Sony MPK-DVF7 User Manual download pdf (Page 23)

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Handling the O-ring

Set the O-ring in place

Avoid setting the O-ring in dusty or sandy locations.

1 Remove the O-ring.

Do not use pointed or metal objects to remove the O-ring. These objects might scratch or

damage the marine pack groove or O-ring.

2 Inspect the O-ring.

•Fully check the following, and wipe off with a soft cloth or tissue paper.

– Check for any dirt, grains of sand, hair, dust, salt, thread scraps, etc.

– Check for any old grease.

• Lightly run your fingertip around the O-ring to check for any unapparent dirt.

• After wiping the O-ring, take care to prevent any cloth or tissue paper fibres from

remaining on the O-ring.

• Check the O-ring for cracking, skew, distortion, fine splitting, scratches,

sand-biting, etc. Replace cracked or scratched O-rings.

3 Inspect the O-ring groove.

Grains of sand or hardened salt sometimes get into the groove. Carefully remove them by

blowing with an air spray or by wiping them with a cotton wool bud. Prevent fibre scraps from

the cotton wool bud from entering inside.

4 Also, inspect the contacting surface on the other side of the O-ring in the same way.

v Dirt v Sand v Hair v Dust v Salt v

Thread scraps

v Cracking v Skew v Distortion v Fine Splitting v Scratches v Sand-biting

continued

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Sony MPK-DVF7 User Manual Page 23