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JUKI LH-3528, Инструкция по эксплуатации, Страница: 4 / 43

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 – 2 – 

2. NAME OF EACH COMPONENT

1

  Separately driven needle 

changeover lever 

 

(LH-3568, LH-3568-7 only)

2

  Thread take-up cover

3

  Finger guard

4

  Thread tension controller

5

  Control box

6

  Pedal

7

  Knee pad

Knee pad

8

  Power switch

9

  Reverse feed switch

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

!0

2

3

6

5

8

7

4

9

!2

!4

!3

!5�

!1

1

Содержание LH-3528

Страница 1: ...ENGLISH INSTRUCTION MANUAL ...

Страница 2: ...PERATION OF THE SEWING MACHINE 22 5 1 Pedal Operation 22 5 2 Hand lifter 22 5 3 Adjusting the pressure of the presser foot 23 5 4 Micro lifter 23 5 5 Thread tension release changeover when using the knee lifter 24 5 6 One touch manual reverse feed One touch reverse feed type 24 6 MAINTENANCE 25 6 1 Changing procedure to bottom feed and the adjustment 25 6 2 Changing procedure to needle feed and th...

Страница 3: ...ACHINE OIL 7 Workplace related noise at sewing speed n 2 700 min 1 Lpa 85 dB A Noise measurement according to DIN 45635 48 A 1 Model name Application Hook Thread trimmer Separately driven needle bar mechanism Max sewing speed Needle Gauge size Lift of presser foot Lubrication Noise LH 3568 with incorporating corner stitching LH 3568 7 with automatic thread trimmer incorporating corner stitching Fo...

Страница 4: ...only 2 Thread take up cover 3 Finger guard 4 Thread tension controller 5 Control box 6 Pedal 7 Knee pad 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 0 2 3 6 5 8 7 4 9 2 4 3 5 1 1 ...

Страница 5: ... 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 6: ...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 7: ...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 8: ...the needle 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 ...

Страница 9: ...replace the oil gathered in the oil tank and the under cover Put the cap 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 ...

Страница 10: ... an 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 d...

Страница 11: ...amount increases 1 4 4 Oil in the feed box When 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 4 3 Adjusting the amount of oil in the hook 1 WARNING To protect against possible personal injury due to abrupt start of t...

Страница 12: ...d is once in 2 to 3 years In case of the sewing machines with thread trimmer LH 3528 7 and 3568 7 when the time of grease up has come the warning alarm sounds When the alarm sounds perform the grease up LH 3528 LH 3528 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 mo...

Страница 13: ...ich 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 LH 3568 7 Common A Thread take up lever oil wick Felt Needle bar bracket Face plate lubrication felt Needle bar Square block ...

Страница 14: ...d place For the grease applying place refer to 4 5 Applying grease p 10 and 11 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 15: ...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 personal injury d...

Страница 16: ...es under the tension spring 3 Pass thread through another thread slit 2 then pass it through thread slit 3 on the bobbin case from the inside 4 Put the thread on bobbin threads slack preventer spring 4 1 2 4 3 LH 3528 3528 7 1 LH 3568 3568 7 LH 3528 3528 7 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...

Страница 17: ...taining 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 as follows Fig C for polye...

Страница 18: ...in thread tension Turn tension adjusting screw 2 clockwise to increase or counterclockwise to reduce the bobbin thread tension 4 11 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 19: ... asm 6 to the left 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 make sure that thread tension disks 1 and...

Страница 20: ...arker 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 marker line B to the bot...

Страница 21: ...ing shaft saddle 4 to the right or left to adjust so that a clearance of 0 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 mentioned sta...

Страница 22: ... 2 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 timi...

Страница 23: ...ole 4 on the left side 4 16 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 24: ...es 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 part of the pedal is lightly depressed D and t...

Страница 25: ... 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 26: ...hread 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 immedia...

Страница 27: ... which is located on the opposite side at 180 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 Then fix screw No 2 3 which is put in screw ho...

Страница 28: ...hich is put in screw hole C and put it in screw hole A which is located on the opposite side at 180 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 driving shaft The...

Страница 29: ...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 and set the clearance between the inner hook guide and protrusion A of the bobbin case to 0 2 to 0 3 mm Bend inward Bend outward 0 to 0 1mm 0 2 to 0 3m...

Страница 30: ...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 31: ...aft gear moves as well and needle to hook timing does not shift 5 Set the clearance between the needle and the blade point of hook to 0 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 hook driving shaft gear 3 comes in contact with hook shaft saddle 1 Then tighten screws No 2 Sewing machine with thread trimmer Make driving arms 7 and...

Страница 32: ...pring 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 LH 3528 7 LH 3568 7 only 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 t...

Страница 33: ...comes the dimension as shown in the list below 3 Set clearance D between moving knife 3 and the inner hook to 0 3 0 1 mm when moving knife 3 works Loosen moving knife setscrews 6 and 7 and adjust the clearance LH 3528 7 LH 3568 7 B Left 4 3 3 5 C Right 2 2 2 7 Operator s side 1 A 2 B 4 4 3 4 D 6 7 3 2 2 C WARNING To protect against possible personal injury due to abrupt start of the machine be sur...

Страница 34: ...at the clearance between the top end of needle 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 du...

Страница 35: ... stitches is 3 3 16 gauge 3 stitches 3 stitches 90 6 11 Replacing the bobbin thread slack preventer sprlng For LH 3568 3568 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 in the bob...

Страница 36: ...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 37: ...459 22627558 22627657 22627756 Needle gauze size Presser foot asm 22647051 22647150 22647259 22647358 22647457 22647556 Tape attaching A B C D E F G H K W L M N P Q R S T U 3 32 1 8 5 32 3 16 7 32 1 4 9 32 5 16 3 8 7 16 1 2 5 8 3 4 7 8 1 1 1 8 1 1 4 1 3 8 1 1 2 2 4 3 2 4 0 4 8 5 6 6 4 7 1 7 9 9 5 11 1 12 7 15 9 19 1 22 2 25 4 28 6 31 8 34 9 38 1 A F S G Lower feed 22625008 22625107 22625206 226253...

Страница 38: ...og A B C D E F G H K W L M N P Q R S T U 3 32 1 8 5 32 3 16 7 32 1 4 9 32 5 16 3 8 7 16 1 2 5 8 3 4 7 8 1 1 1 8 1 1 4 1 3 8 1 1 2 2 4 3 2 4 0 4 8 5 6 6 4 7 1 7 9 9 5 11 1 12 7 15 9 19 1 22 2 25 4 28 6 31 8 34 9 38 1 A F S G Lower feed 23205107 23205305 23205503 22848105 22848303 22848402 22848501 40035875 40026027 40026029 40026031 40026033 40026035 40026037 40026039 40026041 40026043 40026045 400...

Страница 39: ...94 40025831 40025833 40025838 Needle gauze size Throat Plate Needle clamp asm Feed dog B C D E F G H K W L M N P Q R S 1 8 5 32 3 16 7 32 1 4 9 32 5 16 3 8 7 16 1 2 5 8 3 4 7 8 1 1 1 8 1 1 4 3 2 4 0 4 8 5 6 6 4 7 1 7 9 9 5 11 1 12 7 15 9 19 1 22 2 25 4 28 6 31 8 S G 40035896 40035897 22640353 22640452 22640551 22640759 22640858 22640957 22641252 22641351 22641450 22641658 22641757 22641856 2264195...

Страница 40: ... 16 7 32 1 4 9 32 5 16 3 8 1 2 5 8 3 4 3 2 4 0 4 8 5 6 6 4 7 1 7 9 9 5 12 7 15 9 19 1 S G 40025784 40025785 40025786 40025787 40025788 40025789 40025790 40025792 40025793 B1613512D0H B1613512F0H B1613512K0H B1613512N0H 40025801 40025803 40025806 40025810 40035896 40035897 22640353 22640452 22640551 22640759 22640858 22640957 22641252 22641351 22816557 22816755 22817050 40033947 Needle gauze size F...

Страница 41: ...7 32 1 4 9 32 5 16 3 8 1 2 5 8 3 4 7 8 1 1 1 8 1 1 4 3 2 4 0 4 8 5 6 6 4 7 1 7 9 9 5 12 7 15 9 19 1 22 2 25 4 28 6 31 8 S G 40035890 40025817 40025818 40025819 40026715 40025820 40025821 40025822 40025824 40025825 40035891 40035892 40035893 40035895 40025831 40025833 40025836 40025840 40035896 40035897 22640353 22640452 22640551 22640759 22640858 22640957 22641252 22641351 22816557 22816755 228170...

Страница 42: ...ust the tension components on the bobbin winder TROUBLES 1 Thread breakage Thread is untwisted or scraped Needle thread 2 to 3 cm is left on the wrong side of the fabric 2 Stitch skipping 3 Loose stitch CAUSES 1 There is a sharp edge or burr on the thread path needle point hook blade point or bobbin case resting groove on the throat plate 2 Needle thread tension is too high 3 Bobbin case opening l...

Страница 43: ...tor 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 For the machine with thread trimmer Use M type 43 inch belt MTJVM00430A for SC 500 50Hz 3000 2790 2580 2370 60Hz 3000 2740 LH 3528 LH 3568 Part No MTKP0070000 MTKP0065000 MTKP0060000 MTKP0055000...

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