O-rings must be clean of all contamination – especially hairs
and grit – before you close the POD. Any dirt on the O-rings
may cause water to leak into the POD housing, causing
damage to the electronics and loss of data.
Whenever you open the POD, follow the guidelines below:
▪
Place the POD housing on a clean hard surface.
▪
Look to see if there is any water between the outer and inner O-rings
when the POD is opened.
▪
If an O-ring has picked up particles, remove it using a blunt tool like the
end of a small spoon.
▪
Carefully clean all surfaces.
▪
If you are in any doubt about the state of the O-rings, replace them with
new ones. A spare set of O-rings is supplied with new PODs.
Replacements are available from Chelonia Limited.
Transducer housing
Bio-fouling or contamination with grease or paint can be removed using
the kind of abrasive pads and preparations used for cleaning cooking
utensils.
Mooring lines
Inspect the mooring lines after every deployment for signs of wear –
mainly abrasion against rough surfaces.
Silica Gel
Silica gel packs should be inserted into the POD to absorb any water
vapour and keep the electronics dry.
When you remove a silica gel pack after opening a POD, put it
immediately into an airtight container.
When dry, silica gel is yellow/orange in colour. The crystals turn green
when damp.
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