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4.9.4
Setting the sewing foot stroke
NOTICE
Property damage may occur!
Machine can be damaged if the adjusting wheels are forced.
The machine is designed in such a way that the sewing foot
stroke at the right adjusting wheel cannot be set lower than
at the left adjusting wheel.
Do not attempt to use force to set a smaller sewing foot
stroke at the right adjusting wheel.
Depending on the equipment the machine has 1 or 2 adjusting
wheels for the sewing foot stroke. The sewing foot stroke is
continuously adjustable over a range of 1–12 mm by turning
the adjusting wheel.
On machines with 2 adjusting wheels, the left adjusting wheel sets
the normal sewing foot stroke and the right adjusting wheel sets
the elevated sewing foot stroke.
Proper setting
The sewing foot stroke (2) should be set 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
Operating Instructions 967 - 02.0 - 11/2016
Operation
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