SAL70200G2 - Sony Digital Camera Service Manual (repair manual). Page 14

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SAL70200G2 (2.8/70-200 G SSM Ⅱ) (70-200mm F2.8 G SSM II)

1.  Install the aperture operate plate holder, facing the burr (by press) side to the 1st lens side.
2.  Usually, use two pieces of aperture blade spacer B (t=0.3mm).

  Use two pieces of aperture blade spacer A (t=0.2mm) only when the defect occurs in the iris dynamic characteristics.

Aperture Operate Plate Holder

Use the 
Aperture Blade Spacer A (t=0.2mm)
or
Aperture Blade Spacer B (t=0.3mm)

burr side

1st lens side

1.  Install the zoom rubber ring to the zoom operation ring.
2.  Fold up the 1st lens side of zoom rubber ring.
3.  Affix the SW flexible setting tape not to overlap on the brush cover and tapes.
4.  Peel the protection sheet off the adhesive side of SW flexible setting tape and return the zoom rubber ring to the original position.

Brush cover and tapes

Zoom Operation 
Ring

SW flexible setting tape 
(Affix it not to overlap on 
the brush cover and tapes)

Install the zoom rubber ring and 
fold it up as shown in the figure

1.  Thread the projection of zoom operation ring through the hole of brush (zoom).
2.  Set the zoom to the TELE end (200).
3.  Adjust the position of brush (zoom) so that the curved portion (contact with the flexible board) of brush (zoom) comes to the circle 

portion (Part R) of zoom encoder flexible.
Note:

  In case of finished lens, perform  5-9-1. Zoom Brush Position Adjustment .

4.  Cut a polyester tape (black) 10mm in the specified size and fix the brush (zoom) with the polyester tape (black) 10mm.
5.  Set the brush cover to cover the polyester tape (black) 10mm fixing the brush (zoom).
6.  Cut a polyester tape (black) 10mm in the specified size and affix the polyester tape (black) 10mm at right and left sides of brush cover 

to fix it.

Set the TELE end (200)

Part R of brush (zoom)

Zoom Encoder Flexible

Zoom Operation Ring

Brush 
(Zoom)

Brush 
(Zoom)

Brush Cover

Brush Cover

Polyester Tape (Black) 
10mm (10X40mm)

Polyester Tape (Black) 
10mm (10X40mm)

Polyester Tape (Black) 
10mm (10X40mm)

Projection of 
zoom operation ring