Sony MPK-DVF7 O-ring Maintenance Manual page 9

3
Inspect the O-ring groove.
Carefully remove any grains of sand or hardened salt that get into the
groove.
4
Inspect the contact surface on the other side of the O-ring in
the same way.
5
Apply the special grease supplied to the O-ring.
• Use your fingertips to thinly coat the entire surface of the O-ring with a
small drop of grease, as illustrated above.
• Make sure there is always a thin coating of grease on the surface of the
O-ring. Grease protects the O-ring and prevents wear.
Grease
Only use the grease supplied. Other kinds of grease will damage the O-
ring and cause water leakage.
6
Fit the O-ring into the groove of the Marine Pack.
Fit the O-ring evenly into the groove paying attention to the following
points:
– Check for dirt on the O-ring.
– Check the O-ring is not twisted or protruding.
– Do not pull the O-ring.
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3-GB