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Summary of Contents for Mitsubishi Electric LS2-1130
- Page 1 HIGH-SPEED SINGLE-NEEDLE LOCKSTITCH INDUSTRIAL SEWING MACHINE MODEL LS2-1130 INSTRUCTION MANUAL A180E277P03...
- Page 2 INTRODUCTION Thank you very much for purchasing Mitsubishi industrial sewing machine. Please read this instruction manual before operating the sewing machine. Please read also “Safety Manual” , “Instruction manual for Mitsubishi Limiservo X” and operate the sewing machine correctly and safely. PRECAUTION BEFORE STARTING OPERATION Safety Precautions 1 . When turning the power on, keep your hands and fingers away from the area around/ under the needle and the area around the pulley. 2 . The power must be turned off when the machine is not used, or when the operator leaves his/her seat. 3 . The power must be turned off before tilting the machine head, installing or removing the “V” belt, adjusting the machine, or replacing parts. 4 . Avoid placing fingers, hairs, obstacles, etc. near the pulley, “V” belt, bobbin winder wheel, or motor when the machine is in operation. Injury could result. 5 . Don’t put fingers into the thread take-up lever cover, around/under the needle, or pulley when the machine is in operation. 6 . If the belt cover, the finger guard, and/or the eye guard are installed, don’t operate the machine without these safety devices.
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Page 3: Table Of Contents
CONTENTS USAGE PRECAUTION ……………………………………………… 1 1 Lubrication (1) ………………………………………………………………………… 1 2 Lubrication (2) ………………………………………………………………………… 1 3 Lubrication condition … ……………………………………………………………… 1 4 Adjustment of lubrication to the rotating hook ………………………………… 1 5 Adjustment of the oil pump … ……………………………………………………… 1 6 Periodical cleaning …………………………………………………………………… 2 7 Installation of the belt cover ……………………………………………………… 2 8 Precaution on operation …………………………………………………………… 2 HOW TO USE ………………………………………………... -
Page 4: Usage Precaution
USAGE PRECAUTION 1 Lubrication (1) 3 Lubrication condition Fill the oil reservoir with oil up to “H” line. Check that the oil splashed the oil sight window. Oil level should be periodically checked. If oil level is found below “L” line replenish oil to “H” line. Oil sight window For oil, use “MC70M” specified by Mitsubishi. ※ Refer MC70M ： Specific gravity (15℃ ) = 0.86 (g/cm ：Viscosity (40℃ ) = 10.9 (mm Knee lifter pin 4 Adjustment of lubrication to the rotating hook Drain oil screw Adjust the lubrication amount of the rotating hook Ⓗ... -
Page 5: Periodical Cleaning
USAGE PRECAUTION 6 Periodical cleaning 1 . Machine ● R emove the throat plate and ● L ean the machine head and ● L ean the machine head and clean the feed dog. Reassembly clean the hook and remove remove any dust and/or lint on should be done by screwing in any dust and/or lint inside the the oil pump screen. the screw 2-3 rotations by hand bobbin case. at first, then tightening them evenly using a long-shafted screwdriver. Hook Feed bar Hook Oil pump screen Feed dog 2 . Motor Remove dust from the motor filter every one or two months. (Continued operation with the filter clogged with lint or dust may overheat the motor.) 3 . Control Box Remove dust from the connector. (If the connector is covered with dust, the machine might malfunction.) 7 Installation of the belt cover... -
Page 6: How To Use
HOW TO USE 1 Installation of the needle Note: Before installing the needles, be sure to turn off the power. Both needles DP × 17 and Insert the needle upto the bottom of Insufficient insertion Needle distorted needle clamp and tighten the screw DB × 1 can be used. keeping the long groove side facing Use the timing marks as to the left. shown in the figure. Long groove Timing mark left side for DB×1 Timing mark for DP×17 Note：If thread snapping occurs during reverse sewing with polyester threads, it may be avoided by fitting the needle Needle bar... -
Page 7: Threading Of The Needle Thread
HOW TO USE 3 Threading of the needle thread With the thread take-up lever located at the upper most position, pass the needle thread in the order shown in the following figure. ① ① ② ⑦ ② ⑧ ⑥ ⑨ ③ ④ ⑩ ⑤ ⑪ Thread ⑥ ⑧ ④ ③ ⑤ 4 Adjustment of feed (stitch) length and backstitch ● A djustment of feed (stitch) length…Adjust feed length by turning the feed length setting dial Feed length ... -
Page 8: Adjustment Of The Needle Thread Tension
HOW TO USE 6 Adjustment of the needle thread tension ● T he needle thread tension should be adjusted on the basis of the bobbin thread tension. Thread tension nut ● A djust the needle thread tension by turning the thread tension nut. Tighten The needle thread tension can be also adjusted Loosen by changing intensity and movable range of the thread take-up spring in case of sewing the special fabric and thread. 7 Adjustment of the bobbin Tighten Loosen thread tension Screw Ⓐ ● T he bobbin thread tension can be adjusted by Thread tension spring turning the screw Ⓐ. 8 Adjustment of the presser foot pressure Pressure adjusting screw... -
Page 9: Specifications
SPECIFICATIONS LS2-1130 Specifications Model LS2-1130-M0B LS2-1130-H0B LS2-1130-B0B Specifications Application Medium-heavy Heavy Heavy Max. sewing speed (rpm) 4500 3500 Stitch length (mm) 0 to 5 0 to 7 Needle bar stroke (mm) 30.5 35.0 Thread take-up lever stroke (mm) 61.3 72.0 Feed dog height (mm) 1.0 Hand Presser foot stroke (mm) Knee Needle DB × 1 #14 DB × 1 #22 Hook (vertical rotating hook) Standard Standard for heavy Large Lubrication system Automatic lubrication Bed dimensions (mm) 475 × 178 Note: ● T he bobbin should be of high quality free from deformation. - Page 12 Printed in Japan...