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Automatic Thread Trimmer Mechanism
1. Positioning of moving knife arm installing plate
(Adjustment of position of moving knife)
™
Loosen
1
nut of setscrew
™
Loosen
2
setscrews in installing plate and move
installing plate to the right or left to obtain position
A
.
™
Tighten
2
setscrews in installing plate.
Reference (substitution)
Position of moving knife (see from under side of
bed.)
Overlapping amount of slot
4
of moving knife base
with portion R of moving knife is 0 to 0.5 mm.
(To such an extent that portion R of moving knife is
slightly seen from slot
4
)
2. Installing position of thread trimmer SOL (solenoid)
™
Move
3
thread trimmer solenoid asm. to the right
and left to adjust so that clearance between
1
thread trimmer auxiliary link and
2
thread trim-
mer auxiliary cam is 0.5 to 1.0 mm, and tighten it
with
4
setscrews.
When thread trimmer solenoid asm. is set to ON,
it has to interlock thread trimmer auxiliary cam.
Moving knife base
4
2
Moving knife arm
installing plate setscrew
1
Nut of setscrew
3
Thread trimmer
solenoid
4
Thread trimmer solenoid setscrew
0.5 to 1.0
Moving knife base
Counter knife
Align top end of moving knife with border of black
coloring section and polished plane of counter knife.....
A
Figure observed from the
rear after removing hook.
2
Thread trimmer auxiliary cam
1
Thread trimmer
auxiliary link
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