Operation
54 Operating Instructions 867 - 04.0 - 03/2018
Information
The sewing feet can also be lifted and locked at top dead center
pneumatically using the pedal ( p. 52).
The lever (1) will then swivel up automatically.
4.12 Setting the sewing foot pressure
The adjusting wheel at the top left of the machine arm determines
the contact pressure the sewing foot exerts on the sewing material.
The pressure can be adjusted continuously by turning the adjust-
ing wheel.
The correct pressure depends on the sewing material:
• Lower pressure for soft materials, e.g. cloth
• Higher pressure for harder materials, e.g. leather
Proper setting
The sewing material does not slip and is correctly transported.
Disturbance from incorrectly set sewing foot pressure
• Excessively high pressure: Tearing of the sewing material
• Excessively low pressure: Slipping of the sewing material
Removing blocking of the adjusting wheel
Machines with blockable adjusting wheels are used especially in
the automotive sector. With these machines the blocking must be
removed before the sewing foot pressure can be adjusted.
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