7. Replacing the Light-Blocking Belt1) Fully wind the belt q on the bobbin in clockwise direction; then, fix it in place withtape.Figure 3-5272) Fix the light-blocking belt in place on the lens mount.3) Turn the bobbing clockwise and counterclockwise in units of half turns; then, let it goso that the spring inside the bobbin is freed.4) Turn the bobbin clockwise two to two-and-a-half times, and remove the tape and pullout the end of the belt.5) Hook the end of the belt on the lens unit.qweCOPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 3 EXPOSURE SYSTEM3-38