Adjustment
30
1.04.21 Synchronization of roller presser and feed wheel
● Set stitch length "3".
● By turning the balance wheel, let the needle enter 30 times.
● Compare the total sewn length of the lower and upper leather layer.
● Adjust clamp 1 (screw 2) according to the requirement.
Clamp 1 must not be positioned diagonally to the rock shaft.
Requirement
After 30 needle penetrations in a strip of leather the total length from the fi rst to the last
penetration should be the same, both in the lower and the upper leather layer.
Fig. 1 - 21
1
2
2