Adjusting the sewing foot stroke
44 Service Instructions 171/173 - 00.0 - 01/2020
2. Screw the pressure sleeve (3) out to reduce the sewing foot pressure.
3. Loosen the screw (9).
4. Move down the presser bar until the sewing foot sole rests flush on
the throat plate.
5. Set a distance of approx. 0.5 mm between block (5) and sleeve (6).
6. Align the sewing foot towards the needle.
7. Tighten the screw (9).
8. Screw the pressure sleeve (3) in to increase the sewing foot pressure.
The spring tension must be significantly greater than that of the
hinged lever foot.
The lowest position of the hinged lever foot is held by the sleeve (6).
9. Tighten the screw (1) until there is a gap of approx. 1 mm between
lifter bracket (8) and block (5).
The sewing foot sole must be resting on the throat plate.
Information
Fig. 33: Adjusting the sewing foot stroke for hinged lever feet (3)
The stroke of the cylinder (10) must be taken into account for the pneumatic
sewing foot lift.
The sewing foot stroke must be limited with screw (11).
(10) - Cylinder (11) - Screw
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