Sony SAL28F28 Service Manual ▷ View online
HELP
SAL28F28 (2.8/28) (28mm F2.8)
HELP09
Grease (G-80): J-6082-625-A
Grease (G-85): J-6082-626-A
Apply the grease (G-80) to the gear and the grease (G-85) to the sliding surfaces of the coupler.
HELP10
Adhesive bond (B-10): J-6082-612-A
1.
Attach the seven
aperture blade
unit to the aperture unit holding ring.
Note:
Attach the
aperture blade
unit in fully opening state.
2.
Attach the
aperture operate plate unit
so that the pin of the
aperture operate plate unit
places the mid portion between A and B of
the aperture unit holding ring.
3.
Attach the
pin of aperture operate plate unit
so that it is inserted in the oblong hole near the coupler pivot of helicoid unit.
4.
Attach the aperture unit holding spring, and check the operation of the
aperture blade unit
.
Note:
When attaching the aperture unit holding spring, insert the portion B first.
5.
After the aperture diameter adjustment is completed, apply the adhesive bond (B-10) to the instruction portions of the aperture unit
holding spring.
Apply the grease(G-85)
(Sliding surfaces)
(Sliding surfaces)
Apply the grease(G-80)(gear)
B
A
A
B
Aperture Unit Holding Spring
Apply the adhesive bond(B-10)(3 areas)
Portion B
Aperture Unit Holding Ring
Pin of the aperture
operate plate unit
operate plate unit
Coupler Bearing
(Three areas in the width of 5 to 10mm)
Ver. 1.2 2007.10
The changed portions from
Ver. 1.1 are shown in blue.
Ver. 1.1 are shown in blue.
HELP
SAL28F28 (2.8/28) (28mm F2.8)
HELP11
Adhesive bond (B-40):
J-6082-614-A
1.
Align the linear guide key installation block of outside barrel with the linear guide key groove of inner barrel (any 2 locations of 3
locations).
2.
Apply the bond (B-40) to the screwed portions of 4 screws shown in the figure and tighten the screws in order of 1 to 4.
Note:
Push the linear guide key to the inner side (in the arrow direction in the figure) and hold it lightly.
Tighten the screws while making the linear guide key and inner barrel in parallel, Rotate the inner helicoid barrel and confirm
that it rotates smoothly.
HELP12
Anti-diffusion agent (A-20): J-6082-611-A
Adhesive bond (B-40):
J-6082-614-A
Grease (G-15):
J-6082-619-A
1.
Apply the grease (G-15) and the anti-diffusion agent (A-20) to the instruction portions of the inner tube.
Note:
Be careful not to get the anti-diffusion agent (A-20) smeared to the portion A.
3
4
1
2
Parallel
Parallel
Portion A
Apply the grease(G-15)
(sliding surface)
(sliding surface)
Apply the grease(G-15)
(sliding surface)
(sliding surface)
Apply the grease(G-15)
(sliding surface)
(sliding surface)
Apply the grease(G-15)
(All circumference)
(All circumference)
Apply the anti-diffusion agent(A-20)
(All circumference)
(All circumference)
Apply the anti-diffusion agent(A-20)
(All circumference)
(All circumference)
Apply the anti-diffusion agent(A-20)
(All circumference)
(All circumference)
Apply the adhesive
bond(B-40)
bond(B-40)
Straight Key
HELP
SAL28F28 (2.8/28) (28mm F2.8)
2.
Apply the grease (G-15) to the instruction portion of the middle helicoid.
3.
Apply the adhesive bond (B-40) to the stopper screw, and tighten it to the outer tube.
4.
Apply the grease (G-15) to the instruction portion of the outer tube.
5.
Assemble the outer tube, middle helicoid and inner tube, and check the operation of the helicoid (stiffness, smoothness, catching).
6.
Set the helicoid level as shown in the figure.
Note:
This level is in infinity position.
Apply the grease(G-15)
(All circumference of threads)
(All circumference of threads)
Apply the grease(G-15)
(All circumference of threads)
(All circumference of threads)
Middle Helicoid
Apply the grease(G-15)
(All circumference of threads)
(All circumference of threads)
Apply the adhesive bond(B-40)
Outer tube
Inner Tube
23.9
16.1
Outer Tube
Middle Helicoid
3-1
SAL28F28 (2.8/28) (28mm F2.8)
3. REPAIR PARTS LIST
3-1.
EXPLODED VIEWS
3-1-1. MIRROR TUBE BLOCK, FOCUS RING AND
FRONT LENS BLOCK
DISASSEMBLY
Ref. No.
Part No.
Description
1
A-1206-281-A BLOCK, TUBE, MIRROR TUBE
2
2-693-086-01 RING (G1 STOPPER)
3
2-693-099-01 TAPPING SCREW 1.7 M1.7 X4.0
4
2-693-100-01 WASHER
5
2-685-020-01 SCREW (SET SCREW A)
6
2-693-094-01 PLATE (FOCUS RING HOLDING PLATE)
7
2-693-085-01 FOCUS RING
8
2-684-120-01 SCREW M1.6 X 4.0
9
2-691-955-01 OUTER BARREL HOLD PLATE
NOTE:
•
-XX and -X mean standardized parts, so they may
have some difference from the original one.
have some difference from the original one.
•
Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
seldom required for routine service. Some delay
should be anticipated when ordering these items.
•
The mechanical parts with no reference number in
the exploded views are not supplied.
the exploded views are not supplied.
10
2-691-944-01 SHEET (HOLD SHEET)
11
2-691-943-01 HOLD SHEET TAPE
12
2-693-084-01 RING (OUTER BARREL)
13
2-683-692-01 CHIP (MOUNT INDEX)
14
A-1197-687-A UNIT(FOCUS SCALE WINDOW UNIT)
15
2-684-073-01 LENS NO. PLATE
16
2-888-237-01 FRONT DECORATION PLATE
17
2-695-852-01 LABEL, MODEL NAME
Ref. No.
Part No.
Description
1
2
3
4
3
4
5
5
6
7
8
8
9
12
13
14
(See Page 3-3.)
17
15
16
10
11
Ver. 1.2 2007.10
The changed portions from
Ver. 1.1 are shown in blue.
Ver. 1.1 are shown in blue.
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