Table Of Contents - Janome HD9 Service Manual

INDEX
Replacing the External Parts
Face Plate .............................................................................................................................................. 1
Top Cover ............................................................................................................................................... 1
Belt Cover ............................................................................................................................................... 1
Motor Cover ............................................................................................................................................ 1
Base ....................................................................................................................................................... 1
Mechanical Adjustment
Needle Bar Height ...................................................................................................................................2
Presser Bar Height .................................................................................................................................2
Feed Dog Height .....................................................................................................................................3
Feed Dog Alignment ................................................................................................................................3
Feed Cam Timing ....................................................................................................................................4
Feed Lifting Cam Timing..........................................................................................................................5
Needle to Hook Timing ............................................................................................................................6
Clearance Between Needle and Hook Point ...........................................................................................6
Hook Stopper Position .............................................................................................................................7
Bobbin Winder Stopper ...........................................................................................................................8
Check Spring Stroke................................................................................................................................9
Pre-tension Dial .......................................................................................................................................9
Knee Lifter Lever ...................................................................................................................................10
Needle Threader ....................................................................................................................................11
Replacing the Electronic Components
Location of the Electronic Components .................................................................................................12
Location of the Connectors....................................................................................................................12
Internal Wiring .......................................................................................................................................13
Circuit Board-A ......................................................................................................................................14
Circuit Board-F and Slide Volume .........................................................................................................15
To Replace the Printed Circuit Board UD ..............................................................................................16
Driving Motor .........................................................................................................................................17
Driving Motor (continued) ......................................................................................................................18
Needle Stop Position .............................................................................................................................19
Power Transformer ................................................................................................................................20
Machine Socket .....................................................................................................................................20
LED and Printed circuit board UD1 .......................................................................................................21
Replacing the Electronic Components
Thread Cutter Blade ..............................................................................................................................22
Thread Guide Plate ...............................................................................................................................23
Static Cutter Blade.................................................................................................................................24
Needle to Cutter Cam Timing ................................................................................................................25
Thread Drawing Lever ...........................................................................................................................26
Auto Tension Release ............................................................................................................................27
Thread Cutter Troubleshooting ..........................................................................................................28
PARTS LIST .................................................................................................................................... 29-49