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50
MONTHLY INSPECTION AND MAINTENANCE CHECKLIST (continued)
STEPS
FREE FLOW / WATER
DUMP VALVE
MANIFOLD
HELMET SHELL AND
COMPONENTS
FINAL ASSEMBLY AND
TEST
Signature:
Comments:
Aqua Lung G3000SS Diving Helmet Operations & Maintenance Manual
PROCEDURE
•
Remove the exhaust valve cover and without
removing the free flow / water dump valve from
the helmet, remove the snap ring and flapper
valve.
•
Visually inspect flapper valve for damage or
deterioration. Clean flapper valve with soap
and water, rinse with fresh water and allow to
dry. If damaged, replace flapper valve.
•
Clean the external seating surface on the valve
body (i.e. where the flapper valve makes contact).
NOTE: Refer to the free flow / water dump valve
section of the Operations and Maintenance
Manual for guidance.
•
Without removing the manifold body from the
helmet, remove the manifold plug and clean the
manifold screen. Replace on completion.
•
Check both one-way valves for proper operation by
sucking on the umbilical and scuba hose adapters.
NOTE: Refer to the manifold section of the
Operations and Maintenance Manual for
guidance.
•
Visually inspect the helmet with the above listed
components removed from the helmet.
•
Verify condition and inspect for damage to the
helmet shell.
•
Check all o-ring placement surfaces to ensure
proper seal.
•
Wash the shell with soap and water, rinse with
fresh water and dry with air and towels. Blow
water out of inner airway using compressed air.
•
Follow procedures in the Operations and Maintenance
Manual to assemble helmet to original condition.
•
Pressurize the helmet and perform a functional
test and leak check.
Date:
INITIALS
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