Cygnus MINI ROV Operation Manual
M4-CYGMINI-TSR-M-ENG_Iss 1
Page 46 of 66
Check the O-rings whenever you remove the nosecone
Always lubricate the O-rings with Silicone grease
Do not use old or damaged O-rings
Never use the Gauge without any O-rings fitted
Spare O-rings are included in the Kit and can be ordered from
Cygnus Instruments (see page 9 for contact details).
Things to look for when inspecting the O-rings are:
Any flats or signs of wear
Any signs of pinching or trapping
Any sand or dirt in the Silicone grease
Any cuts or cracks