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10. Position of the double-chain looper thread take-up
10.1. Checking items:
Double-chain looper thread take-up
1
Double-chain looper thread take-up guide
2
Setscrew of double-chain looper thread take-up
3
Setscrew of double-chain looper thread take-up guide
4
- Check that the flat part of the double-chain looper thread take-up
bar is position (A).
Needle bar position (A):
(A) is a position of the state of the following
figure, when a needle bar falls.
Left needle
10.2. How to perform adjustment:
- Loosen the setscrew
thread take-up guide
- Loosen the Setscrew
take-up
.
1
- Turn the double-chain looper thread take-up
ment.
- Retighten the setscrew
- Move the double-chain looper thread take-up guide
and retighten the setscrew
Needle
Throat plate
and swing up the double-chain looper
4
.
2
of the double-chain looper thread
3
.
3
.
4
1
2
1
to make adjust-
1
2
down
2
– 8 –
is in its vertical position, when the needle
flat part
1
3
4
flat part
4
3
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