Positioning the looper thread take-ups and the
thread guide
Adjusting the amount of the looper thread supply
CAUTION
1.
1
2
3
4
1
2
1
2
2.
5
2
C
6
5
3.
7
8
7
Always turn off the power, unplug the machine and then
authorized technicians are allowed to adjust the thread take-up.
1.
Adjust looper thread take-up
1
when the lower looper is at
the extreme right end of its travel.
Adjust looper thread take-up
2
when the upper looper is at
the top of its travel. The standard position of each looper
thread take-up is as follows (see Fig.37).
This adjustment is made by loosening screws
3
and
4
, and
then moving looper thread take-ups
1
and
2
.
To increase the amount of the looper thread supply, move
looper thread take-ups
1
and
2
in the plus direction (
).
To decrease the amount of the looper thread supply, move
the looper thread take-ups
1
and
2
in the direction of (
).
2.
Looper thread take-up
5
should be aligned with looper thread
take-up
2
at point
C
. This adjustment is made by loosening
screw
6
, and moving looper thread take-up
5
.
To increase the amount of the looper thread supply, move
looper thread take-up
5
in the plus direction (
).
To decrease the amount of the looper thread supply, move
looper thread take-up
5
in the minus direction (
).
3.
Thread guide
7
should be at its lowest position.
This adjustment is made by loosening screw
8
, and moving
thread guide
7
.
図 37
Fig.37
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