CONTENTS
LOCATEAND IDENTIFYTHEPARTS........................................................................ I
WHAT TO DO WHEN................................................................................................ 2-4
THREADINGOF MACHINE .................................................................................... 5
SERVICEACCESS
FACE COVER .......................................................................................6
TOP COVER ..........................................................................................6
BOI"I'OMBASE PLATE ...........................................................................7
BED COVER ..........................................................................................7
BELTCOVER .........................................................................................8
FRONT COVER .....................................................................................9
REAR PANEL UNIT.................................................................................I0
MECHANICAL ADJUSTMENT
TOP TENSION ........................................................................................11
PRESSER BAR HEIGHT AND ALIGNMENT .............................................12
NEEDLE SWING .....................................................................................13
STRAIGHT STITCHING ...........................................................................14.15
DISTRIBUTIONOF NEEDLE SWING .......................................................16,17
STRETCH STTTCHBALANCE ..................................................................18.19
FEEDDOG H_.-_-IT...................................................................................20,21
NEEDLE BAR HEIGHT ............................................................................22.23
NEEDLE TO SHUTTLETIMING ................................................................24,25
NEEDLE CLEARANCE TO SHUTTLE.......................................................26
BACKLASH (LOWER SHAFT GEAR) ......................................................27
BuIrONHOLE STITCHBALANCE ..........................................................28,29
NEEDLE POSITION...................i.............................................................30,31
ZERO FEEDING .....................................................................................32,33
MOTOR BELTTENSION .........................................................................34
OIUNG .............................................................................................................. 35
WIRING OF TERMINALBLOCK .............................................................................. 36
SPECIALTOOLS REQUIRED ....................................................................................37
VI.0
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