Table Of Contents - ELNA 6125QC Service Manual

What to Do When ...................................................................................................... 1-3
Service Access
Face Cover ............................................................................................................... 4
Top Cover.................................................................................................................. 5
Belt Cover ................................................................................................................. 6
Base .......................................................................................................................... 7
Front Cover ............................................................................................................... 8
Rear Cover ............................................................................................................... 9
Mechanical Adjustment
Needle Thread Tension ........................................................................................... 10
Presser Bar Height and Alignment ......................................................................... 11
Needle Swing in Straight Stitch Sewing .................................................................. 12
Needle Swing .......................................................................................................... 13
Needle Position Misalignment................................................................................. 14
Needle Drop Position .............................................................................................. 15
Stretch Stitch Feed Balance ................................................................................... 16
Feed Dog Height ..................................................................................................... 17
Needle Bar Height .................................................................................................. 18
Needle Timing to Hook ........................................................................................... 19
Clearance between Needle and Hook .................................................................... 20
Backlash Between Hook Gear and Lower Shaft Gear ........................................... 21
Zero Feeding .......................................................................................................... 22
Needle Stop Position (applicable to Model 6125QC Only) ..................................... 23
Buttonhole Feed Balance ....................................................................................... 24
Buttonhole Length ................................................................................................... 25
Auto-Stop Buttonhole (applicable to Model 6125QC Only) .................................... 26
Replacement and Adjustment of Needle Threader Plate........................................ 27
Motor Belt Tension .................................................................................................. 28
B-Board and Connector Location (applicable to Model 6125QC Only) .................. 29
Replacement of B-Board and Fuse (applicable to Model 6125QC Only) ............... 30
Wiring of Terminal in Machine Socket ..................................................................... 31
Contents