Operation Manual

Element Function

13 - Operating field - See motor manufacturer’s instructions

Note: For thread trimming with the sub-class

171521 the thread wiper on the thread

trimming key must also always be turned on.

Diodes a and b must be lit.

The upper diode c must be lit on the "Stitch

Condensation at the Seam End" key.

14 - Bobbin thread- - For formation a clean stitch at the seam beginning

puller pull out sufficient thread.

15 - Adjustment wheel - Setting the stitch length of the upper transport.

16 - Adjustment wheel - Setting the stitch length of the lower transport.

17 - Screw - Setting the stitch condensation

(Length of the stitches).

18 - Hand lever - Continuous adjustment of the stitch length.

bac1415161718