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Automatic Thread Trimmer
(1) Operation procedures for UT-B and UT-A device.
Motor is selected either from ① or ②. Operation
procedures for ① or ② are as follows.
A. Put sewing materials under the presser foot and step
on the pedal towards ① position.
B. Leave pedal at ② neutral
→ The needle will stop at the highest point.
C. Step the pedal backward towards ③ position.
→ The trimming device will begin to move under the
needle plate to cut the needle thread and looper
thread. The looper thread will be caught by clamp
spring, and air wiper will run for two seconds, and
then presser foot will go up.
→ (For UT-A device, lifting of the presser foot and
wiper operation will begin at the same time.)
D. Leave the pedal at ② neutral
→ The presser foot will go down.
1) Operation
[ Figure 58 ]
① Start
② Neutral
③ Trimming,
Presser foot
lifting
[ Caution ]
If the pedal is not in ① position, move the pedal towards ② or ③ to bring the presser foot up/down.
[ Caution ]
Be sure to lay sewing materials under the presser foot before operation.
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