•
Engage the locking screw by turning anticlockwise with supplied hex
key until screw is snug against the housing.
•
Warning - over tightening the locking screw can cause the housing
to leak. Stop once it is snug against the housing, no force is
required.
•
Seal the gap and locking screw by means of a couple of turns of
insulation tape (figure 2).
•
Replacement O-Rings should be type 48x3 N70 (Nitrile)
The O-ring checks are critically important to avoid damage. Any detritus or
damage to the O-rings may result in the housing being flooded which will
almost certainly destroy the electronics.
Sealing the gap with insulation tape is important to avoid silt/mud/sand entering and eventually
working its way under the o-ring seals.
Figure 3 - Avoid silt/mud
entering the o-rings by
sealing with insulation tape
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