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11.4.1. Method of cleaning inside of lens
11.4.1.1. Disassembly procedure
Important:
It must be performed inside of satisfied clean level.
(Satisfied clean level: Less than class 10,000 (Federal
Standard 209D))
1. Removal of the Decoration Ring
*.Decoration ring is sticked on the 1st lens frame unit.
*.Put the sheet so that the lens glass is fully covered.
*.Insert the needle to Gap “A” (between the Decoration
ring and Lens glass), and peel off the Decoration ring
gently.
2. Removal of the 1st Lens frame unit
*.Remove 3 screws (A).
*. Blow off the dust on the surface of the lens with a blower
brush.
*. Use lens cleaning KIT (BK)(VFK1900BK), if necessary.
11.4.1.2. Assembly procedure
IMPORTANT NOTICE:
*.When tightening the screw, use a Torque driver
(RFKZ0456) by ordering the screwing order with specified
torque descrived in each step.
1. Installation of the 1st Lens frame unit
*Tighten the 3 screws (A) with specified torgue in
numerical order.
2. Installation of the Decoration ring
*Install the Decoration ring by referring the phase mark.
(Use new one, Do not use the one which is removed.)
* After installing the Decoration ring, press the decoration ring
with your finger.
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