Seiko CH-2B - 5 Winding the Bobbin Thread; 6 Upper Threading

5 Winding the Bobbin Thread
Bobbin winding should be made by the following order.
(l)Spool pin — (2) Thread guide (arm) — (3) Needle thread tension thread guide — passing
through the clearance betweentwo tension discs —(4) Needle thread tension thread guide
(5)Bobbin (winding several times) — (6)Move the bobbin winding lever.
A
Winding volume should be adjusted bythe screw (7) and positioning ofthe moving lever (6).
6 Upper Threading
Upper threading should be made by the following order.
(I) Spool pin —(2) Thread guide ofthread tension —(3) Clearance of two tension discs —(4)
thread guideofthreadtension —(5) Thread controller-*^disc wind a time— (6) Thread guide
(7) Tension spring — (8) Thread take-up —(9)Thread guide, face plat —(10) Needlecramp
(II) Needle
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From the library of: Superior Sewing Machine & Supply LLC