Janome MyLock 644D Instruction Book page 38

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• If one of the threads is broken, follow the
re-threading procedure as follows:
* Turn off the power switch and unplug the
machine.
1. Raise the presser foot and pull the thread chain
out to the back of the presser foot, and cut the
chain to separate each of the threads.
Cut off the tangled threads.
2. Re-thread the thread which had been broken.
Example: Re-thread the lower looper thread.
Lower looper thread
3. Turn the handwheel toward you until the needle
comes to its highest position.
Needle thread
4. Pull the threads from under the presser foot with
tweezers and pull out the needle threads above
the needle plate. Draw out 10 cm (4˝) away from
the presser foot. (Draw the needle thread in the
direction A)
Needle thread
Needle
Presser foot
Needle plate