Janome JP720 - Table of Contents

INDEX


What to do when
................................................................................................................................................................ １-３
Changing External Parts
Face Cover
................................................................................................................................................................................. ４
Bed Cover
................................................................................................................................................................................ ５
Front Cover
............................................................................................................................................................................６-７
RearF Cover
.............................................................................................................................................................................. ８
Mechanical Adjustment

Presser Bar Height
.................................................................................................................................................................. ９
Needle Drop Position
.......................................................................................................................................................... １０
Needle Bar Height
................................................................................................................................................................ １１
Needle to Hook Timing
....................................................................................................................................................... １２
Clearance between Needle and Hook Point
............................................................................................................... １３
Backlash ( Lower Shaft Gear )
......................................................................................................................................... １４
Feed Dog Height
................................................................................................................................................................... １５
Needle Swing Timming
....................................................................................................................................................... １６
Top Tension
............................................................................................................................................................................ １７
Stretch Stitch Feed Balance
............................................................................................................................................. １８
Thread Plate
........................................................................................................................................................................... １９
Replacing the Electronic Components

Location of the Connectors
............................................................................................................................................. ２０
Diagnosis chart
...............................................................................................................................................................２１-２３
Circuit Board-A
...................................................................................................................................................................... ２４
Circuit Board-F
....................................................................................................................................................................... ２５
Driving Motor
.......................................................................................................................................................................... ２６
Switching regulator Motor
.................................................................................................................................................. ２７
Stepping motor ( Zigzag )
................................................................................................................................................... 28
Stepping motor ( Feed )
...................................................................................................................................................... 29
Buttonhole lever guide
......................................................................................................................................................... 30
Oiling ........................................................................................................................................................................................... 31