Softorg · 2018. 8. 30. · －17 － ii. lu-1508, lu1508h, lu1510, lu-1560 and lu-1565 11) () i. - ① ⑤ ⑥ ② ③ ④ ① ② ③ ④ 8 a. 26 8 a. 27 no. 1 ! b 0 = 4 0 @ b •

－ 1 －

1.

/

( )

No.

1

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24

LU-1510

1-

( )

. 2,500 ./

–

–

2P, 400

SCHMETZ 135 x 17 Nm 125 to 180 : Nm 160

#30 to #5

. 9 ( / )

: 9 : 16

/

36

2.0 ( ), 2

( )

( )

JUKI New Defrix Oil No. 2

517 x178

255 x 99

(V) :

ø93.3 mm : ø160

LU-1510-7

. 3,000 ./

#30 to #5

SC-380

1-

( )

-

2,5 6,5 ( / )

1 6,5 (

)

－ 2 －

-

/

( )

No.

1

2

3

4

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6

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20

21

22

LU-1508

. 2,500 ./

SCHMETZ 135 x 17 Nm 125 to 180

: Nm 160

#30 to #5

36

: ø160

2P, 400

LU-1508H

. 2,000 ./

SCHMETZ 190 Nm 125 to 180

: Nm 160

#8 to #1

38

: ø175

2P, 400

: 9 : 16

/

2.5 6,5 ( / 2.0 ( ),

2

/


517 x 178

255 x 99

: ø93.3

. 9 ( / )

. 10 ( / )

1-

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－ 3 －

SCHMETZ 135 x 17 Nm 125 to 180 : Nm 160

#30 to #5

. 9 ( / )

: 9 : 16

/

36

( )

( )


517 x 178

255 x 99

(V) :

ø93.3 : ø160

/

/

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

LU-15602-

(

)

–

2.5 6.5

/

–

2P, 400

LU-1560-7

#30 to #5

SC-380

. 2,500 ./

-

2-

( )

1 6.5 (

) 2.0 (

), 2

－ 4 －

-

/

/

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

LU-1565

. 2,000 ./

SCHMETZ 135 x 17 Nm 125 to 180 Standard : Nm 160

#30 to #5

–

. 9 ( / )

: 9 : 16

/

33.36

2.5 6.5 / 2.0 (

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517 x178

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LU-1510-7 9 ± 0.1 LU-1560-7

LU-1560

LU-1510 8.5 ± 0.1 LU-1508

LU-1508H 8 ± 0.1 LU-1565

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LU-1560 54

LU-1508H 52.3

①⑨

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⑪

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B C D

LU-1510-7 2.3 ± 0.2 1.5 ± 0.2 0.05 to 0.1 LU-1560-7

LU-1510 1.5 ± 0.3 0.05 to 0.15 LU-1508

LU-1560

LU-1508H 2.5 ± 0.3 LU-1565 18 2.8 ± 0.3 +0.3–0.1

－ 12 －

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No. 1

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○ LU-1508, LU-1510, LU-1510-7, LU-1560-7 LU-1560

○ LU-1508H

No. 1

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－ 17 －

II.

◯ LU-1508, LU1508H, LU1510, LU-1560 and LU-1565

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. 28

No. 1

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. 29

①

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. 30

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. 47

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LU1560-7

◯ LU-1510, LU-1508, LU-1560 LU-1565

③

. 48

( )

－ 28 －

◯ LU-1510-7, LU-1508H LU1560-71.

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, 1 ± 0.5 ①

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－ 30 －

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. .

－ 32 －

1. , (

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.

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.

3. JUKI New Defrix Oil No. 2 ,

HIGH ( )

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(HIGH) , (LOW).

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C

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LU-1510-7 (R) 13 ± 0.1 1.6 ± 0.1 LU-1560-7 (R)

LU-1560-7 (L) 9.7 ± 0.1

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C

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LU-1510-7

LU-1560-7

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－ 34 －

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2,000 ./

2,000 ./

1,800 ./

: 6 : 6 9

2.5

2.5 , 4

4 , 4.75

4.75 , 6.5

2,500 ./

2,200 ./

1,800 ./

1,600 ./

1,800 ./

1,800 ./

1,800 ./

1,600 ./

: 6 : 6 9

(2) / -

1) , -

( ) / -

● LU-1510-7

● LU-1560-7

A

. 71

. 72

8 ± 0.1

OFF

OFF

O N

ON

OFF

OFF

ON

ON

-

-

,

-

-

1 2.5

2,625 4

4,125 4.75

4.875 6.5

( )/

( ) ( / )

－ 42 －

1. ( ) /

-

“1”

.

2. ① ( ) /

- , .

, ,

/ “A” .

3. ② ,

-

,

/

8 ± 0.1 .4. “1” ( ) /

-

, /

“A” .

( ) , ,

-

, ,

( ) /

-

.

• ,

( ) /

-

.

－ 43 －

4.

(1) ( )

1) 2)

3) ( )

①

②

④

⑤

①

②

③

④

⑤⑥

⑦⑧

⑨

⑧

⑩

⑪

. 73

74

. 75

. 76

A

－ 44 －

◯

1)

1. ① B, , .

2. B ② .

3. ③ B.

2)

1. / .

2. ④ .

3. ⑤ .

◎ ,

( ) 1. ★- , .

2. ※ - ,

( ).

3) ( )

1. / ① .

2. ② , ③ .

3. ④ / / ⑤ .

4. ⑥ / ⑦ .

5. ( / / ) /

/ .

6. / / .

7. ( ) ⑩ ⑪ / ⑨.

8. , .

◎ ( ) ( 1)

No. No. -

★ 1 SS4110815SP B 5

※ 2 21331806 B 1

★ 3 21332002 B 1

4 SS6120930SP

2

★ 5 22610505 1

No. No. -

10 NS6150430SP ( )

1

11 SD0800402TP ( )

1

－ 45 －

4)

5) ( )

①

②

③

④

⑤⑥

⑦

⑧

⑨

⑩⑪

⑫

⑬

. 77

. 79

④

⑤

⑥⑦

⑧

⑨

. 78

①

②③

－ 46 －

4)

1. ① ② .

2. ( ) ③

④ .

( LU-1508H, ⑨ ( )

,

.)

3. ⑤ .

4. ( ) ,

/ / ( ) ⑥

⑦.

( , / /

( ) .)

5. / ⑧ / ( ).

6. .

, “18)

” 27.

5) ( )

1. ( ) ② ( )

① ( )

③.

2. ⑤ /

④ / ⑥

.

3. ( ) ⑧

⑨ ⑦ .

4. .

5. ( ) D ⑩ ⑪ .

6. D

⑬ ⑫ .

( ,

/

( ) ( ) .)

7. /

,

.

8. B D .

, / ( )

( ) /

.

9. .

－ 47 －

6)

①

②

. 80

7)

. 81

1. ① , / / ② .

2. .

①

②

1. ① / / , ② .

－ 48 －

◎ ( 2)

No. No. -

1 22656003 1

2 SS4120615SP 1

3 11100500 / 1

4 SS7112420SP /

1

5 10120004 1

6 22656102 / / ( ) 1

7 SS7120760SP / / ( )

1

8 13515606 1

9 WP0502616SD /

1

◎ . - ( ) ( 3)

No. No. -

1 21348503 ( ) 1

2 21348701 ( ) 1

3 SD0800352SP ( ) 1

4 PA320150200 1

5 PJ301065104 1

6 PX015101000 ( ) 1

7 21348602 1

8 SD0800352SP ( ) 1

9 NM6060003SC 1

10 21348909 B 1

11 SS7151210SP ( )

2

12 WP0641601SD/

( ) 2

13 SM6061602TP / 2

◎ ( 4)

No. No. -

1 21348859 1

2 SS7110840SP , 2

◎ ( 5)

No. No. -

1 23105554 ( . ) 1

2 SK3482500SC 4

● No. . - ( )No. No. -

21348552 -

( ) 1

( ) No. No. 1 5.

－ 49 －

⑥

⑦

⑧

⑨

①②

③④

⑤

⑩

⑪

⑫

⑬

⑩②

B

A

. 82

. 83

(2)

1)

－ 50 －

1)

1. , , .

2. / ⑩ ① .

3.

.

, /

24 .

4. , ⑪ , ⑫

② .

5. ,

4, ⑬.

6. B ⑦

A ⑥ ( / /

⑨

⑧.)

7. A ,

6, / /

.

( / B

, .)

8. .

LU-1510-7, , -

. LU-1510-7,

( . ).

9. .

,

, / /

16 ± 0.5 . , / /

A ,

.

( A , B .)

, .

10. , , ,

A /

0.5 1.5 .

11. A, / .

－ 51 －

2)

◎ LU-1510-7

LU-1560-7

◎ LU-1510, LU-1508,

LU-1508H, LU-1560 LU-1565

①

②③

④ ⑤

⑥

⑦

⑧

⑨

⑩

⑪⑥

①

. 84

. 85

◯ : AK- 119A AK-119B•

,

.

◯ : AK-120K AK-120B• ( . )

.

※

• AK- □□□ A :

• AK- □□□ B :

－ 52 －

◯ ,

◯ ,

• ( ) ( A)

• ( LU-1510-7) ( B)

• ( LU-1510, LU-1508 LU-1508H) ( C)

• A ( ) ( D)

No. No. -

1 21332309 1

2 SS4110815SP 1

No. No. -

GAKA19010A0 ( . ) 1

1 PA400150100 1

2 SM6082502TP 4

3 21356506 1

4 NM6080001SE 1

5 SD0720331SP 1

6 21356605 A 1

7 21656803 B 1

8 SM6051002TP B 2

9 21356704 / / 1

10 PJ304065102 / 2

11 21356308 ( )

1

12 21356407 ( )

1

13 SS6151040SP 4

14 CM3002000B1 1

15 CM300200001 1

No. No. -

1 GAKA14020A0 ( . ) 1

2 GAKA14030A0 ( . ) 1

3 GAK29010000 ( / ) 1

4 GAK29015000 ( ) 1

5 GAK29016000 1

6 BT0600401EB 2 1.3

7 BT0600401EB 1 0.18

8 HX00123000A / 1

9 PJ309065202 ( Y) 1

10 SM4034001SN 2

11 HX002950000 3 1

12 HX00295000A 3 2

No. No. -

1 GAKA14010A0 ( . ) 1

No. No. -

1 GAKA14040D0 B ( . .) 1

2 SK3514000SC ( . .) 2

• / ( :

A D.)

No. No ( )

- ( No ) A B C D

1 GAKA19010A0 AK119A 1 ○ ○ ○ LU-1510-7

2 GAKA19010B0 AK119B 1 ○ ○ LU-1560-7

3 GAKA20010A0 AK120A 1 ○ ○ ○ LU-1510

LU-1508

LU-1508H

4 GAKA20010B0 AK120B 1 ○ ○ LU-1560

LU-1565

－ 53 －

①

②

③

④

⑤⑥

⑨⑩

①

②

③④

⑤⑥

⑦ ⑧

⑨

⑩

④

10.5

. 86

. 87

. 88

. 89

. 90

(3) /

1) /

/

－ 54 －

1) /

1. / / ② ① ③ .

2. ④ / / ④ / ⑤ ⑥ .

3. ① , 1,

- ⑩ .

4. / ⑧ /

⑦ ①.

5. / / / / ②

/ ⑦.

6. / ⑨ .

7. ⑩, 3,

/

① 10.5 ⑩ .

○ /

1. ⑩

①

. 2. ⑩ .

• → / .

• → / .

○ /

:

• ,

,

,

.

○ /

:

• ,

,

,

.

－ 55 －

5. , ( / / ) .

, - / , ,

/ , , ,

, , ,

.

, , ,

/ , .

( ) .

No. 1 No. 2

/

/

/

No. 3

No. , No. No.

1 / NS6110420SP #242

2 /

10715308 #638

3 / SD0800402TP #638

/

/

/

/ /

－ 56 －

● LU-1510

● LU-1510-7

● LU-1508

/ , LU-1510( . ).● LU-1508H

/ , LU-1510 ( . ).

6.

No.

MC372001600 SCHMETZ 135x17 Nm 160

( . .) B18305630A0

B9117563000

No. / 10109700 0 t=1.0

10110906 1 t=1.1

10111003 2 t=1.2

10111102 3 t=1.3 ( )

10111201 4 t=1.4

10109809 5 t=1.5

10112506 6 t=1.6

10102605 7 t=1..7

10102704 8 t=1.8

No.

MC372001600 SCHMETZ 135x17 Nm 160

( . .) 21334552

21334800 ( / )

( . .) 21354857 ( , ,

10726305

10726404

10726909

No.

MC372001600 SCHMETZ 135x17 Nm 160

( . .) B18305630A0

B9117563000

No.

MC0190R1600 SCHMETZ 190 Nm 160

( . .) B1830563BA0

B9117563000

No. / 22614002 A t=1.9

22614101 B t=2.0 ( )

22614200 C t=2.1

22614309 D t=2.2

22614408 E t=2.3

22614507 F t=2.4

－ 57 －

● LU-1560

/ , LU-1510( . . 56)

No.

MC372001602 SCHMETZ 135x17 Nm 160 (2 .)

( . .) B18305630A0

B9117563000

● LU-1560-7

No.

MC372001602 SCHMETZ 135x17 Nm 160 (2 .)

( . .) 21334552

21334800 ( / ) , ( . .) 21354857 ( , , )

, ( . .) 21363452 ( , , )

21363304

10726404

10726909

/ , LU-1510-7. ( . . 56)

● LU-1565 No.

MC372001602 SCHMETZ 135x17 Nm 160 (2 .)

( . .) B18305210A0

B18375260A0

B9117563000

/ , LU-1510-7. ( . . 56)

－ 58 －

7.

8. (LU-1510, LU-1510-7, LU-1560-7 LU-1560)

. 91

. 92

( )

( )

/ ( )

LU-1510, LU-1560

LU-1510-7, LU-1560-7

－ 59 －

1.

.

,

,

. /

.

.

“

” . 9

.

(

.)

.

.

. ※ . 61.

9.

, ,

.

,

“ ” . 11

2-3

“ ”

. 15

“ ” . 11

－ 60 －

2.

.

.

“

” . 11

, .

“

” . 11

.

“ ” . 11

. (

)

“ ” . 11

,

“ ”

. 15

－ 61 －

( .)

.

/

.

.

( . ※ .)

( )

* / ,

: “21144308 Thread lubricating box”

( ), “B1114012000 Thread guide

bar” ( ) “B91351230B0

Silicon oiler” ( )

3. (

/ “ ”

)

“

” . 9

/

,

“ .7

0.2

－ 62 －

4.

/

•

* LU-1508H ,

, ,

.

, 1 Pos

“21332804”.

5.

( )

,

1

,

,

-

,

,

－ 63 －

,

Bobbin thread is notclamped.

Needle is too thick.

Needle hole in the feeddog is too large.

Pressure of the presserfoot is too low.

Thread tension given bythe tension controller No.1 is too high.

Check the rising amount ofthe thread tension disk No.2 at the time of threadtrimming.

Thread trimming timing isexcessively advanced.

There are scratches on themoving knife and the hook.

Position of the clampspring

Pressure of the clampspring is too low.

There are scratches on theclamp spring.

Needle thread removesbobbin thread.

Thread the needle threadcorrectly.Adjust so that abnormalthread tensin is not applied tothe needle thread.

Decrease the tension givenby the tension controller No.1.

Adjust so that the disk israised by means of the threadrelease solenoid.

Refer to “Thread trimmer camtiming” on page 39.

Polish with buff or replace thepart.

Attach the thread pullingdevice.Refer to “Thread pullingdevice” on page 53.

Refer to “Position of thecounter knife and the clampspring” on page 33.


Replace the clamp springwith a new one.

Increase or decrease thetens ion o f the tens ioncontroller No. 1.

Replace the needle with athinner one.

Replace the feed dog with anoptional one with smallneedle hole.

Increase the pressure of thepresser foot.

10.

1.

－ 64 －

2. Thread sl ips of f theneedle eyelet.

3. D e f e c t i v e t h r e a dtrimming

Needle thread slips off theneedle eyelet immediatelyafter thread trimming.

Needle thread slips off theneedle eyelet at the startof sewing.

T h r e a d c a n n o t b etrimmed.

Thread remains uncutafter thread trimming.

Moving knife stops duringoperation.

To the next page

Check whether the needlethread remaining at theneedle top after threadtrimming is short.

Check whether the needlethread remaining at theneedle top at the start ofsewing is short.

The blades of moving knifeand counter knife havebeen improperly adjusted.

The blades of moving knifeand counter knife haveworn out or broken.

Pressure of the counterknife is insufficient.


The blades of moving knifeand counter knife haveworn out or broken.

Thread trimming timing isexcessively retarded.

Pressure of the counterknife is insufficient.

Thread is too thick.

Thread trimming timing isexcessively retarded.

Tension of the needlethread is too high.

Refer to the Cause “Needlethread remaining at theneedle top after threadtrimming is short” on page 63.


Replace the moving knife andcounter knife with new ones.

Refer to “Adjusting the knifepressure” on page 35.


Replace the moving knife andcounter knife with new ones.



Use th read w i th in thespecified value.


Decrease the tension of thetension controller No. 1.

Troubles Causes Checking Corrective measures

－ 65 －

Needle thread is notcaught.

Bobbin thread is notcaught.

Both needle and bobbint h r e a d s c a n n o t b etrimmed.

Tension of the bobbinthread is too high.

Kinfe pressure of thecounter knife is too high.

Init ial posit ion of themoving knife is placedexcessively in the front.

Thread is not cut sharply.

Stitch skipping at the laststitch

Check the thread trimmercam timing.

Top end of the movingknife has broken or beenscratched.

Stroke of the moving knifeis small.

Check the rout ing ofbobbin thread.

Top end of the movingknife has broken or beenscratched.

Check the he ight o fmoving knife.


Pressure of the counterknife is too low.

Moving knife fails to work.

Adjust the tension of bobbinthread.



Refer to Causes “Threadcannot be trimmed” and“Thread remains uncut afterthread trimming” on page 64.

Refer to “Needle-to-hooktiming” on page 11.


Replace the moving knifewith a new one.

Adjust the initial position ofmoving knife.

Correctly thread bobbinthread.

Replace the moving knifewith a new one.

Adjust the height of movingknife.



Adjust the synchronizertiming.

Replace the thread trimmersolenoid.

Troubles Causes Checking Corrective measures

R

ENGINEER’S MANUAL

29340700No.00

1-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE(AUTOMATIC LUBRICATION)

LU-15101-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE WITH AUTOMATIC THREADTRIMMER (AUTOMATIC LUBRICATION)

LU-1510-71-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE

LU-15081-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE (FOR EXTRA HEAVY-WEIGHT MATERIALS)

LU-1508H2-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE (AUTOMATIC LUBRICATION)

LU-15602-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE WITH AUTOMATIC THREADTRIMMER (AUTOMATIC LUBRICATION)

LU-1560-72-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE WITH ORGANIZED SPLIT NEEDLE BAR

LU-1565

PREFACE

This Engineer’s Manual is written for the technical personnel who are responsible for the service and maintenance

of the machine.

The Instruction Manual for these machines intended for the maintenance personnel and operators at an apparel

factory contains operating instructions in detail. And this manual describes “Standard Adjustment”, “Adjustment

Procedures”, “Results of Improper Adjustment”, and other important information which are not covered by the

Instruction Manual.

It is advisable to use the relevant Instruction Manual and Parts List together with this Engineer’s Manual when

carrying out the maintenance of these machines.

In addition, for the motor for the sewing machine with thread trimmer, refer to the separate Instruction Manual

or Engineer’s Manual for the motor. And for the control panel, refer to the Instruction Manual for the control

panel.

This manual gives the “Standard Adjustment” on the former page under which the most basic adjustment value

is described, and on the latter page “Results of Improper Adjustment” under which stitching errors and troubles

arising from mechanical failures are described together with the “Adjustment Procedures”.

CONTENTS

1. SPECIFICATIONS ...................................................................................... 1

2. STANDARD ADJUSTMENT ......................................................................51) Position of the needle entry ............................................................................................................ 5

2) Longitudinal position of the feed dog .............................................................................................. 5

3) Lateral position of the feed dog ...................................................................................................... 7

4) Height of the feed dog .................................................................................................................... 7

5) Height of the hook .......................................................................................................................... 9

6) Adjusting the inner hook guide ....................................................................................................... 9

7) Needle-to-hook timing .................................................................................................................. 11

8) Lift of the presser foot ................................................................................................................... 13

I. Presser lifter lever ..................................................................................................................... 13

II. Knee lifter ................................................................................................................................. 13

9) Main shaft-to-hook driving shaft timing ......................................................................................... 15

10) Drive eccentric cam timing ......................................................................................................... 15

I. Feed drive eccentric cam timing ............................................................................................... 15

II. Top feed cam timing ................................................................................................................. 17

11) Feed movement .......................................................................................................................... 17

I. Amount of alternate vertical movement of walking foot and presser foot .................................. 17

◯ In case of the machine without thread trimmer .................................................................... 17

◯ In case of the machine with thread trimmer.......................................................................... 19

II. Amount of alternate movement of walking foot and presser foot ............................................. 19

12) Needle sway (Optional selection of LU-1510 and LU-1510-7 only) ............................................ 21

13) Stitch length of normal/reverse feed ........................................................................................... 21

14) Balancer (For the machine without thread trimming device only) ............................................... 21

15) Vertical position of the needle bar frame .................................................................................... 23

16) Dimension of the needle stop adjusting slide shaft (asm.) ......................................................... 23

17) Position of the repositioning lever ............................................................................................... 25

18) Position of the reverse feed control lever ................................................................................... 27

19) Safety clutch ............................................................................................................................... 27

20) Lubrication .................................................................................................................................. 29

◯ In case of LU-1508, LU-1508H and LU-1565 ....................................................................... 29

◯ In case of LU-1510-7, LU-1510, LU-1560-7 and LU-1560 ................................................... 31

3. STANDARD ADJUSTMENT OF THE ADDITIONAL DEVICES .............. 33

(LU-1510-7, LU-1560-7) ........................................................................... 33(1) Thread trimmer device ......................................................................................... 33

1) Position of the counter knife and the clamp spring ....................................................................... 33

2) Position of the counter knife base ................................................................................................ 33

3) Vertical position of the moving knife ............................................................................................. 35

4) Adjusting the knife pressure ......................................................................................................... 35

5) Thread trimmer solenoid ............................................................................................................... 37

6) Thread trimmer cam ..................................................................................................................... 37

7) Connecting the driving arm and the thread trimmer roller arm ..................................................... 39

8) Connecting the left and right driving arms (LU-1560-7) ................................................................ 39

9) Thread trimmer cam timing ........................................................................................................... 39

(2) Alternate vertical movement dial ........................................................................ 411) Installing position of the amount of alternate vertical movement detecting switch ....................... 41

4. INSTALLAION OF THE OPTIONAL PARTS ........................................... 43(1) Automatic reverse feed device ............................................................................ 43

1) Removing the side plate ............................................................................................................... 43

2) Removing the reverse feed control lever ...................................................................................... 43

3) Installing the reverse feed link hinge screw .................................................................................. 43

4) Installing the reverse feed control lever ........................................................................................ 45

5) Installing the automatic reverse feed device ................................................................................ 45

6) Installing the touch-back switch .................................................................................................... 47

7) Installing the pneumatic components ........................................................................................... 47

(2) Automatic presser foot lifter................................................................................ 491) Assembling the automatic presser foot lifter ................................................................................. 49

2) Installing the pneumatic device components ................................................................................ 51

(3) Thread pulling device ........................................................................................... 531) Assembling the thread pulling device ........................................................................................... 53

5. PORTION TO WHICH LOCKTITE IS APPLIED....................................... 55

6. SELECTIVE PARTS AND CONSUMABLE PARTS ................................ 56

7. ENGRAVED MARKER DOTS ON THE HANDWHEEL ........................... 58

8. PIPING DIAGRAM (LU-1510, LU-1510-7, LU-1560-7 AND LU-1560) .... 58

9. TABLE OF TROUBLES IN SEWING AND CORRECTIVE MEASURES ...... 59

10. TRABLE OF TROUBLES IN THREAD TRIMMING AND CORRECTIVEMAESURES ........................................................................................... 63

Please do not hesitate to contact our distributors or agents in your area for further information when necessary.＊ The description covered in this engineer's manual is subject to change for improvement of the

commodity without notice.

99 · 12 Printed in Japan (E)

R

INTERNATIONAL SALES H.Q.8-2-1, KOKURYO-CHO,CHOFU-SHI, TOKYO 182-8655, JAPANPHONE : (81)3-3430-4001 to 4005FAX : (81)3-3430-4909 • 4914 • 4984TELEX : J22967

Copyright (C) 1999 JUKI CORPORATION.

All rights reserved throughout the world.

CONTENTS1. SPECIFICATIONS 2. STANDARD ADJUSTMENT 1) Position of the needle entry 2) Longitudinal position of the feed dog 3) Lateral position of the feed dog 4) Height of the feed dog 5) Height of the hook 6) Adjusting the inner hook guide 7) Needle-to-hook timing 8) Lift of the presser foot I. Presser lifter lever II. Knee lifter 9) Main shaft-to-hook driving shaft timing 10) Drive eccentric cam timing I. Feed drive eccentric cam timing II. Top feed cam timing 11) Feed movement I. Amount of alternate vertical movement of walking foot and presser foot Å¸ In case of the machine without thread trimmer Å¸ In case of the machine with thread trimmer II. Amount of alternate movement of walking foot and presser foot 12) Needle sway (Optional selection of LU-1510 and LU-1510-7 only) 13) Stitch length of normal/reverse feed 14) Balancer (For the machine without thread trimming device only) 15) Vertical position of the needle bar frame 16) Dimension of the needle stop adjusting slide shaft (asm.) 17) Position of the repositioning lever 18) Position of the reverse feed control lever 19) Safety clutch 20) Lubrication Å¸ In case of LU-1508, LU-1508H and LU-1565 Å¸ In case of LU-1510-7, LU-1510, LU-1560-7 and LU-1560 3. STANDARD ADJUSTMENT OF THE ADDITIONAL DEVICES (LU-1510-7, LU-1560-7) (1) Thread trimmer device 1) Position of the counter knife and the clamp spring 2) Position of the counter knife base 3) Vertical position of the moving knife 4) Adjusting the knife pressure 5) Thread trimmer solenoid 6) Thread trimmer cam 7) Connecting the driving arm and the thread trimmer roller arm 8) Connecting the left and right driving arms (LU-1560-7) 9) Thread trimmer cam timing (2) Alternate vertical movement dial 1) Installing position of the amount of alternate vertical movement detecting switch 4. INSTALLAION OF THE OPTIONAL PARTS (1) Automatic reverse feed device 1) Removing the side plate 2) Removing the reverse feed control lever 3) Installing the reverse feed link hinge screw 4) Installing the reverse feed control lever 5) Installing the automatic reverse feed device 6) Installing the touch-back switch 7) Installing the pneumatic components (2) Automatic presser foot lifter 1) Assembling the automatic presser foot lifter 2) Installing the pneumatic device components (3) Thread pulling device 1) Assembling the thread pulling device 5. PORTION TO WHICH LOCKTITE IS APPLIED 6. SELECTIVE PARTS AND CONSUMABLE PARTS 7. ENGRAVED MARKER DOTS ON THE HANDWHEEL 8. PIPING DIAGRAM (LU-1510, LU-1510-7, LU-1560-7 and LU-1560) 9. TABLE OF TROUBLES IN SEWING AND CORRECTIVE MEASURES 10. TRABLE OF TROUBLES IN THREAD TRIMMING AND CORRECTIVE MAESURES

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