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JUKI LH-3500 Series Instruction Manual Download Page 45

– 43 –

400-45731

400-45730

400-45729

400-51633

B1613-512-C0H

B1613-512-B0H

400-71909

400-35896

Part No.

Part No.

Part No.

Part No.

226-00852

226-01355

226-01256

226-00753

101-49359

101-49250

101-49151

101-49052

101-48955

101-48856

101-48757

101-48658

101-48559

101-48450

101-48351

101-48252

101-48153

400-25816

400-25815

400-25814

400-25813

400-25812

400-25811

400-25810

400-25809

400-25808

400-25807

400-25806

400-25805

400-25804

B1613-512-U0H

B1613-512-T0H

B1613-512-S0H

B1613-512-R0H

B1613-512-Q0H

B1613-512-P0H

B1613-512-N0H

B1613-512-M0H

B1613-512-L0H

400-75311

B1613-512-K0H

B1613-512-H0H

B1613-512-G0H

226-26808

226-26709

226-26600

226-26501

226-26402

226-26303

226-26204

226-26105

226-26006

226-25909

226-25800

226-25701

226-25602

400-33959

400-33957

400-33955

400-33953

400-33951

400-33949

400-33947

400-33945

228-17159

400-33941

228-17050

228-16953

228-16854

Part No.

Part No.

Part No.

Part No.

Part No.

3.2

B

8

1

2

1- 1

1

8

7

4

3

8

5

38.1

34.9

31.8

28.6

25.4

22.2

19.1

15.9

12.7

9.5

7.9

7.1

6.4

5.6

4.8

4.0

1

R

8

Q

P

N

M

1

L

2

U

1-
1-

T

4

3

K

8

5

H

16

9

G

32

7

E

32

3

D

16

32

1

F

4

C

8

1

S

5

1- 3

mm

400-42874

226-00654

226-00555

226-01157

226-01058

3.2

B

8

1

2

1- 1

1

8

7

4

3

8

5

38.1

34.9

31.8

28.6

25.4

22.2

19.1

15.9

12.7

11.1

9.5

7.9

7.1

6.4

5.6

4.8

4.0

1

R

8

Q

P

N

M

1

L

2

U

1-
1-

T

4

3

K

8

5

H

16

9

G

32

7

W

16

7

E

32

3

D

16

32

1

F

4

C

8

1

S

5

1- 3

101-47650

228-16755

226-25503

B1613-512-F0H

101-48054

400-25803

228-16656

228-16557

400-72337
400-72338
226-25305
226-25404

B1613-512-E0H

B1613-512-D0H

mm

101-47957

101-47858

101-47759

400-25802

400-25801

φ2.2

1.7

2.2mm

3.2mm

1.7

2.4mm

Needle gauze sze

Needle gauze sze

Tp-dvded

Feed dog

Presser foot asm.

Throat Plate

Needle clamp asm. 

Sldng plate asm.  

(Front)

Sldng plate asm.  

(Left)

Sldng plate asm.  

(Left)

Sldng plate asm.  

(Rght)

Code

nch

Code

nch

Opton

Sttch spec.

Type G

Sttch spec.

Type G

Opton

(5) LH-3578

Summary of Contents for LH-3500 Series

Page 1: ...ENGLISH LH 3500 Series INSTRUCTION MANUAL ...

Page 2: ...ON OF THE SEWING MACHINE 25 5 1 Pedal Operation 25 5 2 Hand lifter 25 5 3 Adjusting the pressure of the presser foot 26 5 4 Micro lifter 26 5 5 Thread tension release changeover when using the knee lifter 27 5 6 One touch manual reverse feed One touch reverse feed type 27 6 MAINTENANCE 28 6 1 Changing procedure to bottom feed and the adjustment for LH 3528 only 28 6 2 Changing procedure to needle ...

Page 3: ...OIL 7 Noise Workplace related noise at sewing speed n 2 750 min 1 LpA 84 dB A Noise measurement according to DIN 45635 48 A 1 Model name LH 3568 with incorporating corner stitching LH 3568 7 with automatic thread trimmer incorporating corner stitching Application For light and medium weight materials S type standard G type jeans Hook Small hook Small hook Thread trimmer Not provided Provided Separ...

Page 4: ...1 5 dB Includes KpA 2 5 dB according to ISO 10821 C 6 2 ISO 11204 GR2 at 3 000 sti min Model name LH 3588 with incorporating corner stitching LH 3588 7 with automatic thread trimmer incorporating corner stitching Application For medium weight materials G type jeans Hook Large hook Large hook Thread trimmer Not provided Provided Separately driven needle bar mechanism Provided Provided Max sewing sp...

Page 5: ...3588 7 2 Thread take up cover 3 Finger guard 4 Thread tension controller 5 Control box 6 Pedal 7 Knee pad 0 2 3 6 5 8 7 4 9 2 4 3 5 1 1 8 Power switch 9 Reverse feed switch 0 Operation panel 1 Bobbin winder 2 Thread stand 3 Oil supply opening 4 Reverse feed control lever 5 Hand lifter lever ...

Page 6: ... as shown in the illustration Do not put protruding articles such as the screwdriver and the like at the location where the sewing machine is placed 1 Transporting procedure of the sewing machine 2 Caution when placing the sewing machine 3 1 Caution at the time of set up ...

Page 7: ...uld rest on the four corners of the machine table groove 22 5 mm 18 5 mm If the sewing machine is operated without removing air vent cap 5 oil leakage from gear box portion C may occur 2 Fix two rubber seats 1 on side A operator s side using nails 2 as illustrated above Fix two cushion seats 3 on side B hinged side using a rubber based adhesive Then place under cover 4 on the fixed seats 1 Install...

Page 8: ...xed to the oil tank installing plate and securely insert it into filter 1 until it goes no further after removing cap 4 which is attached to the end of the inlet port Then set the inlet port to D Place urethan filter 2 on E and place filter 3 of thin plate type small mesh plate on it 6 6 7 9 8 7 D E 0 1 3 2 4 Circulation trouble may occur unless inlet port 0 for circulation is securely inserted in...

Page 9: ...le bar 2 comes in contact with the presser foot 3 3 4 Installation of thread stand Assemble the thread stand set it up on the machine table using the installation hole in the table and tighten nut 1 gently When you use power supplied by the overhead power line pass the power supply cord through hollow spool rest rod 2 WARNING To protect against possible personal injury due to abrupt start of the m...

Page 10: ...3 to inlet port for circulation 1 in the same state as that at the time of delivery and securely fix it to the position where it does not come in contact with the moving section Remove drain screw 2 and dump the oil which has dropped to the under cover When inlet port for circulation 1 comes in contact with the oil surface oil is absorbed without passing the filter As a result break down will be c...

Page 11: ...n inflammation or rash immediately wash the related portions if oil adheres to your eyes or other parts of your body 3 If oil is mistakenly swallowed diarrhea or vomitting may occur Put oil in a place where children cannot reach 3 2 1 Upper engraved marker line Lower engraved marker line When filling the oil tank with the oil initially make sure that the oil amount indicating rod works When it doe...

Page 12: ...t the following work after turning the power off and ascertaining that the motor is at rest 4 3 Draining of oil from the oil tank When draining oil from the oil tank loosen drain screw 1 with the L shaped screwdriver Part No B9101490000 supplied as accessories and remove it 1 WARNING 1 To prevent accidents caused by abrupt start of the sewing machine do not connect the power plug until draining of...

Page 13: ... is not drawn out When loosening assembling do not allow the slit section of oil plug 4 to be burred 2 Remove inner hook 3 3 Loosen oil plug 4 with the L shaped screwdriver Part No B9101490000 and remove it 4 Draw out oil wick 5 inserted into oil plug 4 and replace it with a new one Small hook 11015906 Large hook 11404704 Part No of oil wick 5 After the replacement assemble oil plug 4 inner hook 3...

Page 14: ...n using the sewing machine make sure that the oil is put in the feed box from oil confirming window 1 Do not add oil to the feed box since the adequate amount of oil which is different from the hook oil has been put in the feed box 1 ...

Page 15: ...respective models with the cotton bar or the like When using SC 500 when the time of grease up comes the warning alarm sounds When the alarm sounds perform grease up LH 3528 3528 7 3578 3578 7 WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after turning the power off and ascertaining that the motor is at rest Thread take u...

Page 16: ...grease has been soaked after removing old grease adhered to the inside of the hole and the felt Further pour grease above the felt and cover it with the rubber cap LH 3568 3568 7 3588 3588 7 Common A Thread take up lever oil wick Felt Needle bar bracket Face plate lubrication felt Needle bar Square block ...

Page 17: ...d place For the grease applying place refer to 4 6 Applying grease p 13 and 14 For the releasing procedure of the warning after grease replenishment simultaneously pressing 2 and 3 turn ON the power Releasing procedure of the grease up error For SC 500 When the machine has been used for a certain period of time without performing grease up after the display of error code No 220 error code No 221 i...

Page 18: ... Adjust the position of bobbin thread winder 3 and fix it to the place of guide holes A and B with wood screws 3 Temporarily fix belt cover B 1 to the place of guide holes C and D 4 Install belt cover A 2 to the arm installing section 5 Adjust the position of belt cover B 1 and fix it with wood screw A C B D 67 44 95 75 5 12 mm 1 2 3 47 3 3 1 2 2 1 1 2 2 1 WARNING To protect against possible perso...

Page 19: ...n the bobbin case from the inside 4 Put the thread on bobbin threads slack preventer spring 4 1 2 4 3 1 1 Set a bobbin to the bobbin case so that the bobbin turns in the direction of arrow mark A 2 Pass the thread through thread slit 1 in the hook and draw the thread and pull it so that it passes under the tension spring A A 1 WARNING To protect against possible personal injury due to abrupt start...

Page 20: ... that the motor is at rest 1 Be careful of threading of needle clamp thread guides 4 O Figure A for thin filament thread of 60 or less Figure B for thick filament thread and polyester spun thread of 50 or more 2 Pass right side needle thread through the upper side of thread guide pin H 3 Pass the thread through the intermediate thread guide of LH 3528 7 and 3568 7 3578 7 3588 7 as follows Fig C fo...

Page 21: ...in thread tension Turn tension adjusting screw 2 clockwise to increase or counterclockwise to reduce the bobbin thread tension 4 12 Thread tension 1 2 WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after turning the power off and ascertaining that the motor is at rest ...

Page 22: ... or right after loosening thread tension No 2 setscrew 5 3 Move thread tension No 2 asm 3 and 6 to the right to increase or to the left to decrease the stroke of the thread take up spring When adjusting the stroke of thread take up springs 1 and 4 thread release pins 7 and 8 should not come in contact with disk release plate 9 In addition for LH 3528 3528 7 3578 and 3578 7 make sure that thread te...

Page 23: ...er two of engraved marker lines are for DP X 5 needle and the lower two of them are for DP X 17 needle Adjusting procedure for DP X 5 needle Adjust top engraved marker line A of needle bar 2 to the bottom end of needle bar rocking base 3 and tighten the needle bar connecting stud clamping screw 1 At this time the needle bar goes up by 2 2 mm from the lowest position adjust the second engraved mark...

Page 24: ...hook driving shaft saddle 4 to the right or left to adjust so that a clearance of 0 01 to 0 05 mm is provided between blade point 2 of the hook and needle 3 Then tighten setscrews 5 3 Next in the state described in step 1 align the blade point of hook with the center of needle and tighten setscrews 1 in the screw gear small 2 2mm 1 2mm 3 If the needle to hook relation is different from the afore m...

Page 25: ...Lower stop position 1 The DOWN needle stop position when the pedal is returned to the neutral position after the front part of the pedal is depressed can be adjusted the same as UP stop Stop needle 2 in DOWN position turn OFF the power and loosen screw 3 to perform adjustment within the slot of the screw The needle stop timing is advanced if you move the screw in the direction of E and the timing ...

Page 26: ...ole 4 on the left side 4 17 Pedal pressure and pedal stroke 1 Installing the connecting rod 1 Move pedal 3 to the right or left as illustrated by the arrows so that motor control lever 1 and connecting rod 2 are straightened 2 Adjusting the pedal angle 1 The pedal tilt can be freely adjusted by changing the length of the connecting rod 2 Loosen adjust screw 4 and adjust the length of connecting ro...

Page 27: ...he machine runs at high speed after it completes reverse feed stitching 3 The machine stops with its needle up or down when you reset the pedal toits original position C 5 1 Pedal Operation 4 The machine trims threads when you fully depress the back part of the pedal E When auto lifter AK135 is used 1 step switch is increased between stop and thread trimming The presser foot goes up when the back ...

Page 28: ... Turn the regulator clockwise to increase the pressure and turn it counterclockwise to decrease the pressure After the adjustment tighten nut 2 5 3 Adjusting the pressure of the presser foot Decrease Increase 1 2 1 2 Loosen screw 1 turn micro lifter pin 2 and the height of the presser foot can be adjusted to 0 to 0 5 mm ...

Page 29: ...1 Thread slacks when turning cloth at the corner stitching and sewing trouble of thread tension release may occur 2 When the wiper is not used at the time of thread trimming needle thread may be drawn out when removing cloth 3 Just loosen screw 2 and do not remove it 1 3 2 1 1 5 6 One touch manual reverse feed One touch reverse feed type How to use 1 Press switch 1 and the sewing machine will imme...

Page 30: ...t in screw hole C which is located on the opposite side at 180 Fig a Turn the pulley by 180 without turning the hook driving shaft align the flat section of the hook driving shaft with screw hole C in sprocket 2 and fix with setscrews 9 Screw No 1 1 in the hook driving shaft rear bearing 0 aligns with the flat section of the hook driving shaft Make the state as the standard Fig b Then fix screw No...

Page 31: ...rew 6 which is put in screw hole C and put it in screw hole A which is located on the opposite side at 180 Fig a Turn the pulley by 180 without turning the hook driving shaft align the flat section of the hook driving shaft with screw hole A in sprocket 5 and fix with setscrews 6 It is the standard that screw No 1 8 in hook driving shaft rear bearing 7 aligns with the flat section of the hook driv...

Page 32: ...edle to hook relation common p 22 1 Turn the handwheel in the normal direction to bring inner hook guide 1 to the extreme rear position 2 Turn bobbin case 2 in the direction of the arrow and make inner hook stopper 3 come in contact with the groove of throat plate 4 3 Loosen inner hook guide setscrew 5 set the clearance between the inner hook guide and protrusion A of the bobbin case to 0 2 to 0 3...

Page 33: ...ide of machine bed loosen feed bar shaft setscrew 3 and turn knurled section 5 to adjust the inclination Standard inclination is the position where engraved marker dot A of feed bar arm aligns with engraved marker dot B of feed bar shaft Engraved marker dot C is for LH 4100 1mm 5 2 1 3 4 A C B WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start t...

Page 34: ...ook driving shaft gears move as well 5 Set the clearance between the needle and the blade point of hook to 0 01 to 0 05 mm 6 Tighten two setscrews 2 of the hook shaft saddle 7 Tighten from screws No 1 5 at the position where the clearance between hook driving shaft gears 3 and hook shaft saddles 1 is 0 5 mm Then tighten screws No 2 4 Sewing machine with thread trimmer Make driving arms 7 and 8 com...

Page 35: ...ead presser spring by moving rod 3 in the direction of arrow mark A and fix it with setscrew 4 Clamp trouble occurs even when the thread presser spring pressure is excessive or insufficient So be careful 3 2 1 4 A WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after turning the power off and ascertaining that the motor is ...

Page 36: ...pitch is minimum and needle 4 is in the lower dead point 3 Set clearance D between moving knife 3 and protrusion 6 of the inner hook to 0 3 0 1 mm Loosen moving knife setscrews 7 and 8 and adjust the clearance 1 A 2 WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after turning the power off and ascertaining that the motor i...

Page 37: ...e and wiper 4 is approximately 2 mm Be careful that screw A does not protrude in the rear of the bed slide when fixing the attachment to the bed slide with the screw When it protrudes as shown in the figure the screw interferes with other components and break down will be caused Needle 2mm 3 5 4 2 A WARNING To protect against possible personal injury due to abrupt start of the machine be sure to s...

Page 38: ...titches is 3 3 16 gauge 3 stitches 3 stitches 90 6 11 Replacing the bobbin thread slack preventer sprlng For LH 3568 3568 7 3588 3588 7 1 Loosen screw 1 and remove bobbin thread slack preventer spring 2 from the groove on the bobbin case 2 Fit bobbin thread slack preventer spring 2 which replaces the removed spring in the bobbin case through the groove 3 Fix bobbin thread slack preventer spring 2 ...

Page 39: ...70 4 6 3 1 2 3 1 9 1 6 80 3 8 2 6 1 9 1 6 90 3 2 2 2 1 6 100 2 7 1 8 Number of stitches Turning angle 1 2 3 4 5 6 7 8 9 40 4 9 3 9 3 3 2 8 2 5 2 2 50 5 1 3 8 3 1 2 6 2 2 1 9 1 7 60 4 1 3 1 2 5 2 1 1 8 1 5 70 5 1 3 4 2 5 2 0 1 7 1 5 80 4 3 2 8 2 1 1 7 1 4 90 3 6 2 4 1 8 1 4 100 3 0 2 0 1 5 Number of stitches Turning angle 1 2 3 4 5 6 7 8 9 40 4 4 3 7 3 2 2 8 2 5 50 4 3 3 4 2 9 2 5 2 2 1 9 60 4 6 3 ...

Page 40: ... E 32 3 D 16 32 1 F 4 C A 3 8 1 S 32 5 1 3 1 6mm G 226 27152 226 27756 226 27657 226 27558 226 27459 226 27350 3 2 B 226 47051 226 37557 S mm F A 38 1 34 9 31 8 28 6 25 4 22 2 19 1 15 9 12 7 11 1 9 5 7 9 7 1 6 4 5 6 4 8 4 0 2 4 R Q P N M L U T K H G W E D F C A S 226 47358 226 47150 400 33959 400 33957 400 33955 400 33951 400 33949 400 33945 228 16854 228 16656 400 71909 400 35896 400 51633 400 45...

Page 41: ...0 33732 400 33731 400 33729 400 33716 400 33718 400 33720 400 33722 400 33723 400 33724 400 33727 400 26027 400 26061 400 26059 400 26057 400 26055 400 26053 400 26051 400 26049 400 26047 400 26045 400 26043 400 26041 400 26039 400 26037 400 26035 400 26033 400 26031 400 26029 400 35875 3 2 B mm 38 1 34 9 31 8 28 6 25 4 22 2 19 1 15 9 12 7 11 1 9 5 7 9 7 1 6 4 5 6 4 8 4 0 2 4 R Q P N M L U T K H G...

Page 42: ...1 15 9 12 7 11 1 9 5 7 9 7 1 6 4 5 6 4 8 4 0 1 R 8 Q P N M 1 L 2 1 3 K 8 5 H 16 9 G 32 7 W 16 7 E 32 3 D 16 32 1 F 4 C S 5 101 49359 101 49250 101 49151 101 49052 101 48955 101 48856 101 48757 101 48658 101 48559 101 48450 101 48351 101 48252 101 48153 101 48054 101 47957 101 47858 101 47759 101 47650 101 47551 Part No Part No 400 71911 400 53705 400 53705 400 33955 400 33953 400 33951 400 33949 4...

Page 43: ...21 400 71917 Part No Part No Part No Part No 400 72338 Part No 226 26303 226 26402 B1402 526 CA0 A B1402 526 DAL A 102 28963 B1402 526 LAR A 102 28864 102 28559 B1402 526 FAL A B1402 526 GAL A B1402 526 HAR A B1402 526 HAL A B1402 526 BA0 A B1402 526 KAL A B1402 526 LAL A B1402 526 FAR A B1402 526 KAR A 102 28856 102 28955 102 29151 B1402 526 CA0 A B1402 526 DAR A 102 28567 B1402 526 GAR A 102 291...

Page 44: ...o Part No 400 25503 Part No 400 25502 B1402 526 CA0 A B1402 526 DAL A 102 28963 B1402 526 LAR A 102 28864 102 28559 B1402 526 FAL A B1402 526 GAL A B1402 526 HAR A B1402 526 HAL A B1402 526 BA0 A B1402 526 KAL A B1402 526 LAL A B1402 526 FAR A B1402 526 KAR A 102 28856 102 28955 102 29151 B1402 526 CA0 A B1402 526 DAR A 102 28567 B1402 526 GAR A 102 29169 400 71923 400 71919 400 71921 400 71917 40...

Page 45: ...1 228 17050 228 16953 228 16854 Part No Part No Part No Part No Part No 3 2 B 8 1 2 1 1 1 8 7 4 3 8 5 38 1 34 9 31 8 28 6 25 4 22 2 19 1 15 9 12 7 9 5 7 9 7 1 6 4 5 6 4 8 4 0 1 R 8 Q P N M 1 L 2 U 1 1 T 4 3 K 8 5 H 16 9 G 32 7 E 32 3 D 16 32 1 F 4 C 8 1 S 5 1 3 mm 400 42874 226 00654 226 00555 226 01157 226 01058 3 2 B 8 1 2 1 1 1 8 7 4 3 8 5 38 1 34 9 31 8 28 6 25 4 22 2 19 1 15 9 12 7 11 1 9 5 7...

Page 46: ... 8 1 1 8 7 4 3 8 5 25 4 22 2 19 1 15 9 12 7 9 5 7 9 7 1 6 4 5 6 4 8 4 0 Q P N M 1 L 2 3 K 8 5 H 16 9 G 32 7 E 32 3 D 16 32 1 F 4 C 5 mm 11 1 W 400 42880 400 25236 400 25235 400 25248 400 25247 3 2 B 8 1 1 8 7 4 3 8 5 25 4 22 2 19 1 15 9 12 7 11 1 9 5 7 9 7 1 6 4 5 6 4 8 4 0 Q P N M 1 L 2 3 K 8 5 H 16 9 G 32 7 W 16 7 E 32 3 D 16 32 1 F 4 C 5 101 47650 228 16755 400 25492 400 35892 101 48054 400 258...

Page 47: ... 226 25602 226 25503 226 25404 226 25305 400 72338 400 72337 Part No 11 1 W 102 29169 102 28963 102 28864 B1402 526 LAR A B1402 526 KAR A B1402 526 HAR A B1402 526 GAR A B1402 526 FAR A 102 28567 B1402 526 DAR A B1402 526 CA0 A B1402 526 BA0 A 102 29151 102 28955 102 28856 B1402 526 LAL A B1402 526 KAL A B1402 526 HAL A B1402 526 GAL A B1402 526 FAL A 102 28559 B1402 526 DAL A B1402 526 CA0 A 226 ...

Page 48: ...HAR A B1402 528 KAR A B1402 528 LAR B1402 528 MAR B1402 528 NAR B1402 528 NAL B1402 528 MAL B1402 528 LAL B1402 528 KAL A B1402 528 HAL A B1402 528 GAL B1402 528 FAL A B1402 528 EAL B1402 528 DAL A B1402 528 CA0 A B1402 528 BA0 A Part No Part No Part No Part No Part No Part No Part No 400 42880 400 25248 3 2 B 8 1 400 25235 400 25247 400 25236 400 25239 400 25249 1 8 7 4 3 8 5 mm 25 4 22 2 19 1 15...

Page 49: ...ook P 10 Adjust the needle thread tension Reduce the tension of the spring and increase the stroke Refer to 4 15 Needle to hook relation P 21 Wind the thread on the needle Use the thread guide equipped with felt pad 2 Stitch skipping 1 Clearance between the needle and the hook blade point is too great 2 Needle to hook relation is wrong 3 Pressing force of the presser foot is not enough 4 Needle ba...

Page 50: ... from the pulley side Be careful not to ro tate it in the counter direction 2 Motor pulley and belt for the machine with thread trimmer are as described below LH 3528 7 3568 7 3578 7 3588 7 Motor Motor pulley V Belt Model Part No Outer diameter Part No Length Part No SC 500 M50 40018481 φ110 40018577 43 inches MTJVM00430A EC 10B MTSE3438803 Part No of com plete set φ80 MTSE8110608 43 inches MTSE81...

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