Viking Huskylock 936 User Manual
—47—
Triple coverstitch
Correct tension
The picture shows the correct tension of 3
needle threads and chainstitch looper thread.
When needle thread is too loose
Increase thread tension dial
➀
(
➁
,
➂
), or
decrease the chainstitch looper thread tension
dial
④
.
When chainstitch looper thread is too loose
Increase the chainstitch looper thread tension
dial
④
.
1
2
3
4
5
N
7
5
6
7
6
7
5
6
7
6
7
2
3
3
N
1
2
3
4
5
N
7
5
6
7
6
7
5
6
7
6
7
2
3
3
N