Canon 580EXII Service Manual page 40

2. Front Cover Ass'y removal
① Rotate the Flash Head horizontally and remove the two screws on the top of the Front
Cover.
② Push the Cover Lock Plate on the Rear Cover inward to remove the Front Cover.
(Fig. 006)
NOTE 
：Front Cover Ass'y removal
・ When pushing on the Cover Lock Plate, make sure to not damage the inner parts by
using excessive force.
NOTE  ：Attaching the Front Cover
・ To attach the front cover, align the notches on the Dust-proof Sheet with the
protrusion on the back side of the Front Cover. (Fig. 007)
Push in this direction
Fig. 006 Position of the Cover Lock Plate
Fig. 007 Alignment of the Dust-proof Sheet
5
Repair Information
Direction of Notches