M4-CYGMINI-TSR-M-ENG_Iss 1
Cygnus MINI ROV Operation Manual
Page 43 of 66
9.
O-Ring Seals
Correct fitting of O-ring seals
There is one O-ring seal (‘A’) fitted to the nosecone and one O-ring
seal (‘B’) fitted to the Gauge body.
Nosecone O-ring Location
Gauge (Nosecone-End) O-ring
Location
Cover both O-Rings with a light coating of Silicone grease, then fit
as shown in the diagram above, where:
‘A’ is fitted into the O-Ring groove in the nosecone housing
‘B’ is to be fitted in the O-Ring groove at the front of the
instrument
It is important to ensure that the O-Rings are properly located.
There is no need to stretch or force the O-Rings into their
locations. All parts are designed to ensure a good water-tight fit:
Incorrect fitting will result in the instrument leaking.
Be careful
not
to fit the ‘A’ O-ring in the wrong position, this
is a common mistake that will cause incorrect gauge operation
B
A
