SAL70200G - Sony Digital Camera Service Manual (repair manual). Page 30

SAL70200G (2.8/70-200 G) (70-200mm F2.8 G)

Anti-diffusion agent (A-20):

J-6082-611-A

Grease (G-15):

J-6082-619-A

Grease (G-85):

J-6082-626-A

1.

Apply the ant-diffusion agent (A-20) to the indicated portion of zoom operation ring.

2.

Apply the grease (G-15) (G-85) to the indicated portion of zoom operation ring.

3.

Install the zoom operation ring to the mirror tube, aligning the brush hole of zoom operation ring with the red index of mirror tube

and aligning three projections of zoom operation ring with the grooves as shown in the figure below.

Apply the 
anti-diffusion
agent (A-20)
(All around)

Apply the 
anti-diffusion
agent (A-20)
(All around)

Apply the 
grease (G-85)
(All around)

Area 
(all around)
restricted to 
apply the 
anti-diffusion
agent (A-20)

Apply the 
grease (G-15)

Inside

Outside

Inside

Outside

3mm

Cut
view

Zoom Operation
Ring

Surroundings of
brush hole

Apply the anti-diffusion
agent (A-20)

Cut
view

Projections

Projection

Projection

Projection

Brush
Hole

Zoom Operation
Ring

Insert 3 projections of zoom operation ring in the 
grooves of front holding tube block at 3 locations
and rotate the zoom operation ring in the arrow
direction.

Zoom Operation
Ring

Groove

Groove

Groove

Groove

Groove

Front Holding
Tube Block

Red index of
mirror tube