Sony SAL300F28G Service Manual ▷ View online
HELP
SAL300F28G (2.8/300 G) (300mm F2.8 G)
HELP35
Affix the magnetic scale to the indicated position of focus cam ring.
Note:
Do not approach the magnetized tweezers and screwdriver to the magnetic scale.
Focus Cam Ring
Focus Cam Ring
Approx. 5mm
Spring Support Pin
Spring Support Pin
Magnetic
Scale
Scale
Magnetic
Scale
Scale
Installing location of MR sensor
base plate block.
base plate block.
HELP
SAL300F28G (2.8/300 G) (300mm F2.8 G)
Apply the adhesive bond (B-40)
(Screw hole)
(Screw hole)
Apply the adhesive
bond (B-40)
bond (B-40)
Apply the
adhesive
bond (B-40)
adhesive
bond (B-40)
Outer Tube
Bearing
Bearing
Cut portion
Cut portion
Bearing
Outer Tube
Hole A
Hole A
Washer
Washer
Bearing
Bearing
Cam Ring Hold Pin
Focus Cam Ring
Spring Support Pin
Rotate the focus
cam ring
cam ring
Cam Ring Hold Pin
Grooves
Grooves
Focus Cam
Ring
Ring
HELP36
Adhesive bond (B-40): J-6082-614-A
1.
Apply adhesive bond (B-40) to the cam ring hold pin installation hole (screw hole) at six locations.
2.
Align the cut portion of outer tube with the cut portion of focus cam ring as shown below.
Install the focus cam ring, engaging the bearing of outer tube with the groove of focus cam ring at six locations.
3.
Install the cam ring hold pin, bearing and washer through the hole A of focus cam ring at three locations.
4.
Rotate the focus cam ring in the arrow direction and install the cam ring hold pin, bearing and washer.
5.
Apply two drops of adhesive bond (B-40) to the tips of three spring support pins and tighten three spring support pins.
HELP
SAL300F28G (2.8/300 G) (300mm F2.8 G)
HELP37
Anti-diffusion agent (A-20): J-6082-611-A
Adhesive bond (B-10):
J-6082-612-A
Adhesive bond (B-40):
J-6082-614-A
Adhesive bond (LOCTITE 460)
Note:
Use the adhesive bond (LOCTITE 460) or the equivalent.
Do not use the instant glue which becomes white after dried.
1.
Apply the anti-diffusion agent (A-20) to three indicated locations of dummy frame.
2.
Install the dummy frame to the 3rd lens block.
3.
Insert three spring hooks straightly and float them a little. Then, apply the adhesive bond (LOCTITE 460) to three indicated portions.
4.
Remove the dummy frame once and insert the gap reduce springs.
5.
Apply the adhesive bond (B-10) to the indicated portions of gap reduce springs and install the dummy frame.
Apply the anti-diffusion agent
(A-20)
(A-20)
Spring Hook
Spring Hook
3rd Lens Block
3rd Lens Block
3rd Lens Block
3rd Lens Block
Gap Reduce Spring
Gap Reduce Spring
Gap Reduce Spring
Dummy Frame
Dummy Frame
Dummy Frame
Dummy Frame
Spring Hook
3rd Lens Block
Dummy Frame
Apply the adhesive bond
(B-10)
(B-10)
Apply the adhesive bond
(LOCTITE 460)
(LOCTITE 460)
HELP
SAL300F28G (2.8/300 G) (300mm F2.8 G)
6.
Apply the adhesive bond (B-40) to screw holes of 3rd lens block and dummy frame at six locations.
7.
Insert the 3rd lens block and dummy frame in the outer tube and fix them with the focus guide pin and bearing.
Note:
Two types (A/B) of combination of pin, bearing and washer are provided.
Confirm that it moves smoothly by its own weight.
8.
Apply two drops of adhesive bond (B-40) to the tips of two stopper pins and tighten them.
B
B
B
A
A
A
A
A
Apply the adhesive
bond (B-40)
bond (B-40)
Stopper Pin
Stopper Roller
Stopper Roller
3rd Lens Block
3rd Lens Block
Dummy Frame
Dummy Frame
Focus Guide Pin
Focus Guide Pin
Focus Guide Pin
Focus Guide Pin
Bearing
Bearing
Bearing
Bearing Spacer
Bearing Spacer
Stopper Pin
Washer (Silver)
Washer (Silver)
Washer (Gold)
Washer (Gold)
Bearing
Bearing
Bearing
Apply the adhesive
bond (B-40)
bond (B-40)
Apply the adhesive bond (B-40)
(Screw hole)
(Screw hole)
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