SAL70200G2 - Sony Digital Camera Service Manual (repair manual). Page 26

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

Selection of 4th guide roller (4th lens barrel)
1.  Install the 4th guide roller of which diameter is smaller by 1-size than the dimension described on the outer tube and confirm that the 

4th lens barrel moves smoothly (operation feeling) without play.

4th Guide 
Roller

Outer Tube

4th cam groove

4th Guide 
Roller

4th Lens Block 
Guide Pin

4th Lens Block 
Guide Pin

Location of description 
of 4th cam groove 
dimension

 

In case of  OK :  The selection is finished.

 

In case of  NG :  Proceed to step 2.

2.  Re-assemble the 4th lens barrel at the position where it is rotated 180º with respect to the outer tube in the arrow direction and confirm 

the operation feeling.

4th Guide 
Roller 

4th Guide 
Roller

4th Lens Block 
Guide Pin

4th Lens Block 
Guide Pin

Outer Tube

4th Lens Barrel

 

In case of  OK :  The selection is finished.

 

In case of  NG :  If the operation feeling is better than in step 1, proceed to step 3.

 

In case of  NG :   If the operation feeling is worse than in step 1, turn back the 4th lens barrel 180º with respect to the outer tube and 

proceed to step 3.

3.  Select the 4th guide roller of which diameter is smaller than the described dimension by 2 size.

Adhesive bond (B-40): J-6082-614-A
Adhesive bond (LOCTITE 460)
Note:

    Use the adhesive bond (LOCTITE 460) or the equivalent

 

Do not use the instant glue that becomes white when dried.

Grease (G-85): J-6082-626-A

1.  Install the rear light shield barrel to the mount and tighten it with three screws to which tips two drops of adhesive bond (B-40) are 

applied.

Apply the adhesive 
bond (B-40)

Mount

Rear Light 
Shield Barrel

2.  Apply two drops of adhesive bond (LOCTITE 460) to the tip of stopper screw and tighten the stopper screw.
3.  Apply the grease (G-85) to the indicated portion of mount.
4.  Install the lens mount block to the outside barrel, apply two drops of adhesive bond (LOCTITE 460) to the tips of four screws and 

tighten the screws.
Note:

  Fix the flexible BL PWB and lead wires to the grooves of outside barrel at two locations, threading through the outer diameter. And fix them 

with two polyester tapes (black) 10mm.

Apply the adhesive 
bond (B-40)

Apply the adhesive 
bond (B-40)

Apply the adhesive 
bond (LOCTITE 460)

Apply the 
grease (G-85)

Back side of mounting 
claw 3 locations

Stopper Screw

Outside Barrel

Polyester Tape 
(Black) 10mm 
(10X50mm)

Polyester Tape 
(Black) 10mm
(10X50mm)

Lead wires

Flexible BL 
PWB 

Groove