Sony SAL20F28 Service Manual page 20

HELP11
Anti-diffusion agent (A-20): J-6082-611-A
Adhesive bond (B-40):
Grease (G-15):
1. Apply the anti-diffusion agent (A-20) and the grease (G-15) to the instruction portions of the fixed cam ring.
2. Apply the anti-diffusion agent (A-20) and the grease (G-15) to the instruction portions of the focus cam ring.
3. Install the fixed cam ring to the focus cam ring.
4. Select the cam tube guide roller suitable for the width of the groove on the focus cam ring. Apply the adhesive bond (B-40) to the
cam ring guide roller. (Tighten the three cam tube guide rollers into three places.)
5. Check that the fixed cam ring moves smoothly.
Apply the adhesive bond
(B-40)
Cam Ring Guide Roller
SAL20F28 (2.0/28) (20mm F2.8)
J-6082-614-A
J-6082-619-A
Apply the grease(G-15)
(All circumference)
B
B
Screw Holes
Focus Cam Ring
Screw Holes
Cam Ring Unit
Fixed Cam
Ring
A
C
A
C
Focus Cam
Ring
Apply the grease(G-15)
(6 areas)
U Grooves
Screw Holes
U Grooves
Outer Barrel
Apply the anti-diffusion agent(A-20)
(All circumference)
Apply the grease(G-15)
(3 areas)
Apply the anti-diffusion agent(A-20)
(All circumference)
Apply the adhesive bond(B-40)
HELP