Elna Lotus Sewing Machine Service Manual Includes Parts List.
* Hook timing adjustment.
* Replacing the printed circuit board F-K.
* Replacing the needle thread plate.
* Feed dog height adjustment.
* Needle drop position adjustment.
* Clearance between needle and tip or the rotary hook.
* Upper thread tension adjustment.
* Thread cutter switch adjustment.
* Troubleshooting examples:
* Skipping stitches.
* Fabric not moving.
* Breaking upper thread.
* Breaking bobbin thread.
* Needle breaks.
* Noisy operation.
* Self diagnostic test.
* Parts list with diagrams.
* Much more!
55 page service and parts manual manual.