CONTENTS
WHAT TO DO WHEN ................................................................................................................................. 1 - 3
SERVICE ACCESS
FACE PLATE ........................................................................................................................................ 4
BELT COVER ....................................................................................................................................... 4
BED BASE PLATE ............................................................................................................................... 4
FRONT COVER ................................................................................................................................... 5
REAR COVER ...................................................................................................................................... 6
MECHANICAL ADJUSTMENT
UPPER THREAD TENSION DIAL ........................................................................................................ 7
BOBBIN THREAD TENSION ............................................................................................................... 8
PRESSER BAR HEIGHT AND ALIGNMENT ....................................................................................... 9
NEEDLE SWING ................................................................................................................................ 10
NEEDLE DROP .................................................................................................................................. 11
HEIGHT OF FEED DOG .................................................................................................................... 12
CLEARANCE BETWEEN NEEDLE AND HOOK (NO.1) ................................................................... 13
CLEARANCE BETWEEN NEEDLE AND HOOK (NO.2) ................................................................... 14
NEEDLE BAR HEIGHT ...................................................................................................................... 15
HOOK TIMING ................................................................................................................................... 16
FEED BALANCE ON STRETCH STITCH .......................................................................................... 17
BUTTOHOLE FEED BALANCE ......................................................................................................... 18
BARTACK FEED OF BUTTONHOLE ................................................................................................. 19
DISENGAGEMENT OF CAM FOLLOWER (NO.1) ............................................................................ 20
NEEDLE MOVEMENT FOR STRAIGHT STITCH ......................................................................... 21-22
BUTTONHOLE FUNCTION ............................................................................................................... 23
MOTOR BELT TENSION .................................................................................................................... 24
WIRING ......................................................................................................................................................... 25
