8. Mount the cartridge elevator extension:
a. Insert alignment pins of the extension to the slot at the bottom of the
primary chassis as shown in Figure75.
b. Align the tie bar pins of the two narrow tie bars to the holes in the
extension and primary chassis and attach with the four mounting screws
(two each) as shown in Figure76 on page 80.
Figure74. Tensioner ramp/idler pulley
Figure75. Cartridge elevator extension alignment
AppendixB. Adding a library module 79