Thread Catcher - Movement - Pfaff 3339 Instruction Manual

Adjustment
11.
16.03

Thread catcher - movement

11 - 22
Requirement
The thread catcher must begin with its triggering movement when the hook point is
directly behind the needle with the hook coming from the left on the last stitch of the
sewing program.
The machine must be in program end position.
Fig. 11 - 21
Turn the V-belt wheel one rotation backwards.
Turn the V-belt wheel in the direction of rotation until the hook point is exactly behind the
needle with the needle bar moving upwards.
Move control cam 1 (screws 2) to the right until nut 3 is touching the bias of the control
cam.
Turn the V-belt wheel 1/2 a rotation backwards and then turn it slowly in the direction of
rotation while carrying out a check in accordance with the requirement.
Turn the V-belt disk in its direction of rotation until the take up lever is in its t.d.c. The
machine is in program end position.
3
1 2