Strobel VEB100-1 - Thread Tension at Seam Lock; Feed Dog at Seam Lock; Plunger Lowering at Seam Lock; Switching off the Seam Lock

28 BA_VEB100-1-2-2W-4-5_A3-1_180615_en
4.11.4
The additional thread tension should pull close the loop of the seam lock when
switched on.
During normal sewing it is lifted by a pneumatic cylinder and is out of operation.
Thread tension at seam lock
4.11.5
The feed dog is lifted up by a pneumatic cylinder at the seam lock. It now glides
gently over the sewing material during the transport movement without
transporting it further.
Feed dog at seam lock
4.11.6
The lowering of the plunger at the seam lock prevents a punctuation of the outer
fabric.
By turning the knurled screw at the pneumatic cylinders under the table top the
height of the lowering can be changed.
Plunger lowering at seam lock
Turn to right - : Lowering is increased
Thick sewing material Stitch depth becomes less
Turn to left + : Lowering is reduced
Thin sewing material Stitch depth becomes greater
4.11.7
The parameter F-10 must be set from 1 to 0.
Switching off the seam lock