Operation Manual

Operation
Operating manual 171/173 Version 01.0 - 01/201632
Fig. 16: Adjusting the looper thread take-up
Adjusting the looper thread take-up
1. Tilt the upper part of the machine backwards.
2. Loosen the fastening screws (6).
3. Move the looper thread take-up (5):
• T
ighter seam:
Move front edge (4) in the direction of 0.
• Mo
re elastic seam:
Move front edge (4) in the direction of 5.
Important: Ensu
re that the height of the looper thread take-up (5)
is not changed. The holes (3) must always remain
above the bar (2) of the thread down-holder (1).
4. Tighten the fastening screws (6).
5. Return the upper part of the machine to the upright position.
(1) - Thread down-holder
(2) - Thread down-holder:
Lower bar
(3) - Looper thread take-up:
Holes for thread guide
(4) - Looper thread take-up edge:
Scale reading point
(5) - Looper thread take-up
(6) - Fastening screw
①
④
②
③
⑤
⑥