19
1.
Soak the housing system in fresh water after each salt water use, during which
all control buttons/knobs should be operated a few times to avoid the
accumulation of salt residue; wipe the housing with a towel before opening.
2.
Carefully press the port locking safety button and the two housing lock safety
buttons a few times to avoid the accumulation of salt residue. Hold the port
lock in "locked" position while pressing the safety buttons.
3.
After each day of diving, it is advisable to have the main O-ring in the front part
of the housing removed from its groove with the O-ring remover and
inspected for damage. Also check that the O-ring retains its original circular
shape; never stretch the O-ring excessively or remove it with a sharp object.
The O-ring groove should be cleaned to ensure it is free from any salt deposit
or foreign material; lightly coat the O-ring with the provided lubricant before
reinstalling it in the groove. A damaged O-ring should be discarded
immediately and replaced only with one that is provided by NAUTICAM.
4.
Replace the main O-ring annually.
5.
It is recommended that you ship the housing to our distributor for a complete
overhaul every year or after every 200 dives.
Summary of Contents for NA-A7II
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