WhentomaintaintheO-ringseal
RemovetheO-ringperiodicallyforinspection. Itisnotnecessarytoremove, cleanandre-installthe
O-ringaftereverydiveprovidedtheO-ringsarenotbecomecontaminated. Asaruleofthumbssetupthe
cameraandhousing beforeaday’sdiving. Ifthehousingisrequiredtobeopenedbetweendivesfor
changing memorycardorre-chargingbatteries,makesuretheoutsideofthehousingisthoroughly
toweleddrybeforeopeningup. Afterremoving thelidandservicing thecamera, replace thelidstraight
away, ratherthanleaving itlying around. Beforereplacing thelid, checktheo-ringsandmakesurethat
nocontaminationsuchasdust, hair, salt, sandetc. hasfallenontotheO-ringorO-ringrecess, asa
precautionwerecommendtoinspecttheO-ringeverytimethelidisopenedandtocarryoutthe
maintenanceonlyifnecessary.
Procedure
How toopenthe housing:
•Place thelidonafirmnon-sliplevelsurface.
•TheO-ringcanbeextractedusinganO-ringextractortool
(makesurethetoolasnosharpedges).Alternativelyuse
theflatsofthethumbstogentlystretchtheO-ringontwo
facesthusmaking asmall loopprotrudingafewmm. The
loopcanthenbegraspedbetweenfingerandthumb, topull
theO-ringoverthelip.
•CleantheO-ringrecess(thesquaregroove
wheretheO-ringsits)withacottonbud.
•Inspect theO-ring all thewayround its
surfacefordamagesuchas cutstears or
contamination.Thisshouldbedonevisually
and alsobyfeeling thesurfacetexture
betweenfingerand thumb.
•IFTHEO-RINGISDAMAGEDOR
SUSPECTEDOFBEINGDAMAGED, DISCARD ITIMMEDIATELY. AspareO-ringis
suppliedwithyourhousing, orareplacementO-ringcanbeorderedfrom10 BAR. IftheO-ringis
contaminatedorsuspectedofbeing contaminated,cleanitwithacottoncloththatisfree ofall
chemicalsorcontamination. Aftercleaning inspecttheO-ringagain.