Description Bernina 840 841 842 Sewing Machine Adjuster Manual. Includes adjusting: Bobbin hook. Feed dog height. Presser foot adjustment. Adjustment of the hook. Stitch position on zigzag. Feed dog advance. Automatic buttonholer adjustment. Upper and lower thread tension. Setting the thread regulator. Fault avoidance. Lateral motion of the needle during zig-zag sewing. More! 27 page adjusters manual. PDF download Bernina 840 series. Models: 840 841 842 Please Note: This is an adjustment manual only. If you need an instruction manual, please visit our site. Bernina 840 841 842 Sewing Machine Service Adjuster Manual. You can find additional Bernina service manuals in our shop here. We also carry the parts manual with a detailed view of parts and part numbers. You can find it here.
