Operation Manual

Operation
Operating Instructions 610-10/630-10 - 00.0 - 01/201632
4.7.4 Adjusting the looper thread quantity
See  Service Instructions.
4.8 Setting the sewing foot pressure
You can use the adjusting wheel (1) and nut (2) on top of the
sewing head to regulate the pressure the sewing feet exert on the
sewing material. You have the option of adjusting center foot and
top feed foot separately.
Proper setting
The sewing material does not slip and
is correctly transported.
The correct sewing foot pressure depends on the sewing material:
(basic value: 26/47 mm).
Fig. 14: Setting the sewing foot pressure (1)
Disturbance from incorrectly set sewing foot pressure
• Excessively high sewing foot pressure:
Impressions on the sewing material, possibly ruffling of the
sewi
ng material
• Excessively low sewing foot pressure:
Slipping of the sewing material, stitch length too short
(1) - Adjusting wheel
(2) - Nut
(3) - Nut
①
②
③