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System Care & Maintenance
1. You can
use the Multi purpose key included periodically to make
sure the Vacuum Valve is tightly screwed into its port and was not
accidently loosened when unscrewing the Protective Cap (image
#21).
Do not over tighten the Vacuum Valve or this may damage
the Port or the Valve!
2.
The O-ring positioned between the Vacuum Valve and its protective
cap should be maintained periodically.
a.
Visually inspect the O-ring after removing the cap.
If there is any debris present, including dirt, sand, dust, hair or any
other matter, it must be cleaned to ensure a proper watertight seal.
b.
In order to clean the O-ring, you can remove it from the
Vacuum Valve.
c.
Cleaning the O-ring is a simple matter of wiping it with a damp, soft cloth to remove the foreign
matter. Be careful the cloth you use does not leave any of its own material behind as this can also
affect the effectiveness of the seal.
d.
Apply a slight layer of Fantasea Silicone Grease on the O-ring. Note that the amount of lubrication
required on the O-ring is only enough to allow it to slip into place without friction, so it does not
twist or become dislodged. More grease is not necessarily better, and in some cases might interfere
with the watertight seal of the housing.
e.
Reinstall the O-ring.
f.
Confirm that the housing watertight seal hasn't been interfered using the vacuum pre-dive check
prior to diving with the housing again.
3.
Never soak or wash the interior of the housing with water. This will cause irreparable damage to all Hybrid
Vacuum Safety System electronic components!
28
FG7X III S Housing Instruction Manual 20220601
Image #21
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