11. Looper height
Before adjusting the loop stroke as well as the needle bar height and
particularly after needle breakage it is necessary to check the correct
looper height.
Use gauge 2 for checking the looper height.
Caution: Danger of injury !
Turnthemainswitchoff.
Set the height of the looper only with the machine switched off.
Standard checking
When the gauge is put on the looper support, please observe the
following:
–
The drill-hole 1 of the gauge must be on top right.
–
The tip of the left looper must be under the edge 3 of the gauge.
–
The tip of the right looper must be under the edge 4 of the gauge.
–
The looper tips must just abut on the gauge.
–
Remove the thread trimmer 9, the throat plate 10, the spreader
stops 5 and 8 as well as the spreaders 6 and 7 from the looper
turrets.
–
Bring the needle bar in position “up” by turning the handwheel.
–
Put the gauge 2 on the looper turret with the loopers inserted in the
looper turrets as far as it will go.
–
In this position the rules mentioned above must be fulfilled.
Correction
–
Set the correct looper height by slight alignment of the loopers.
3
45
2341
87 6 5
10 9
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