DURKOPP ADLER PURE 967, Operating Instructions Manual

Page: 44 / 84

Operation
42 Operating Instructions 967 PURE - 00.0 - 12/2020
Information
If the sewing foot pressure is insufficient, an auxiliary spring (3)
can be used to increase the sewing foot pressure.
1. Unscrew the adjusting wheel (1).
2. Insert the auxiliary spring (3).
3. Screw in the adjusting wheel (1) and set the desired sewing
foot pressure.
4.9.4 Adjusting the sewing foot stroke
The sewing foot stroke is continuously adjustable over a range of
1–12 mm by turning the adjusting wheel.
Proper setting
The sewing foot stroke should be adjusted as low as possible.
The material is transported with a consistent stitch length.
Disturbance
Excessively high sewing foot stroke:
• abrupt impact of the sewing feet
• increased noise level
• the machine is damaged by the excess stress
Excessively low sewing foot stroke:
• Stitch shortening
• Hindered transport of the sewing material
• Damage to the sewing material
WARNING
Risk of injury from spring force!
Risk of injuries to the eyes.
When removing the adjusting wheel, make sure
that it will not pop out toward you on account of
the spring force.
ALWAYS hold the sewing feet in place at the
lower position.