CONTENTS
TROUBLESHOOTING .................................................................................................. 1 - 3
SERVICE ACCESS (1) FACE COVER, BELT COVER ..................................................... 4
SERVICE ACCESS (2) BASE PLATE .............................................................................. 5
SERVICE ACCESS (3) FRONT COVER .......................................................................... 6
SERVICE ACCESS (4) REAR COVER ............................................................................ 7
TOP TENSION .................................................................................................................. 8
BOBBIN TENSION ............................................................................................................ 9
PRESSER BAR HEIGHT AND ALIGNMENT .................................................................. 10
NEEDLE SWING ............................................................................................................. 11
NEEDLE DROP ............................................................................................................... 12
CLEARANCE BETWEEN NEEDLE AND HOOK (ADJUSTMENT METHOD NO.1) ....... 13
CLEARANCE BETWEEN NEEDLE AND HOOK (ADJUSTMENT METHOD NO.2) ....... 14
FEED DOG HEIGHT ....................................................................................................... 15
NEEDLE BAR HEIGHT ................................................................................................... 16
NEEDLE TIMING TO SHUTTLE ...................................................................................... 17
BUTTONHOLE FEED BALANCE .................................................................................... 18
FEED BALANCE ON STRETCH STITCH ....................................................................... 19
BARTACK FEED OF BUTTONHOLE .............................................................................. 20
DISENGAGEMENT OF CAM FOLLOWER ..................................................................... 21
MOTOR BELT TENSION ................................................................................................. 22
WIRING ........................................................................................................................... 23
PARTS LIST ............................................................................................................. 24 - 41