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6.6) Adjustment of Presser Foot Pressure ------------------------------------------------------ 33
7.1) Regular Check Points -------------------------------------------------------------------------- 34
7.2) Cleaning ------------------------------------------------------------------------------------------- 35
7.3) Daily Cleaning ------------------------------------------------------------------------------------ 35
8.1) Adjustment of Thread Take-up Lever Spring -------------------------------------------- 37
8.2) Adjustment of Thread Guide on Thread Adjusting Device --------------------------- 38
8.3) Adjustment of Feed Dog Position ----------------------------------------------------------- 38
8.4) Height adjustment of feed dog --------------------------------------------------------------- 39
8.5) Adjustment of feed lift shaft cam and lower feed cam -------------------------------- 39
8.6) Needle and Hook Timing ---------------------------------------------------------------------- 40
8.7) Clearance adjustment of hook and opener ----------------------------------------------- 41
8.8) Lubrication adjustment of hook -------------------------------------------------------------- 41
8.9) Adjustment of Presser Foot Height --------------------------------------------------------- 41
8.11) Trimmer ------------------------------------------------------------------------------------------ 43
8.12) Safety Clutch ------------------------------------------------------------------------------------ 45
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main·auxiliary presser foot and needle -------------- 42
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34
37
46
5
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