JUKI MO-644DN Instruction Manual page 20

Threading (2)
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MO-644DN only:
(13) Using the looper threader, pass the threader from the right through to the left of the sewing machine. Turn the
handwheel toward you until the lower looper is in the left-most position. Insert the thread into the slit on the lower
looper.
(14) Using the looper threader, pull the thread through to the right side again. Turn the handwheel toward you until the
lower looper is in the right-most position, and thread the looper eye. Pull the thread up until it lies in the long groove
on the lower looper.
(15) Pull about 10 cm of the thread out through the upper looper. Raise the presser foot, place the thread under it and
then lower the presser foot.
* If the lower looper thread is broken or slipped, cut the right and left-hand needle threads off at the needle. Then
remove the threads. Thread the lower looper and then the needles.
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MO-644DN
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