Synchronization Of Roller Presser And Feed Wheel - Pfaff 571 Instruction Manual

Adjustment
11

Synchronization of roller presser and feed wheel

.04.22
● 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.
11 - 26
Requirement
After 30 needle penetrations in a strip of leather the total length from the first to the last
penetration should be the same, both in the lower and the upper leather layer.
+
-
Fig. 11 - 22
Clamp 1 must not be positioned diagonally to the rock shaft.
2
1