Mitsubishi Electric LU-ST KIT Instruction Manual

Lockstitch compound-feed automatic undertrimmer

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LOCKSTITCH COMPOUND-FEED AUTOMATIC UNDERTRIMMER
INDUSTRIAL SEWING MACHINE
Attachment
MODEL
LU-ST KIT
INSTRUCTION MANUAL
Short Thread Tail Device for LU2-4410
A180E547P03
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Summary of Contents for Mitsubishi Electric LU-ST KIT

  • Page 1 LOCKSTITCH COMPOUND-FEED AUTOMATIC UNDERTRIMMER INDUSTRIAL SEWING MACHINE Attachment MODEL LU-ST KIT INSTRUCTION MANUAL Short Thread Tail Device for LU2-4410 A180E547P03...
  • Page 2: For Your Safety

    Control box LU-ST KIT LU2-4410-B1T-CS XC-GMFY * A sewing machine made in before April 1995 doesn’t correspond to LU-ST KIT. 3. Specification 1. Max. stitch length is limited to 8mm. 2. The air inlet diameter is 8mm. 3. The air regulator and branch device are not enclosed with this kit and must be prepared by the user.
  • Page 3 4.Component Parts LU-ST KIT is composed under mentioned parts. (Fig No. corresponds to following figures.) Please specify (M…) by the part number for a service parts when you order. Fig No. Parts No. Description Amt. Req. MP69A0104 Feed dog MP69A0838...
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  • Page 5 5. Installation procedure of LU-ST KIT 5.1 Exchange of thread trimmer cam. (1) Lean the sewing machine backwards. (2) Loosen the screw of bush (R01). (3) Loosen the screw of bush (R02). (4) Loosen the screw of feed cam (R03).
  • Page 6 5.2 Installation of air cylinder assembly. (1) Remove the snap pin (R12), remove the knee lifter connecting rod (R14) from the knee lifter crank assy (R13). (2) Remove the rubber plug (R15). (3) Remove the back cover (D02). (4) Loosen the two screw (R17) of the feed regulator cam (R16) seen when the rubber plug (R15) and the back (D02) cover are removed.
  • Page 7 (7) Match the back cover (114) to arm and tighten the screw on the left of the back cover (114) loosely. (8) Take out the driving link (115) from the groove of the back cover (114). (Pull the knuckle to the point in the under.) (9) Fix the groove in the point of the driving (115) link into the pin between nylon washer and nylon washer.
  • Page 8 5.4 Installation of solenoid valve (1) Connect the urethane tube (104) with elbow unions of air cylinder assembly (108). (2) Install solenoid value assembly (121) on the place where urethane tube (104) and under the table reach. (3) Connect the upper part of elbow unions installed on the air cylinder assembly (108) with A port of the solenoid valve assembly (121) by the urethane tube (104).
  • Page 9 6. Adjustment of thread trimmer cam Refer to “Adjusting of thread trimmer cam” of instruction manual for LU2-4410. 7. Timing between rotating hook motion and needle motion Refer to “Adjusting of timing between rotating hook motion and needle motion” of the instruction manual for LU2-4410.
  • Page 10 9. Adjusting of the stitch length before trimming Depending on sewing conditions, the stitch immediately before trimming may not be formed correctly. This may cause the trimmed tail length to be long. In this case, adjust the length of the stitch immediately before the trimming position to ensure that a proper stitch is formed.
  • Page 11 MEMO...
  • Page 12 Printed in Japan...