
–
Turn the empty bobbin manually.
In case the infrared radiation of the light barrier strikes the
reflection face 7 of the bobbin hub, this is indicated on the display
by an arrow 8 between the reflection head and the hook thread
bobbin. Simultaneously a signal can be heard.
–
Press key “
RST
”.
The adjustment program is quitted by an arrow.
Correction
–
Clean the lenses of the light barriers 2 and 6 as well as the
reflection faces 7 of the bobbin hubs with a
soft
cloth.
–
Loosen the clamping screw 1 and 4 respectively.
–
Align the light barrier 2 and 6 respectively by a minimum rotary
motion on the holders 3 or 5.
The infrared ray of light barrier 2 or 6 must hit the bobbin hub
through the light window in the bobbin case without hindrance.
–
Tighten clamping screw 1 and 4 respectively.
–
Check the alignment of the two light barriers once again.
39
7
8
6
4
5
3
2
1