Sony SAL50M28 Service Manual ▷ View online
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
Apply the
adhesive bond (B-10)
adhesive bond (B-10)
Middle Barrel
Iris Joint Ring Riveting Block
Aperture Operating
Ring Holder
Ring Holder
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.
HELP31
Adhesive bond (B-10):
J-6082-612-A
Universal wrench:
J-6082-609-A
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.
Guide Roller
Guide Roller
Guide Roller
Apply the
adhesive bond (B-40)
adhesive bond (B-40)
Apply the adhesive
bond (B-40)
bond (B-40)
Apply the adhesive
bond (B-40)
bond (B-40)
Middle Barrel
Pin-A
First Cam Ring Linkage Plate Block
The post of the iris joint ring
riveting block
riveting block
Iris (Inner) Tube Block
Aperture Linkage Fork
Cam Plate
Guide Groove
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP32
Anti-diffusion agent (A-20): J-6082-611-A
Apply the anti-diffusion agent (A-20) to the shaded area. Avoid applying anti-diffusion agent (A-20) to the inside wall of the barrel.
HELP33
Anti-diffusion agent (A-20): J-6082-611-A
Grease (G-115):
J-6082-627-A
Grease (G-15):
J-6082-619-A
Adhesive bond (B-40):
J-6082-614-A
1.
Apply the anti-diffusion agent (A-20) to the instruction part of the middle barrel as shown in the figure.
2.
Apply the grease (G-115) to the guide groove of the middle barrel at three points.
3.
Apply the grease (G-15) to the groove of the cam plate, apply the Adhesive bond (B-40) to the two screws and install the cam plate.
A - A
A
A
Apply the anti-diffusion agent (A-20)
Apply the anti-diffusion agent
(A-20) (All circumference)
(A-20) (All circumference)
Apply the adhesive
bond (B-40)
bond (B-40)
Apply the grease (G-115)
(Guide groove at three points and groove portion)
(Guide groove at three points and groove portion)
Apply the grease (G-15)
(Guide groove portion)
(Guide groove portion)
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP34
Anti-diffusion agent (A-20): J-6082-611-A
Grease (G-15):
J-6082-619-A
1.
Apply the anti-diffusion agent (A-20) entirely to the shaded area of the inner barrel below the A line as shown in the figure.
2.
Apply the grease (G-15) to the guide groove of the first cam ring barrel, the cam groove of the aperture inner barrel, and area B as
shown in the figure.
HELP35
Oil (O-20):
J-6082-610-A
Grease (G-35):
J-6082-621-A
Anti-diffusion agent (A-20): J-6082-611-A
Adhesive bond (B-40):
J-6082-614-A
1.
Apply the oil (O-20) to the sub spring.
2.
Apply the grease (G-35) to the instruction part of the aperture linkage fork.
3.
Apply the anti-diffusion agent (A-20) entirely to the aperture linkage fork.
4.
Apply the adhesive bond (B-40) to the two screws and install the aperture linkage fork.
Apply the
anti-diffusion
agent
(A-20) (All circumference)
anti-diffusion
agent
(A-20) (All circumference)
Apply the oil (O-20)
Apply the grease (G-35)
Apply the adhesive
bond (B-40)
bond (B-40)
Apply the
adhesive
bond (B-40)
adhesive
bond (B-40)
Apply the anti-diffusion agent
(A-20) (All circumference)
(A-20) (All circumference)
Apply the grease (G-15) (Guide groove, cam groove and area B)
Inner Barrel
Guide
groove
groove
Cam groove
1st Cam Barrel
A
B
First Cam Ring
Aperture Inner Barrel
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP36
Adhesive bond (B-10): J-6082-612-A
1.
Install the aperture blades one by one, and put the first blade on the 7th one finally.
2.
Apply the adhesive bond (B-10) to three points for 5 to 10mm of width after completing aperture diameter adjustment.
Apply the adhesive bond (B-10)
(Three points for 5-10 mm)
(Three points for 5-10 mm)
Aperture Blade
Unit (7)
Unit (7)
Aperture Hold
Ring
Ring
7
1
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