SAL300F28G2 - Sony Digital Camera Service Manual (repair manual). Page 10

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SAL300F28G2 (2.8/300 G SSM 

Ⅱ) (300mm F2.8 G SSM Ⅱ)

Adhesive bond (LOCTITE 460)

  Use the adhesive bond (LOCTITE 460) or the equivalent.

 

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

Apply the adhesive bond (LOCTITE 460) to the indicated portion of mirror tube (B) block and affix the focus hold button base.

Apply the adhesive bond
(LOCTITE 460)

Mirror Tube (B) Block

Focus Hold Button

To make it easier to affix,
affix it with adhesive tape tentatively.

Focus Hold
Button Base

Focus Hold Button

Focus Hold
Button Base

Adhesive tape

Install the front lens barrel rubber to the front lens barrel A.

  Insert securely the front lens barrel rubber at the indicated portion.

Front Lens Barrel Rubber

Front Lens Barrel Rubber

Front Lens
Barrel A

Filter
Holder

Insert securely
the front lens
barrel rubber
not to protrude.

Cut
view

Cut
view

Adhesive bond (B-40): J-6082-614-A
2nd tightening JIG (300F28G): J-6082-697-A

1.  Install 1st lens block and 2nd lens block.

 Install the 2nd lens block using the 2nd tightening JIG (300F28G).

2.  Insert the rubber sheet A in the groove of front lens barrel. And then, install them to the mirror tube (B) block.
3.  Align the screw holes of front lens barrel A with the screw holes of mirror tube (B) block. Apply two drops of adhesive bond (B-40) to 

the tips of six screws and tighten them with six screws.

Mirror Tube (B) Block

2nd Lens Block

2nd Lens Block

2nd tightening JIG
(300F28G)

1st Lens Block

Front Lens Barrel A,
Filter,
Filter Holder,
Rubber Sheet A

Front Lens Barrel A,
Filter,
Filter Holder

Groove

Rubber Sheet A

Apply the bond
(B-40)

Apply the bond
(B-40)