Operation
Operating manual 171/173 Version 01.0 - 01/2016 25
Fig. 10: Threading the looper thread - Part 1
3. Feed the thread through the thread guide (1) from above
downwards.
4. Guide the thread around the back of the thread guide (1)
and from the rear to the front throug
h the bottom hole.
5. Feed the thread from above downwards through the thread
guid
e (2) on the looper thread tensioner (3).
6. Guide the thread counterclockwise around the looper thread
t
ensioner (3).
The thread must always be fed around the relevant tension-
ing disk such that it covers the greater distance
from thread
guide (2) to thread guide (4).
By pressing on the tensioner opener (5), the tensioner can be
open
ed to allow the thread to be fed around.
7. Insert the thread from above downwards through the thread
pull
er (6).
8. Guide the thread through the thread groove (7). To do this, pull
the
thread from the back under the cover plate of the groove.
(1) - Thread guide
(2) - Thread guide
(3) - Looper thread tensioner
(4) - Thread guide
(5) - Tensioner opener
(6) - Thread puller
(7) - Thread groove
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