SAL70200G2 - Sony Digital Camera Service Manual (repair manual). Page 13

2-10

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

1.  Affix the spring protection sheet to the G19 holder ring, starting from the cut groove for aperture connect lever in the counterclockwise 

direction. Place the center of sheet in the hole for the outer tube block fixing screw.
Note:

  Do not protrude the spring protection sheet on the slant surface at the inner side of G19 holder ring.

 

As the spring protection sheet is rectangular in shape, affix it while deforming a little by little.

2.  Thread the aperture connect lever of outer barrel block in the hole of connect barrel unit.
3.  Link the aperture connect lever to the pin of aperture operation plate unit and insert four screws in the holes.

  It is not necessary to tighten the screws at this moment.

4.  Lift up the outer tube block and lean it a little. Insert the back adjustment washer (0.5mm) in the gap between outer barrel block and 5 

group ball frame block (2 locations of both sides).
Note:

  For the number of back adjustment washer, refer to  5-4-3 Flange-back (f F) adjustment .

5.  Rotate clockwise the outer tube block to eliminate a play, viewing from the mount side and tighten firmly four screws.

Outer Tube Block

Outer Tube Block

Aperture Connect 
Lever

Spring Protection 
Sheet

Cut groove for 
aperture connect lever

Cut groove for 
aperture connect lever

Four screws inserted 
in the screw hole

Back Adjustment 
Washer

5 Group Ball 
Frame Block

5 Group Ball 
Frame Block

Lean the outer tube block 
and insert the back adjustment washer 
as shown in the figure.

Rotate clockwise to eliminate a play and 
tighten four screws.

Mount

Pin of aperture 
operation plate 
unit

Installation screw hole 
of outer tube block

Spring Protection 
Sheet

G19 Holder 
Ring

Adhesive bond (B-10): J-6082-612-A

1.  Overlay the aperture blade unit clockwise.
2.  Open the aperture operate plate unit and install the aperture hold ring so that the aperture blade unit protrudes a little from the hole.
3.  Install nine screws tentatively.

Overlay the aperture 
blade unit clockwise

Install the aperture hold ring. 
(The aperture blade unit 
protrudes a little from the hole)

Set the aperture operate 
plate unit to the open state

Aperture Hold Ring

Screw 
(9 pieces)

4. After 

performing 5-2-2. Aperture Diameter Adjustment , tighten firmly nine screws and apply the adhesive bond (B-10) as shown 

below.

5.  Apply the adhesive bond (B-10) to the portion A (head of screw) at three locations (at an interval of every two screws).
6.  Apply the adhesive bond (B-10) portion B (protruded portion at the tip of screw) (9 locations).

Apply the adhesive bond (B-10) 
Portion A (head of screw) (3 locations)
(at an interval of every two screws)

Apply the adhesive bond (B-10) 
Portion B (protruded at the tip of screw)
(9 locations)