Janome SEW MINI DELUX Service Manual
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Janome SEW MINI DELUX Service Manual

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SERVICE MANUAL
SEW MINI DELUX

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Summary of Contents for Janome SEW MINI DELUX

  • Page 1 SERVICE MANUAL SEW MINI DELUX...

  • Page 2: Table Of Contents

    CONTENTS SERVICE ACCESS (1) FACE COVER ........................1 SERVICE ACCESS (2) FRONT COVER ......................... 2 ADJUSTING THREAD TENSION ..................3 ADJUSTING NEEDLE DROP POSITION ................4 ADJUSTING NEEDLE SWING ..................... 5 ADJUSTING NEEDLE TO HOOK TIMING ................6 ADJUSTING CLEARANCE BETWEEN NEEDLE AND HOOK POINT ........ 7 ADJUSTING NEEDLE BAR HEIGHT ...................

  • Page 3: Service Access

    Sew Mini SERVICE ACCESS (1) FACE COVER Remove the face cover by removing the setscrew (A). Face cover...
  • Page 4 Sew Mini SERVICE ACCESS (2) FRONT COVER TO REMOVE Remove the face cover. Pull out the dial and remove the set screws (A) - (E). Loosen the set screws (F) - (G). Remove the front cover. NOTE: Do not remove the set screws (H). TO ATTACH Follow the above procedure in reverse.

  • Page 5: Adjusting Thread Tension

    Sew Mini ADJUSTING THREAD TENSION TO CHECK The standard upper thread tension should be 75 - 90g when pulling the thread (polyester thread #50) with setting the tension dial at “4”. (Make sure the foot should be lowered.) If the tension is out of the standard range, adjust it as follows: TO ADJUST 1.

  • Page 6: Adjusting Needle Drop Position

    Sew Mini ADJUSTING NEEDLE DROP POSITION The clearance between the needle and side edges of the needle hole should be 0.2 mm or more when the maximum width zigzag stitch ( ) is selecte. And the neddle should drop in the center of the needle hole when the straight stitch is ( selected.

  • Page 7: Adjusting Needle Swing

    Sew Mini ADJUSTING NEEDLE SWING TO CHECK Adjust the needle swing according to the following procedure, if the needle bar starts mov- ing sideways while the needle is in the fabric when sewing the zigzag pattern ( ) (with maximum zigzag width). TO ADJUST Remove the front cover.

  • Page 8: Adjusting Needle To Hook Timing

    Sew Mini ADJUSTING NEEDLE TO HOOK TIMING The amount of ascending travel of the needle from the right lowest position to where the hook point meets the right side of the needle should be 1.7 to 2.3mm in the maximum width zigzag stitch ( TO ADJUST Select the maximum width zigzag stitch (...

  • Page 9: Adjusting Clearance Between Needle And Hook Point

    Sew Mini ADJUSTING CLEARANCE BETWEEN NEEDLE AND HOOK POINT The standard clearance between the needle and hook point should be -0.10 to +0.05 mm. TO ADJUST 1. Select the maximum width zigzag stitch ( 2. Remove the presser foot, needle plate (A) and bobbin holder (B). 3.

  • Page 10: Adjusting Needle Bar Height

    Sew Mini ADJUSTING NEEDLE BAR HEIGHT The standard distance between the upper edge of the needle eye and the upper surface of the hook race should be in the range of 2.7 - 3.3mm when the hook point meets the right side of the needle in its ascending travel from the right lowest position of the maximum width zigzag stitch NOTE: Before performing this adjustment, check the needle to hook timing.

  • Page 11: Adjusting Stitch Length

    Sew Mini ADJUSTING STITCH LENGTH When select the maximum stitch ( ), stitch length should be 3.0mm. TO ADJUST 1. Set the pattern selector dial at maximum stitch length ( 2. If the stitch length is longer than 3.0mm, turn the adjusting screw in the direction (A). If the stitch length is shorter than 3.0mm, turn the adjusting screw in the direction (B).

  • Page 12: Disengagement Of Cam Follower

    Sew Mini DISENGAGEMENT OF CAM FOLLOWER TO CHECK Too narrow clearance between the cam follower and the top convex of zigzag cam may often cause difficulty in turning of the pattern selector dial, or can not correct pattern. 1. Set the pattern selector dial at " ".

  • Page 13: Adjusting Motor Belt Tension

    Sew Mini ADJUSTING MOTOR BELT TENSION The correct motor belt tension is when the deflection of motor belt is about 7mm - 9mm. (When pushing the motor belt by finger with a 100 gram load.) TO ADJUST Remove the face cover and front cover. Loosen the setscrews (A) and (B) and adjust the deflection.

  • Page 14: Setting Position Of Parts On Upper And Lower Shaft

    Sew Mini SETTING POSITION OF PARTS ON UPPER AND LOWER SHAFT The setting positions of the parts on the lower shaft are as shown below. The setting angle of the upper shaft bevel gear setscrew (A), lower shaft bevel gear setscrew (B) and the feed cam (C) setting mark should be at the top when needle bar comes to it’s lowest position.

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