cylinder cylinder CHECK SPG ON LEFT FIRST STAGE No movement
UNKNOWN GAS RELEASE Switch to left hand regulator regs Right post Left post Isolator CLOSED Knob open Knob CLOSED cylinder cylinder Breathing off LEFT cylinder only
UNKNOWN GAS RELEASE Breathe off left hand regulator regs Right post Left post Isolator OPEN Knob open Knob CLOSED cylinder cylinder Breathing off BOTH cylinders
UNKNOWN GAS RELEASE Leak must have been 1st stage on right side Breathe off left hand regulator regs Right post Left post Isolator OPEN Knob open Knob CLOSED cylinder cylinder Breathing off BOTH cylinders
KIT SET UP BEFORE DIVING 1st stage regs Right post Left post isolator knob knob Gas always flows cylinder cylinder GASES OFF
1st stage regs Right post Left post isolator knob knob cylinder cylinder GASES OFF
1st stage regs Right post Left post Isolator OFF knob knob cylinder cylinder GASES OFF YOU’VE SAVED THE LEFT RIGHT CYLINDER WILL EMPTY
WORSE STILL – YOU BREAK THE MIDDLE Somebody carries the twinset by the manifold You bump the manifold inside a wreck
1st stage regs Right post Left post isolator knob knob Doesn’t matter if isolator valve is OPEN or SHUT cylinder cylinder YOU LOSE ALL GASES FROM BOTH CYLINDERS
RESULT ? Somebody carries the twinset by the manifold THEY DIE !! You bump the manifold inside a wreck YOU DIE !!!!