Sony MPK-TRV7 manual Check that there are no scratches or cracks, Grease the O-ring

Note on the O-ring

The O-ring assures the waterproof function of the marine pack. To maintain waterproof integrity, use it correctly. Incorrect handling may cause water to leak in.

O-ring

Check that there are no scratches or cracks

Check that there are no scratches or cracks on the O-ring as they may allow water to leak in. If there are scratches or cracks, replace the damaged O-ring with a new one. Do not remove the O-ring from the groove with a metal tool or a tool with a sharp point.

Crack Scratches

Remove any dust, sand or hair from the O-ring.

Make sure there is no dust, sand or hair on the O-ring, in the groove, or on the surface of the marine pack where the O-ring touches. If there is, clean them completely, or the O-ring and the surface of the marine pack may be damaged and water may leak in.

Grease the O-ring

Check that there are no cracks or dust on the O-ring, then coat it slightly with the supplied grease using your finger. They will prevent wear. While applying the grease, recheck for cracks or dust.

Never use cloth or paper to apply grease because the fibers may cling.

Do not use any type of grease other than the supplied one, or it may damage the O-ring. If you run out of silicone grease (2-115-921-01) you can purchase it from your nearest Sony Service Center.

Do not twist the O-ring

Put the O-ring in the groove evenly. Never twist it.

Do not pinch the O-ring with the marine pack

When jointing the front and rear shells, take care not to pinch the O-ring between the front and rear shells. If this happens, not only will the O-ring be damaged, but water may leak in.

Useful life of the O-ring

Depending upon the maintenance and the length of use, we recommend changing the O-ring every one or two years.

The O-ring (3-977-362-01) can be replaced at your nearest Sony Service Center.

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