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JUKI LH-3500 Series Скачать руководство пользователя страница 50

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10. MOTOR PULLEY AND BELT

(1) Motor pulley and belt for the machine without thread trimmer are as described below.

1)  Use a clutch motor with an output 400 W (2P).
2)  Use M type V belt.
3)  The relation between the motor pulley, belt length and number of revolutions of sewing machine is

as shown in the list below.

* The effective motor pulley diameter is obtained by subtracting 5 mm from the outer diameter.
* The motor should rotate counterclockwise when viewed 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

MTSE8160343

LH-3528, 3568, 3578, 3588

Motor pulley

Sewing speed (sti/min)

Belt

Outer diameter(mm)

Part No.

50Hz

60Hz

Length

Part No.

75

MTKP0070000

3000

-

43 inches

MTJVM00430A

70

MTKP0065000

2790

-

65

MTKP0060000

2580

3000

42 inches

MTJVM00420A

60

MTKP0055000

2370

2740

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Содержание LH-3500 Series

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

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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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