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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for DN-260

Page 1: ...A MITSUBISHI INDUSTRIAL SEWING MACHINE Model DN 260 classes INSTRUCTION FOR OPERATION MANUAL From the library of Superior Sewing Machine Supply LLC ...

Page 2: ... plate right 23 14 Needle clamp 24 15 Slide plate front 25 16 Hook saddle right 26 17 Throat plate 27 18 Hook saddle left 28 19 Slide plate left 29 20 Presser foot Needle bar Presser bar Thread guide lower Thread guide middle Face plate Thread guide upper Pre tension Feed reverse lever Thread take up lever How to install and adjust the knee lifter Roller complete Lifting rod 28mm 33 5mm I j Knee l...

Page 3: ...out sew ing keep the presser foot raised Adjustinent Strength of winding Particularly in case of nylon or tetoron thread It is desirable that the bobbin is wound enough loose Uneven winding In case of uneven winding adjust the thread guide slightly toward the less wound part of bobbin so that to obtain even winding Winding amount of thread When the winding amount of thread is ex cessive loosen the...

Page 4: ...g Caution NEVER depress the button while the machine is running To change the direction of feed for back tacking depress feed reverse lever to lowest position until back tack is com pleted o Mark Balance wheel Stitch regulating button Feed reverse lever Raise the thread take up lever to its highest position and thread the upper thread in the following order r Right to left Left to right L7 L5 L3 L...

Page 5: ...e or the tension of the lower thread is tight cx The tension of the upper thread is too tight or the tension of the lower thread is too loose Upper thread tension Upper thread is adjusted according to the lower thread tension Upper thread tension is adjusted by tension regulating thumb nut For special fabric sewing with special thread the desired tension can be ob tained by adjusting the strength ...

Page 6: ...e 2 Needle Needle bent Wrong attached needle Thread too big for the needle size Change the needle with new one See No 2 of skip stitching Either change with proper size thread or with proper needle Thread cuts 3 Upper thread tension too strong Dust deposit between tension discs Excessive or uneven winding of lower thread on the bobbin Dust deposit in bobbin case Damaged thread tension on bobbin ca...

Page 7: ...filler hole Lubrication 2 The volume of lubrications 5 6 drops Open slide ptate and apply oil to all wicks r just under the slide plate fWi Oil indicator 2 Adjustment of rotating hook oil flow regulator 3 Hook saddle oil tank left to right Oil gauge m Oil filler hole VOi gauge Adjusting l Decrease Adjusting o oj jo I o Hook Hook 1 Nut screw saddle saddle From the library of Superior Sewing Machine...

Page 8: ... 000 s p m 3 000 s p m Rotary hook regular size regular size large size large size Max stitch length 5mm 5 s p i same same same Needle bar stroke 33 4mm 1 5 16 33 4mm 1 5 16 35mm 1 3 8 3bmm 1 3 8 Presser foot lift 7 2mm 9 32 same same same Space at right of needle 245mm 9 11 16 same same same Needle l35x7 DPx7 5 14 5 16 same same same Reverse lever equipped equipped Type of table hinges DN Type sa...

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