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It must be performed inside of satisfied clean level.
(Satisfied clean level: Less than class 10,000 (Federal Standard 209D))

1. Decoration ring is sticked on the 1st lens frame unit.
2. Put the sheet so that the lens glass is fully covered.
3. Insert the needle to Gap (A) (between the decoration ring and lens glass), and peel off the decoration ring gently.

Remove the following 3 screws, then remove FILTER RING UNIT.
(B215 - B217: Silver 5mm)

Remove the following 3 screws, then remove 1ST LENS FRAME UNIT.
(B212 - B214: Black 4mm)

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1. Blow off the dust on the surface of the lens with a blower brush.
2. Use lens cleaning KIT(BK) (VFK1900BK), if necessary.

When tightening the screw, use a torque driver (RFKZ0456) by ordering the screwing order with specified torque described in
each step.

1. Set 1ST LENS FRAME UNIT on 2ND LENS FRAME UNIT with positioning the 3 holes of screw. 

2. Tighten the 3 screws by using the torque driver with specified torque.

 (Torque: 7 +/- 1.2N-cm)

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3. Attach FILTER RING UNIT on the Lens Body to set the mark of the two in the same direction.

4.  Tighten the 3 screws in the order as shown in the figure by using the torque driver with specified torque.

(Torque: 10 +/- 1.2N-cm)

5. Install DECO.RING by referring the Phase marks.

 (Use new one, Do not use the one which is removed.)
 After installing the DECO.RING, press it with your finger.

(Ref) The character "LUMIX G" of the DECO.RING is near the mark at the side surface of FILTER RING UNIT.

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