APPENDIX J
FREE FLOW PLUG INSERT KIT (P/N 400112)
INSTALLATION INSTRUCTIONS
This procedure is to be performed only by personnel who have received appropriate training.
If you do not completely understand all of the procedure, contact Aqua Lung to speak directly
with a Technical Advisor before proceeding any further.
Step 1: Remove nose clearing
device (NCD) knob (64).
Step 2: Remove NCD (62).
Step 3: Remove oral-nasal mask
(37) .
Step 4: Remove microphone (30).
CAUTION:
When the helmet is used in free flow mode the free flow valve must be
open and properly adjusted at all times throughout the dive in order to maintain
constant air flow. The helmet should be fitted with a double exhaust when used
for contaminated water diving.
KIT CONTENTS
Part #
Item Description
Qty per Kit
N/A
Plug, Insert, Free Flow
1
400046
O-ring, Exhaust (Large)
1
17306
Hook Fastener, 2.0 in Blk, Pressure Sensitive
1
17308
Loop Fastener, 1.0 in Blk, Pressure Sensitive
1
400009
Screw, Exhaust Valve Cover (5 pk)
1
400011
Cover, Regulator
1
Step-by-Step Assembly Instructions
NOTE:
Refer to the separate Apeks Technical Manual:
GX300 REGULATOR FOR THE AQUA LUNG G3000SS
DIVING HELMET - MAINTENANCE MANUAL for guid-
ance on removal of the GX300 regulator.
Step 5: Remove the second stage regulator.
70
Aqua Lung G3000SS Diving Helmet Operations & Maintenance Manual
