Figure 6-168 8-bin Mailbox Delivery Head Assembly (2 of 4) 4 At the lower-left side of the 8-bin Mailbox frame, locate the Tension Springs on the Anticurl Strings, and remove the 2 screws that secure the springs to the frame (Figure 6-168, callout 2). 5 Remove the Anticurl Strings from the lower pulleys (callout 3). C4085-91087 8-bin Mailbox Removal and Replacement 351