Winding On The Looper Thread; Fitting The Looper-Thread Bobbin - Duerkopp Adler 69 Operating Instructions Manual

5.5

Winding on the looper thread

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When winding on for sewing with no underlay material:
arrest the sewing feet in the up position (see chapter 5.10).
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Thread looper thread as shown in the upper illustration.
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Wind about 5 coils of looper thread clockwise onto the bobbin core.
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Place bobbin 3 on bobbin-winder shaft 5.
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Swivel bobbin-winder lever 4 against the bobbin.
The bobbin-winder wheel 2 is pressed against the V-belt.
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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 4 terminates the process as soon as the bobbin is full.
5.6

Fitting the looper-thread bobbin

Removing empty looper-thread bobbin
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Turn handwheel until the needle bar reaches its highest position.
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Pull off cap 6 in the direction of the arrow.
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Raise bobbin-housing flap 8.
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Remove top 7 of bobbin housing with bobbin.
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Remove empty bobbin from top 7 of bobbin housing.
Threading looper thread
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Place full bobbin 11 in top 7 of bobbin housing:
when the thread is wound off the bobbin 11 must rotate in the direction of the arrow.
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Draw looper thread down through slit 10 under tensioning spring 9. Pull about 8
cm of looper thread out of the top 7 of the bobbin housing.
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Replace top 7 of bobbin housing.
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Close bobbin-housing flap 8.
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.
Caution - danger of injury
Turn off the main switch.
The looper-thread bobbin may only be changed with the
sewing machine switched off.
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