Adjusting The Thread Puller - Pfaff 3307-3 Series Instruction Manual

13

Adjusting the thread puller

.36
Requirement
1. When cylinder 6 is retracted, screw 4 should be at a distance of approx. 1 mm from
the inside edge of the slot.
2. When thread puller 3 is in its basic position, it should be resting lightly on the thread
and should not touch the edge of the slot when cylinder 6 is extended.
3. The thread should be pulled evenly without any jerks.
4. Thread puller 3 should be set so that a reliable sewing start is guaranteed, but no
start thread is standing out.
1
Fig. 13 - 34
● Adjust clamp 1 (screw 2) in accordance with requirement 1.
● Adjust thread puller 3 (screw 4) in accordance with requirement 2.
● First of all, close throttle 5 completely and then adjust it in accordance with requirement 3.
● Adjust thread puller with screw 4 in accordance with requirement 4.
2
6
If required deviations from this basic setting of thread puller 3 are possible.
If necessary, adjust the switch times for thread clamp 7 (parameter "405")
and thread puller 3 (parameter "406").
Adjustment
3
4
1 mm
7
5
103