JUKI DDL 552 Instruction Book Download | Manualshive

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From the library of: Superior Sewing Machine & Supply LLC

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Summary of Contents for DDL 552

Page 1: ...MODEL DDL 552 553 555 HIGH SPEED SINGLE NEEDLE LOCK STITCH INDUSTRIAL SEWING MACHINE Instruction Book TOKYO JUKI INDUSTRIAL CO ITD From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...st the functions of these efficient machines and enjoy everlasting pleasure of using these machines SPECIFICATIONS DDL 552 DDL 553 DDL 555 Sewing type Single needle lock stitch Usage General fabric Medium heavy weight material Medium heavy and heavy weight material General fabric Medium heavy weight material Sewing speed Up to 5 500 s p m Normal speed 5 000 s p m Up to 4 300 s p m Up to 5 500 s p ...

Page 3: ...bobbin thread tension 7 Presser foot and feed dog 8 Adjusting the pressure of the presser foot 8 The presser foot hand lifter 8 Height of the feed dog 8 The stitch length 9 Adjusting the stitch length DDL 552 553 9 Adjusting the stitch length DDL 555 9 Reverse sewing DDL 555 9 Inserting theneedle Installing andremoving thesewing hook Relation between thehookandtlieneedle Adjusting theheight of the...

Page 4: ...ted directly to the power source Use a M type V belt The relation between the number of rotation of the machine with the dimension of the motor pulley is shown in the table Effective diameter The effective diameter of the motor pulley means the diameter as measured from the center of the V belt when the belt is wound around the machine Model Cycle No of rotation of machine Part No of motor pulley ...

Page 5: ...he machine 1 Fill up the oil reservoir with JUKI New Defrix Oil No 1 up to the mark HIGH 2 Watch and see that the oil level does not go below the LOW mark Oil sight window 3 Under normal conditions when the machine is run after it is filled up with oil the oil will spurt against the oil sight window Caution 1 When the oil gets dirty change it with new fresh oil If the oil plug of the reservoir is ...

Page 6: ... the oil amount gets more Caution The oil amount does not change Immediately after the adjustment so when adjusting have this in miiid 2 The oil adjusting pin 1 2 The oil adjusting pin has a carved groove as shown in the figure When this groove and the oil hole of the main shaft come together the oil amount gets more When the groove is at the oppositeside of the oil hole the oil amount gets less T...

Page 7: ...hread take up to the highest position 1 Pass the needle thread in the order shown by the flgure 2 Pass the thread to the needle eye from left to right 3 Pull out about 10 cni 4 of the thread from the needle eye U 5 From the library of Superior Sewing Machine Supply LLC ...

Page 8: ...nder to the table with screws 2 Pass the thread in the order shown in the figure and wind it around the bobbin several times 3 Knock down the trip latch and contact the pulley to the belt 4 Adjust the winding amount by the winding adjustingscrewso that about 80 is wound 5 When the thread is wound unevenly move the thread tension disc base to left and correct to even winding condition 6 When the wi...

Page 9: ... To change the strength of the thread take up spring 1 Loosen the set screw remove the thread tension bar 2 Loosen the thread tension bar set screw and adjust 3 When the thread tension bar is turned to right the spring will get stronger and if turned to left it will get weaker Thread tension bar set screw Thread tension nut Ehreadtake upspringy Movingrange Tl adtension bar bracket set screw Adjust...

Page 10: ...The presser foot will go up about 5 mm 13 64 and stops 3 To lower the presser foot activate the knee lifter once and the presser foot will come down to the original position 4 With the knee lifter the presser foot will go up about 10 mm 25 64 Height of the feed dog The height of the feed dog from the surface of the throat plate is set from0 7 0 8mm l 32 In sewing light weight materials if this hei...

Page 11: ...utton returns to the original position The maximum stitch length for DDL 552 is 6 s p i and for DDL 553is 5 5 s p i Reverse sewing can not be done Caution Do not touch the button while the machine is running DOL 555 The stitch length of this model can be adjusted by rotating the feed adjusting dial on top of the feed lever The figures on the graduation scale is shown in millimeter mm 1 Rotate the ...

Page 12: ... SEWING HOOK r Set screw Bobbin case positioning finger screw During the running of the machine if thread hards get into the hook or the position of the hook changes for some reason or to exchange the hook with a new one do as follows in order 1 Rotate the hand wheel and bring the needle bar to the highest position 2 Remove the bobbin case and the needle 3 Remove the bobbin case base positioning f...

Page 13: ...et the feed adjusting dial to 0 Determine the height of the needle bar 3 Match the upper carved line of the needle bar with the lower edge of the needle bar lower bushing 4 Tighten the needlebar clamping set screw Determine the position of the sewing hook 5 Loosen the 3 clamping screws of the hook so that the hook can be rotated freely with the hand 6 Place the hook with your hand to the thread pa...

Page 14: ... 1 When sewing heavy weight materiab move the thread guide to your left The thread take up amount of the take up gets more 2 When sewing light weight materials move the thread guide to your riglit The thread take up amount gets less ADJUSTING THE PRESSING PRESSURE OF THE FEED LEVER DDL 555 The reversing spring of the feed lever is strengthened somewhat so that at high speed sewing no matter what k...

Page 15: ...Head Office Plant 2 1 8 chome Kokuryo cho Chofu shi Tokyo Japan Business Office 23 Kabuki cho Sftiniuku ku Tokyo Japan Cable Address JUKI TOKYO Telex 232 2301 JUKISINJUK U TOK BEB Printed in Japan From the library of Superior Sewing Machine Supply LLC ...

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