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SAL30M28 (DT 2.8/30 MACRO SAM) (DT 30mm F2.8 Macro SAM)

2-6

1.  Set the main unit assembly to the infinity end and insert counterclockwise the helicoids male as far as it goes.
2.  Align the round mark on the filter screw frame with the concave at the side of the round mark on the outer tube.
3.  Install the lens unit assy to the main unit assy, aligning the driving wheel pin with the cut portion (working part of driving 

wheel pin).

  Insert three projections of front group (rear) group assy in three grooves of vertical group cylinder.

  Insert three projections of outer tube in three grooves of focus ring assy.

4.  Tighten with three screws.

  Install screws in the center of oblong holes of filter screw frame.

Screw

Oblong hole of 
Filter Screw Frame

Round mark
(Outer Tube)

Concave

Round mark
(Filter Screw Frame)

Projection
(Outer Tube)

Projection
(Front Group (Rear) Group Assy)

Helicoid Male

Lens Unit Assy

Main Unit Assy

Driving wheel pin

Groove
(Focus Ring Assy)

Cut portion
(Working part of driving wheel pin)

Vartical 
groove 
Cylinder

Vertical groove

Grease (G-116): J-6082-628-A

1.  Apply the grease (G-116) to the indicated portion of filter screw frame.
2.  Install the filter screw frame to the front group (rear) group assy and fix it with three screws.

  Align the bulge of front group (rear) group assy so that the bulge comes inscription (Reverse side) of filter screw frame.

Front Group 
(Rear) Group Assy

Filter Screw Frame

Bulge

Apply the Grease (G-116)

Inscription 
(Reverse side)

3.  Assemble the filter screw frame into the outer tube with rotating counterclockwise the filter screw frame.

  Insert, aligning the round mark on the outer tube with the round mark on the filter screw frame.

  Rotate clockwise the filter screw frame until it clicks and engage the filter screw frame with the outer tube.

Filter Scerw Frame

Filter Scerw Frame

Note 2

Helicoid

Outer Tube

Outer Tube

Round mark

Round mark

SAL30M28 (DT 2.8/30 MACRO SAM) (DT 30mm F2.8 Macro SAM)

2-7

Grease (G-36): J-6082-667-A

1.  Apply the grease (G-36) to the front group (rear) group assy.

Front Group 
(Rear) Group Assy

Front Group 
(Rear) Group Assy

 Apply the grease (G-36)

 Apply the grease (G-36)

 Apply the grease (G-36)

 Apply the grease (G-36)

Grease (G-36): J-6082-667-A

1.  Apply the grease (G-36) to the indicated portions of helicoid male and helicoid female.

Apply the grease (G-36)

Apply the grease (G-36)

Apply the grease (G-36)

Focus Ring Assy
(Cross section)

Helicoid Female
(Cross section)

Helicoid Male

2.  Set the focus ring assy to the infinity (

∞

) end.

3.  Assemble the helicoid male into the helicoid female with rotating counterclockwise the helicoid male.

  Insert the helicoid male into the helicoid female so that aligning the index pin of middle lens barrel assy with the in-

scription (PC) on the helicoid male.

  Rotate clockwise the helicoid male until it clicks and engage the helicoid female with the helicoid male.

  When assembling counterclockwise the helicoid male as far as it goes, confirm that the round concave of helicoid male 

and the vertical groove of focus ring assy locate as shown in the illustration.

Note 2

Note 3

Middle Lens 
Barrel Assy

Helicoid Male

Helicoid Male

Inscription
(PC)

Focus Ring Assy

Helicoid Female

Helicoid Female

Index pin

Vertical groove of Focus Ring Assy

Round concave of Helicoid Male

SAL30M28 (DT 2.8/30 MACRO SAM) (DT 30mm F2.8 Macro SAM)

2-8

Grease (G-36): J-6082-667-A
Grease (G-116): J-6082-628-A

1.  Apply the grease (G-36) to the shaded portion of vertical groove cylinder.
2.  Apply the grease (G-36) to the concaves of vertical grooves of vertical groove cylinder. (three locations)

Vertical Groove Cylinder

Apply the grease (G-36)
(Shaded area of outer
circumference )

Apply the grease (G-36)
(Concave of vertical groove)

Vertical Groove Cylinder
(Inner side)

3.  Apply the grease (G-116) to the indicted portion of middle lens barrel assy.

Middle Lens Barrel Assy
(Inner side)

Middle Lens Barrel Assy
(Cross section)

Apply the grease(G-116)

Apply the grease(G-116)

Grease (G-22): J-6082-665-A
Grease (NCPOP2B): 7-640-016-79
Grease (G-116): J-6082-628-A

1.  Apply the grease (G-22) to the gear of focus ring assy.
2.  Apply the grease (G-116) to the part A of focus ring assy.
3.  Apply the grease (NCPOP2B) to the brush sliding surface of focus encoder flexible board.

  Apply the grease (NCPOP2B) two coats to the indicated portion.

Focus Ring Assy

Gear portion

A

Apply the grease (G-22)

Apply the grease (G-22)

Do not protrude

Range of 
two coats

Apply the grease (NCPOP2B)

Focus Encoder Flexible Board

Brush sliding surface

4.  Install the focus ring assy to the middle lens barrel assy.

  Attach the stopper on focus ring assy facing to the projection as shown in the figure.

5.  Install the vertical groove cylinder to the middle lens barrel assy and fix it with three screws.

  Align the cut portions (working part of driving wheel pin) of both parts.

6.  Confirm the operation of the focus ring.

  Confirm the focus encoder flexible board is seen from the attaching portion of Focus Brush.

Focus Ring Assy

Middle Lens 
Barrel Assy

Stopper

Stopper

Attaching portion of 
Focus Brush

Projection

Projection

Cut portion
(Working part of
driving wheel pin)

Cut portion
(Working part of
driving wheel pin)

Vertical Groove Cylinder

SAL30M28 (DT 2.8/30 MACRO SAM) (DT 30mm F2.8 Macro SAM)

3-1

NOTE:

-XX and -X mean standardized parts, so they may 
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.

•

•

The mechanical parts with no reference number in 
the exploded views are not supplied.

•

 

(Note 1) 

king on the Connector) 

A

A

Ref. No.

Part No.

Description

1

4-155-253-01

INTERCEPTION

2

4-155-521-01

INTERCEPTION TAPE

3

4-150-716-01

FOCUS RUBBER

4

4-150-743-01

FOCUS  BRUSH

5

4-150-741-01

BRUSH, REINFORCEMENT

6

4-150-757-01

BTLC4.5P1.7X2.5C3C

7 

4-164-169-01 

SHEET, VIBRATION PROOF

8

1-787-830-11

DC MOTOR (GEARED)

9

2-699-029-01

BT2P1.7X4.5C3C

10

A-1736-753-A

TUBE, REAR MIRROR ASSY

11

4-137-921-01

DECORATION SEAL

12

2-683-692-01

CHIP (MOUNT INDEX)

13

4-150-758-01

BTUT3.0P1.7X4B3C

Ref. No.

Part No.

Description

14

X-2190-501-3

SWICH PANEL BLOCK

15

4-146-926-01

DOUBLE-COATED ADHESIVE TAPE

16

Selection Parts ADJUSTMENT WASHER (Note 2)

17

A-1736-752-A

G06 FRAME ASSY

18

4-150-756-01

BTUT3.0P1.7X4.5C3C

19

A-1736-754-A

MAIN PC BOARD ASSY (Note 1)

20

4-155-751-01

LEVER, FUNCTION

21

4-150-747-01

PRESET RING

22

4-150-759-01

1P1.7X2B3C

23

4-150-749-01

MAIN SPRING

24

4-150-798-01

MOUNT

25

4-150-760-01

BT1P2X5B3C

26

4-155-522-01

MOUNT COVER

(Note 1)   The part number for main board 

assy (No.19) differs inSAL50F18 and 

SAL30M28.Check the marking on the 

connector before use.

SAL50F18

…

Black tick

SAL30M28

…

Blue tick

(Note 1)   

メイン基板組立

(

図面番号

19)

は

SAL50F18

と

SAL30M28

で部品番号が

違います。コネクタ部のマーキングを確認
し，使い分けてください。

SAL50F18

…黒のレ点

SAL30M28

…青のレ点

Ref. No.

Part No.

Description

51

4-155-520-01

BARREL OUTER

52

4-150-739-01

SCREW, BOLT

53

4-150-755-01

BT2P1.4X4.5C3C

54

4-155-254-01

FILTER SCREW FRAME

55

A-1744-946-A

GROUP ASSY, FRONT GROUP (REAR)

56

4-150-719-01

HELICOID MALE

57

4-150-722-01

VERTICAL GROOVE CYLINDER

58

A-1736-750-A

RING FOCUS ASSY

59

A-1736-751-A

MIDDLE LENS BARREL ASSY

60

A-1731-790-A

JOINT FLEXIBLE, PC BOARD

61

4-150-756-01

BTUT3.0P1.7X4.5C3C