Janome DC3018 DC3050 Sewing Machine service manual including part list

CONTENTS
WHAT TO DO WHEN....................................................................................................................... 1 - 3
FACE COVER ........................................................................................................................................ 4
BED COVER .......................................................................................................................................... 5
FRONT COVER ................................................................................................................................ 6 - 7
REAR COVER ....................................................................................................................................... 8
PRESSER BAR HEIGHT AND ALIGNMENT ......................................................................................... 9
NEEDLE DROP POSITION ................................................................................................................. 10
NEEDLE BAR HEIGHT ........................................................................................................................ 11
NEEDLE TO HOOK TIMING ................................................................................................................ 12
NEEDLE CLEARANCE TO SHUTTLE ................................................................................................ 13
BACKLASH (BETWEEN LOWER SHAFT GEAR AND SHUTTLE HOOK GEAR) .............................. 14
FEED DOG HEIGHT ............................................................................................................................ 15
ZIGZAG SYNCHRONIZATION ............................................................................................................ 16
NEEDLE THREAD TENSION .............................................................................................................. 17
STRETCH STITCH FEED BALANCE .................................................................................................. 18
REPLACEMENT AND ADJUSTMENT OF NEEDLE THREADER PLATE........................................... 19
CONNECTOR CONNECTION DIAGRAM ........................................................................................... 20
REPLACING THE PRINTED CIRCUIT BOARD A ............................................................................ 21
REPLACING THE SLIDE VOLUME AND PRINTED CIRCUIT BOARD F ........................................ 22
REPLACING THE DC MOTOR AND ADJUSTING THE MOTOR BELT TENSION ............................. 23
REPLACING THE FUSE...................................................................................................................... 24
REPLACING THE MACHINE SOCKET ................................................................................................25
REPLACING THE TRANSFORMER ....................................................................................................26
REPLACDING THE ZIGZAG MOTOR .................................................................................................27
REPLACING THE FEED MOTOR .......................................................................................................28
ADJUSTING THE BUTTONHOLE LEVER ...........................................................................................29
ADJUSTING THE BOBBIN WINDER SWITCH ....................................................................................30
OILING ..................................................................................................................................................31