Bobbin Thread Trimmer - Pfaff 3117 Instruction Manual

14

Bobbin thread trimmer

.15
Requirement
When in resting position, thread puller 1 of the bobbin thread trimmer must be parallel to
the needle plate insert.
Fig. 14 - 37
Loosen screws 2. Move knife 3 and thread puller 1 in according with the requirement.
Tighten screws 2.
2
3
1
When knife guide 5 is moved,the actuating pin 4 must run easily and without
any binding through the cutout.
With knives 3 and 6 overlapping by 0.5 to 1 mm the thread must be neatly cut.
5
6
4
Adjustment
14 - 39