Sony SAL135F18Z Service Manual page 21

In case that the function lever removes to the rear ring assy (Requires of aperture diameter adjustment)
Adhesive bond (B-10): J-6082-612-A
1. Install so that align the index pin of focus hold barrel block to the index hole of the rear ring assy.
Note:
After installing, confirm that the index pin is securely inserted in the index hole.
2. Fix the rear ring assy with four screws, tightening screws in orders shown in figure.
3. Apply the adhesive bond (B-10) to the heads of four screws.
Note:
Apply the adhesive bond to the outer diameter side of head of screws and be careful for the bond not to flow in the groove
for preset ring.
Screws
(Apply the adhesive bond (B-10))
SAL135F18Z (Sonnar 1.8/135 ZA) (Sonnar T
Screws
(Apply the adhesive bond (B-10))
4
1
2
3
135mm F1.8 ZA)
*
Index hole
Rear Ring Assy
Index pin
HELP