Operation Manual

5.4 Winding on the looper thread
Caution - danger of injury
Turn off the main switch.
The looper thread may be threaded for winding on only
when the sewing machine is switched off.
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When winding on for sewing with no underlay material:
arrest the sewing feet in the up position (see chapter 5.9).
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Thread looper thread as shown in the upper illustration.
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Wind about 5 coils of looper thread anti-clockwise onto the bobbin core.
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Place bobbin on bobbin winder 2.
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Swivel bobbin-winder lever 3 against the bobbin.
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Adjust tension 1.
The looper thread should be wound on with minimal tension.
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Sew.
The bobbin-winder lever 3 terminates the process as soon as the bobbin is full.
5.5 Fitting the looper-thread bobbin
Caution - danger of injury
Turn off the main switch.
The looper-thread bobbin may only be changed with the
sewing machine at a halt.
Removing empty looper-thread bobbin
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Press leaf spring down and push right-hand needle-plate slide aside.
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Raise bobbin-housing shutter 4.
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Remove empty looper-thread bobbin.
Threading looper thread
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Place full bobbin 8 in bobbin housing:
when the thread is wound off the bobbin must rotate in the direction of the arrow.
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Draw looper thread through slit 5 down to tensioning spring 7.
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Draw looper thread into slit 6.
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Cut looper thread to a length of about 3 cm.
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Close bobbin-housing shutter 4.
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Draw looper thread through the guide of bobbin-housing shutter 4.
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Push needle-plate slide back into place.
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