Bernette b68 AIRLOCK - Overview - Looper Area

My bernette
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2022-05 EN 50400685.00A.04
Overview - Looper Area
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1 Knife On/Off 7 Upper Looper
2 Cutting Width Dial 8 Lower Looper
3 mtc micro thread control dial 9 Chain Looper
4 Rolled Hem Selection Lever 10 Air Threader Pipes Upper Looper
5 Feed Dog 11 Air Threader Pipes Lower Looper
6 Knife 12 Air Threader Pipes Chain Looper