CONTENTS
WHAT TO DO WHEN ............................................................................................ 1~3
SERVICE ACCESS
FACE COVER ...................................................................................... 4
FRONT COVER.................................................................................... 5
REAR COVER ...................................................................................... 6
MECHANICAL ADJUSTMENT
TOP TENSION ..................................................................................... 7
BOBBIN TENSION ............................................................................... 8
PRESSER BAR HEIGHT ALIGNMENT................................................ 9
NEEDLE SWING .................................................................................. 10
NEEDLE DROP .................................................................................... 11
CLEARANCE BETWEEN NEEDLE AND HOOK (NO.1) ...................... 12
CLEARANCE BETWEEN NEEDLE AND HOOK (NO.2) ...................... 13
FEED DOG HEIGHT ............................................................................ 14
NEEDLE BAR HEIGHT ........................................................................ 15
NEEDLE TIMING TO SHUTTLE .......................................................... 16
BUTTONHOLE FEED BALANCE ......................................................... 17
FEED BALANCE ON STRETCHSTITCH ............................................. 18
BARTACK FEED OF BUTTONHOLE................................................... 19
DISENGAGEMENT OF CAM FOLLOWER .......................................... 20
MOTOR BELT TENSION ..................................................................... 21
WIRING .............................................................................................................. 22
OILING .............................................................................................................. 23
