6. Maintaining the Waterproof Function

The O-ring is a consumable product. Before each use, perform proper maintenance. Always be sure to perform the O-ring maintenance operation as described below. Neglecting this maintenance may become the cause of water leakage.

Perform at the location without sand or dust, after washing and drying your hands.

Remove the O-ring

Open the Case and remove the O-ring.

Procedure

1Insert the O-ring remover into the gap between the O-ring and O-ring groove wall.

2Bring the tip of the inserted O-ring remover below the O-ring. (Be careful not to damage the groove with the tip of the O-ring remover.)

3Lift the O-ring, pinch it with your fingertips and pull it out of the Case.

Remove any sand, dirt, etc.

After visually checking that dirt has been removed from the O-ring, check for attached sand and other foreign matter, as well as for damage and cracks by squeezing the entire circumference of the O-ring lightly with your fingertips.

Remove attached foreign matter from the O-ring groove with a clean cloth or a cotton swab. Also remove any sand or dirt attached to any part of the Case that comes into contact with the O-ring.

CAUTION:

 

• When a sharp object is used to remove the O-ring or to clean the inside of the O-ring groove, the Case and

 

the O-ring may be damaged and water leakage may be caused.

 

• When the O-ring is checked with the fingertips, take care not to stretch the O-ring.

 

• Never use alcohol, thinner, benzene or similar solvents or chemicals detergents to clean the O-ring. When

 

such chemicals are used, it is likely that the O-ring will be damaged or that its deterioration will be

 

accelerated.

En

 

Install the O-ring

Confirm that no foreign matter is attached, apply a thin coat of the accessory grease to the O-ring, and fit the O-ring into the groove. At this time, confirm that the O-ring does not stick out from the groove.

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