Pfaff coverstyle 4850 Owner's Manual - Page 28

Important note on threading, Changing a spool on a threaded machine

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Important note on threading The needle(s) must always be threaded last so that the needle threads do not run under the looper thread as seen in drawing 1, but instead over the looper thread as depicted in drawing 2. Should this sequence not be followed, thread breakage or missed stitches can occur. If the looper threads break, you must pull the needle threads out of the needle eye, rethread the loopier thread and then rethread the needle threads. Changing a spool on a threaded machine Cut the threads off close to the spool and replace with new spools. Tie together the threads which are still in the machine with the new threads, and pull the threads out of the needle eyes. Raise the presser foot. Pull on the needle threads until the knots are about 6 inches (15 cm) past the last thread guide in front of the needles. Cut the knots off and pull the threads through the respective needle eyes. The looper threads can be pulled continuously past the looper eye and placed to the left underneath the presser foot. 24

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24
Important note on threading
The needle(s) must always be threaded last so
that the needle threads do not run under the
looper thread as seen in drawing
1
, but instead
over the looper thread as depicted in drawing
2
. Should this sequence not be followed, thread
breakage or missed stitches can occur.
If the looper threads break, you must pull the
needle threads out of the needle eye, rethread
the loopier thread and then rethread the needle
threads.
Changing a spool on a threaded machine
Cut the threads off close to the spool and re-
place with new spools. Tie together the threads
which are still in the machine with the new
threads, and pull the threads out of the needle
eyes. Raise the presser foot. Pull on the needle
threads until the knots are about 6 inches (15
cm) past the last thread guide in front of the
needles. Cut the knots off and pull the threads
through the respective needle eyes. The looper
threads can be pulled continuously past the
looper eye and placed to the left underneath
the presser foot.