Sony SAL50M28 Service Manual page 31

3. Install the inner barrel assembly so that the pin-A of the 1st cam barrel block fits into the guide groove of the cam plate, and the post
of the diaphragm operation fits to the aperture linkage fork.
4. Align the holes of the focus cam ring, the cam groove of the middle barrel and the screw hole of the inner barrel assembly. Then
apply the adhesive bond (B-40) to the guide pin and install the guide roller.
The post of the iris joint ring
riveting block
Guide Roller
Apply the adhesive
bond (B-40)
Aperture Linkage Fork
HELP31
Adhesive bond (B-10):
Universal wrench:
Chip-A for Universal Wrench: J-6082-609-1
Chip-B for Universal Wrench: J-6082-609-2
1. Install the iris joint ring riveting block into the middle barrel.
2. Hold up the iris joint ring block by 5mm above.
3. Install the steel ball and retainer between the middle barrel and the iris joint ring riveting block.
4. Use the universal wrench, tighten the aperture operating ring holder almost to the end, then loosen it back by 5 to 10mm.
5. After confirming operation of the iris joint ring riveting block, apply the Adhesive bond (B-10) to the instruction part as shown in the
figure.
Aperture Operating
Ring Holder
Iris Joint Ring Riveting Block
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
First Cam Ring Linkage Plate Block
Iris (Inner) Tube Block
J-6082-612-A
J-6082-609-A
Apply the
adhesive bond (B-10)
Middle Barrel
Apply the adhesive
bond (B-40)
Guide Roller
Middle Barrel
Cam Plate
Guide Groove
Guide Roller
Apply the
adhesive bond (B-40)
Pin-A
HELP