18
Installation Note
N9020-90239
Installation Procedure
Top Brace and Reference Bracket
1. Refer to
. To remove the top brace
(1)
and reference bracket
(2)
, use the T-10 driver to
remove the twelve panhead screws
(3)
(0515-0372), six on each side, attaching the braces to the
chassis. Also remove the six flathead screws
(4)
(0515-1227) attaching the top brace to the
boards.
Figure 9
Top Brace and Reference Bracket Removal
2. Remove the four flat head screws securing the reference bracket to the top brace. The top brace
will be reinstalled later, but the reference bracket will not be reused.