11-2 Position of the needle thread eyelet
Secure needle thread eyelet C at the bottom end of
the slot.
< Note >
Adjust the needle thread eyelet according to the
thread to be used. To tighten the needle thread,
raise the needle thread eyelet.
11-3 Adjusting the needle thread guard
With the needle bar at the bottom of its stroke, the
top surface of needle thread guard A should be level
and parallel with the centers of the eyes on needle
bar eyelet B.
11-4 Adjusting the looper thread eyelets
Align the eyes on looper thread eyelets A with the
center of the lower shaft.
To increase the amount of the looper thread to be
supplied, loosen screws B and move looper thread
eyelets A to the rear of the machine.
To decrease the amount of the looper thread to be
supplied, loosen screws B and move looper thread
eyelets A to the front of the machine.
In case of model 1508SPF, move looper thread
eyelets A fully toward the front of the machine and
secure them with screws B.
Adjust the looper thread eyelets according to the
thread and stitch length to be used.
< Note >
Raising needle thread guard A increases the size of
the needle thread loop. Lowering needle thread
guard A decreases the size of the needle thread
loop.
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