KANSAI SPECIAL MZ Series Instructions Manual
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KANSAI SPECIAL MZ Series Instructions Manual

Industrial sewing machines
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INSTRUCTION
Industrial Sewing Machines
First published : May 1997
No. 970049

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Summary of Contents for KANSAI SPECIAL MZ Series

  • Page 1 INSTRUCTION Industrial Sewing Machines First published : May 1997 No. 970049...
  • Page 2 INTRODUCTION INTRODUCTION INTRODUCTION Thank you for your purchasing Kansai Special's MZ Series. Read and study this instruction manual carefully before beginning any of the procedures and save it for later use. This instruction manual describes adjustments and maintenance procedures on this machine.

  • Page 3: Table Of Contents

    CONTENTS CONTENTS CONTENTS CONTENTS 1. NEEDLES & THREADING THE MACHINE 10. STITCH FORMATION 1-1 Needles 10-1 Position of the needle thread guides ･･････････････････････････････････ ･･････ 1-2 Replacing the needle 10-2 Position of the thread guide on the needle ･･････････････････････ 1-3 Threading the machine thread take-up ･･･････････････････...

  • Page 4: Needles & Threading The Machine

    【1】NEEDLES & THREADING THE MACHINE 1 1 1 1 - - - - 1 Needles 1 Needles 1 Needles 1 Needles UY128GAS of Schmetz or Organ Select the proper needle for the fabric and thread. < Needles and needle size > Schmetz Nm65 Nm70...

  • Page 5: Machine Speed

    【2】MACHINE SPEED 2 2 2 2 - - - - 1 Machine speed & direction in which the ma 1 Machine speed & direction in which the ma 1 Machine speed & direction in which the ma 1 Machine speed & direction in which the machine pulley runs chine pulley runs chine pulley runs chine pulley runs...

  • Page 6: Lubrication

    3 3 3 3 - - - - 1 Oil 1 Oil 1 Oil 1 Oil Use Kansai Special’s genuine oil. (Part No. 28-613 : 1000cc) 3 3 3 3 - - - - 2 Oiling 2 Oiling 2 Oiling 2 Oiling ■...

  • Page 7: Sewing Machine Installation

    【4】SEWING MACHINE INSTALLATION 4 4 4 4 - - - - 1 Cutting the machine table 1 Cutting the machine table 1 Cutting the machine table 1 Cutting the machine table ■Hole A shown below is for installing the electric presser foot lift.

  • Page 8: Installing The Machine

    4 4 4 4 - - - - 2 Installing the machine 2 Installing the machine 2 Installing the machine 2 Installing the machine The MZ Series is available in two kinds of installations, non-submerged and semi-submerged. ■Non-submerged installation Install the machine correctly by referring to the illustration.

  • Page 9: Timing Of The Looper To The Needles

    【5】TIMING OF THE LOOPER TO THE NEEDLE 5 5 5 5 - - - - 1 Angle and height for installing the looper 1 Angle and height for installing the looper 1 Angle and height for installing the looper 1 Angle and height for installing the looper To obtain the proper angle and height, insert the looper fully into looper holder A and then tighten screw B.

  • Page 10: Needle Height

    5 5 5 5 - - - - 4 Needle height 4 Needle height 4 Needle height 4 Needle height The point of the looper should be 0.8~1.2mm above the top of the left needle's eye on the back side of the needle when the point of the looper has reached the center of the left needle with the machine pulley turning in the operating direction (see 5-2).

  • Page 11: Changing The Looper Orbit

    5 5 5 5 - - - - 6 Changing the looper orbit 6 Changing the looper orbit 6 Changing the looper orbit 6 Changing the looper orbit When the looper moves around the needles, the point of the looper on 2-needle and 3-needle machines barely touches the right needle and the clearance between the point of the looper and the left needle is approximately 0.2~0.3mm.

  • Page 12: Changing The Amount Of The Looper Front-To-Back Movement

    5 5 5 5 - - - - 7 Changing the amount of the looper front 7 Changing the amount of the looper front 7 Changing the amount of the looper front 7 Changing the amount of the looper front- - - - to to to to- - - - back movement back movement back movement back movement...

  • Page 13: Front And Rear Needle Guards

    【6】FRONT AND REAR NEEDLE GUARDS 6 6 6 6 - - - - 1 Position of the needle guard (rear) 1 Position of the needle guard (rear) 1 Position of the needle guard (rear) 1 Position of the needle guard (rear) ■To adjust the height of the needle guard (rear), align the top of the right needle's eye with line A on the needle guard (rear) when the needle bar is at the...

  • Page 14: Position Of The Needle Guard (Front)

    6 6 6 6 - - - - 2 Position of the needle guard (front) 2 Position of the needle guard (front) 2 Position of the needle guard (front) 2 Position of the needle guard (front) ■The needle guard (front) should be 1.5~2mm above the point of the left needle when the point of the looper has reached the center of the left needle.

  • Page 15: Spreader

    【7】SPREADER 7 7 7 7 - - - - 1 Position of the spreader 1 Position of the spreader 1 Position of the spreader 1 Position of the spreader ■Height The distance between the top surface of the needle plate and the bottom surface of the spreader should be 9~11mm.

  • Page 16: Timing Of The Spreader

    7 7 7 7 - - - - 3 Timing of the spreader 3 Timing of the spreader 3 Timing of the spreader 3 Timing of the spreader The timing of the spreader is factory-set by referring to the previous procedure (see 7-2). Adjust according to the thread to be used or other conditions.

  • Page 17: Stitch Length

    8 8 8 8 - - - - 2 Stitch length 2 Stitch length 2 Stitch length 2 Stitch length The stitch length can be adjusted from 1.4 to 4.2mm with no step. The following table shows the stitch length with the number of stitches within 1 inch (25.4mm) and 30mm.

  • Page 18: Presser Foot

    【9】PRESSER FOOT 9 9 9 9 - - - - 1 Presser foot pressure 1 Presser foot pressure 1 Presser foot pressure 1 Presser foot pressure The presser foot pressure should be as light as possible, yet be sufficient to feed the fabric and produce uniform stitches.

  • Page 19: Stitch Formation

    【10】STITCH FORMATION 10- - - - 1 Position of the needle thread guides 1 Position of the needle thread guides 1 Position of the needle thread guides 1 Position of the needle thread guides The distance from the center of the eyelet of the needle thread guide to that of the set screw should be approximately 17.5mm (see the illustration).

  • Page 20: Position Of The Needle Thread Guard

    10- - - - 4 Position of the needle thread guard 4 Position of the needle thread guard 4 Position of the needle thread guard 4 Position of the needle thread guard When the needle bar is at the bottom of its stroke, the center of the eyelet of thread guide A should be level with the top surface of needle thread guard B.

  • Page 21: Position Of The Looper Thread Take-Up

    10- - - - 7 Position of the looper thread take 7 Position of the looper thread take 7 Position of the looper thread take 7 Position of the looper thread take- - - - up When the point of the left needle descending to the back side of the looper has reached 0~0.5mm above the bottom surface of the looper blade while the looper is moving to the right from the extreme left end of its travel, the looper thread should be removed properly from position B on the looper thread take-up.

  • Page 22: To Place The Timing Belt

    1 1 1 1 1 1 1 1 - - - - 3 To place the timing belt 3 To place the timing belt 3 To place the timing belt 3 To place the timing belt Install the timing belt, bearing, plates, timing pulley, pulley and cover by performing the reverse procedure of 13-2 (3).

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