LOCATE AND IDENTIFY THE PARTS ....................................................................................1
WHAT TO DO WHEN .......................................................................................................2 - 4
THREADING OF MACHINE...................................................................................................5
SERVICE ACCESS
FACE COVER ........................................................................................................................6
FREE ARM LEGS COVER.....................................................................................................6
FRONT COVER......................................................................................................................7
REAR PANEL .........................................................................................................................8
MECHANICAL ADJUSTMENT
TOP TENSION .......................................................................................................................9
PRESSER BAR HEIGHT AND ALLIGNMENT .....................................................................10
NEEDLE SWING ..................................................................................................................11
STRAIGHT STITCHING (1) .................................................................................................12
NEEDLE DROP (2) ..............................................................................................................13
STRETCH STITCH BALANCE ............................................................................................14
FEED DOG HEIGHT ............................................................................................................15
NEEDLE BAR HEIGHT ........................................................................................................16
NEEDLE TO SHUTTLE TIMING ..........................................................................................17
NEEDLE CLEARANCE TO SHUTTLE ................................................................................18
BACKLASH (BETWEEN LOWER SHAFT GEAR AND SHUTTLE HOOK GEAR) ..............19
NEEDLE POISITION MISALIGNMENT ...............................................................................20
ZERO FEEDING .................................................................................................................21
BUTTONHOLE STITCH BALANCE .....................................................................................22
ZERO FEEDING OF BUTTONHOLE BARTACK .................................................................23
BUTTONHOLE FUNCTION .................................................................................................24
REPLACEMENT AND ADJUSTMENT OF NEEDLE THREADER PLATE ..........................25
MOTOR BELT TENSION .....................................................................................................26
WIRING OF TERMINAL BLOCK .........................................................................................27
OILING .................................................................................................................................28
TABLE OF CONTENTS
