Adjustment

11.04.14 Thread check spring

Requirement

The movement of thread check spring 2 must be finished when the needle point enters the material (approx. 7 mm spring path).

Due to technical reasons, the length of the thread-check spring path can vary a little in either direction.

7 mm

2

3

1

Fig. 11 - 14

● Thread the machine, place test material under the presser foot and allow the presser foot to rest on the fabric using the presser foot lifter.

●Loosen screw 1.

●Sew a few stitches by turning the handwheel and then bring the take-up lever to its TDC.

●Continue to turn the handwheel (in its direction of rotation) until the needle enters the material.

●In this position, bring stop 3 to rest on thread check spring 2 and tighten screw 1.

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