UPPER THREADING

aPress and install the twin needle (“CHANGING THE NEEDLE” on page B-51).

bThread the machine for the first needle according to the procedure for threading a single needle (“Upper Threading” on page B-42).

cPass the thread through the needle bar thread guides on the needle bar, then thread the needle on the left side manually.

aNeedle bar thread guide

Note

The “Automatic Threading” button cannot be used. Manually thread the twin needle from front to back. Using the “Automatic Threading” button may result in damage to the machine.

dPull up the supplemental spool pin and set it in the up position.

aSupplemental spool pin

ePlace the additional spool of thread on the supplemental spool pin, so that the thread unwinds from the front. Push the spool cap onto the spool pin as far as possible to secure the thread spool.

aSpool pin

bSpool cap

cThread spool

fHold the thread from the spool with both hands, and place the thread in the thread guide.

* Do not place the thread in the pre-tension disks.

aThread guide

gWhile holding the thread from the spool, pull the thread through the lower notch in the thread guide plate, then through the upper notch. Hold the end of the thread with your left hand, and then guide the thread through the groove, following the arrows in the illustration.

B-46