Necchi Supernova Instructions Manual page 65

Note: It is necessary to check if both conditions 1 and 2 are met.
If not, adjust the feed dog, following this procedure:
Fig. 56
Loosen screw No. 1 (Fig. 55) and adjvist the crank No. 2 as
require
ed; tighten the screw No. 1 firmly.
Check again if both conditions 1 and 2 are met. If not, keep on
adjusting crank No. 2 until they are.
65
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