ELNA 8300 - Table of Contents

GENERAL TROUBLE SHOOTING PROCEDURE .................................................................................2
CHANGING EXTERNAL PARTS (1) FACE COVER/TOP COVER ........................................................3
CHANGING EXTERNAL PARTS (2) BELT COVER ............................................................................... 4
CHANGING EXTERNAL PARTS (3) BASE COVER .............................................................................. 5
CHANGING EXTERNAL PARTS (4) BED COVER/BASE LID(2) ........................................................... 6
CHANGING EXTERNAL PARTS (5) BASE UNIT ................................................................................... 7
CHANGING EXTERNAL PARTS (6) FRONT COVER ........................................................................... 8
CHNAGING EXTERNAL PARTS (7) REAR COVER .............................................................................. 9
ADJUSTING NEEDLE DROP POSITION............................................................................................. 10
ADJUSTING HOOK TIMING ................................................................................................................ 11
ADJUSTING NEEDLE BAR HEIGHT ...................................................................................................12
ADJUSTING CLEARANCE BETWEEN NEEDLE AND HOOK ............................................................ 13
ADJUSTING BACKLASH BETWEEN HOOK DRIVE GEAR AND LOWER SHAFT GEAR .......................................... 14
ADJUSTING HEIGHT OF THE NEEDLE STOP POSITION................................................................. 15
ADJUSTING THREAD TENSION .........................................................................................................16
ADJUSTING TENSION RELEASE MECHANISM ................................................................................ 17
CHNAGING THREAD TENSION UNIT ................................................................................................18
REPLACING THREADER PLATE AND ADJUSTMENT ....................................................................... 19
REPLACING THREAD CUTTER .................................................................................................... 20–21
ADJUSTING HEIGHT OF EMBROIDERY FOOT P .............................................................................. 22
CONNECTOR CONNECTION DIAGRAM ............................................................................................23
REPLACING PRINTED CIRCUIT BOARD A ........................................................................................ 24
REPLACING TOUCH PANEL ............................................................................................................... 25
TOUCH SCREEN CALIBRATION ........................................................................................................26
REPLACING PRINTED CIRCUIT BOARD F ........................................................................................ 27
ADJUSTING OF THE SOLENOID .......................................................................................................28
ADJUSTING UPPER SHAFT RELEASE CAM AND CLUTCH RELEASE ARM .................................. 29
ADJUSTING THREAD CUTTER SOLENOID....................................................................................... 30
ADJUSTING THREAD CUTTER ..........................................................................................................31
ADJUSTING THREAD HOLDING SOLENOID ..................................................................................... 32
ADJUSTING THREAD DRAWING LEVER ........................................................................................... 33
ADJUSTING THE PRESSER FOOT LIFTER SENSOR ....................................................................... 34
ADJUSTING THE REMAINING BOBBIN THREAD LEVEL .................................................................35
REPLACING DC MOTOR AND MOTOR BELT TENSION ADJUSTMENT .......................................... 36
REPLACING CARRIAGE PLATE UNIT ................................................................................................37
ADJUSTING X AND Y SENSORS ........................................................................................................ 38
ADJUSTING X AND Y SENSORS (SIMPLE ADJUSTMENT) .............................................................. 39
ADJUSTING X MOTOR GEAR.............................................................................................................40
REPLACING SWITCHING POWER SUPPLY ......................................................................................41
OILING ..................................................................................................................................................42
PARTS LIST ....................................................................................................................................43–68
TABLE OF CONTENTS