Page 211 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

5 Adjust the transverse feed of the winding machine guides such that the length of the inner side of the bobbin
so as to maintain the length of the coil as in the original. Refer to number 2 of Figs 6 and 7. You may need
several trials before final setting.
6 Place one layer of paper or cloth as core insulation on the bobbin smoothly without crease.
7 Solder a connecting lead and sleeve the same with the beginning end of the selected winding. Place the lead
wire at one end of the bobbin and take it through the bobbin flange outlet and tie with a knot to avoid slipping
as shown in Fig 8.

If the winding wire thickness is sufficiently large, soldering of connecting lead wire is not necessary.

194

CITS : Power - Electrician & Wireman - Exercise 86