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7. CHAIN LOOPER ADJUSTMENT
NOTE: After adjusting loower looper, you are required to
check JET AIR THREADING.
a) Chain Looper Position
O
g r
a
n
E
L
x
7
0
5
C
F
9
0
1 /
4
b) Adjusting chain needle guards
Overlock
Chain
Needle
Needle
0
C
O
C
N
e
e
d
e l
3
+0.1
2
0 .
0
O
g r
a
n
E
L
x
7
0
Overlock
Needle
0
0
Chain needle take-up
Lowest position
Chain looper thread take-up hight position
+ -
2
0.5
Chain looper thread take-up position timing
5
C
F
9
0
1 /
4
Chain
Needle
0
0
0
0.02-0.15
6
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