Device description
Operating manual 171/173 Version 01.0 - 01/2016
4 Device description
Fig. 1: Complete overview
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②
③
④
(1) - Thread tensioner for needle thread
(2) - Adjusting wheel for sewing foot pressure
(3) - Thread lever with thread regulator
(4) - Needle bar with needle
(5) - Adjusting wheel for the 2nd stitch length (stitch condensing)
(6) - Adjusting wheel for normal stitch length for sewing
(7) - Thread tensioner for looper thread
(8) - Handwheel
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⑦
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⑤
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