3.3 Checking positioning
The sewing machine should be positioned with the thread lever at top dead centre.
The position transmitter 2 is fixed to the shaft with the position-transmitter ring 1. With
fully-assembled sewing machines the pre-set position is indicated by a coloured mark.
Checking positioning
–
Switch on the sewing machine. Pull pedal fully back and hold it there.
The thread is clipped and the s ewing machine positioned in the 2nd position.
–
Check with the handwheel whether the thread lever is at top dead centre.
Correcting positioning
If positioning is incorrect the reference point must be reset with the control unit.
This adjustment is described in the service manual.
GB
9
1
2
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