Janome 521 - Important Safety Instructions; Danger - Electric Shock Risk; Warning - Injury Risk

INDEX
Service Access (1) Face plate .................................................................................... 1
Service Access (2) Base cover ................................................................................... 2
Service Access (3) Front cover ................................................................................... 3
Service Access (4) Rear cover.................................................................................... 4
Adjusting Thread Tension ............................................................................................ 5
Adjusting Presser Foot Height and Alignment ............................................................ 6
Adjusting Needle Swing .............................................................................................. 7
Adjusting Needle Drop Position................................................................................... 8
Adjusting Needle to Hook Timing ................................................................................ 9
Adjusting Needle Bar Height ..................................................................................... 10
Adjusting Clearance between Needle and Hook Point.............................................. 11
Adjusting Backlash between Hook Drive Gear and
Lower Shaft Gear ...................................................................................................... 12
Adjusting Feed Dog Height ....................................................................................... 13
Adjusting Feed Balance ............................................................................................ 14
Adjusting Buttonhole Feed Balance .......................................................................... 15
Adjusting Buttonhole Zero Feed................................................................................ 16
Adjusting Buttonhole Functions (MODEL525S) ........................................................ 17
Replacing Motor and Adjusting Motor Belt Tension................................................... 18
Replacing and Adjusting Threader (MODEL525S) ................................................... 19