11. Hook height
Before adjusting the looping stroke as well as the needle bar height
and particularly after needle breakage it is necessary to check the
correct hook height.
Use gauge 2 for checking the hook height.
Caution: Danger of injury !
Switchthemainswitchoff.
Adjust the height of the hook only with the machine s witched off.
Standard checking
When the gauge is put on the hook supports, please observe the
following:
–
The drill-hole 1 of the gauge must be on top right.
–
The tip of the left hook must be under the edge 3 of the gauge.
–
The tip of the right hook must be under the edge 4 of the gauge.
–
The hook tips must just abut on the gauge.
–
Remove the thread trimmer 9, the throat plate 10, the s preader
stops 5 and 8 as well as the spreaders 6 and 7 from the hook
supports.
–
Bring the needle bar in position “up” by turning the handwheel.
–
Put the gauge 2 on the hook support with the hooks inserted in the
hook supports as far as it will go.
–
In this position the rules mentioned above must be fulfilled.
Correction
–
Adjust the correct hook height by slight alignment of the hooks.
34
2341
87 6 5
10 9
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