Lower Stop Motion Buffer - Pfaff 3117 Instruction Manual

Adjustment
14

Lower stop motion buffer

.12.03
14 - 24
Requirement
With the knife at its BDC the knife arm 1 should be touching the lower stop motion
buffer 2 .
1
2
Fig. 14 - 23
Engage the stop motion device.
Turn the drive pulley in its direction of rotation until the actuator projection is in its BDC.
Hold the thread monitor finger forwards.
Switch the knife on manually.
Turn the drive pulley in its direction of rotation until the knife latch falls into the actuator
projection.
Turn the drive pulley in its direction of rotation until the knife is in its BDC.
Loosen grub screw 3 and turn screw 4 in accordance with the requirement.
Tighten grub screw 3.
Disengage the stop motion device.
3
4