Pfaff hobbylock 4764 Owner's Manual - Page 22

Conversion to 2-thread overlock 1. Open the front cover. Bring the upper looper to its lowest position by turning the handwheel towards you. Put 2-thread overlock convertor on the upper looper. 2. Push the projection (A) of convertor and insert the tip (B) of convertor into the eye (C) of upper looper. A B C Stitch selection table Thread tension Pattern stitches Material (see p. 29) Left needle 4 5 6 Right needle 4 5 6 Upper looper 4 5 6 Lower looper 2 3 4 Stitch length dial Stitch width adjusting dial 2-Thread Light - 1-2 - 3-4 Overlock Medium - 1-2 - 3-4 (Narrow) Heavy - 2-3 - 4-5 2.5-3 4.5 2-Thread Light 1 - - 3-4 Overlock Medium 1 - - 3-4 (Wide) Heavy 2 - - 4-5 2.5-3 4.5 2-Thread Light - 4-6 - 4-6 Narrow edge Medium - 4-6 - 4-6 Heavy - - - - 1-1.5 5.5 2-Thread Light - 5-6 - 3-4 Rolled hem Medium - 5-6 - 3-4 Heavy - - - - 1-1.5 5.5 Since above settings are based on normal weight thread, it may be necessary to adjust the thread tension according to the stitch pattern and type of fabric and thread you are using. The differential feed is normally set at "N". 20