Installation Note N5242-90122 17
Description of the Upgrade
Installation Procedure for the Upgrade
Step 8.Assemble the A24 Mixer Brick and A22 Splitter
Refer to
in this document for this step. New parts are listed in
of this document.
1.
Install the A24 mixer brick (5087-7829) to the mounting block by
hand-starting three screws (item
①
; 0515-1410). Do not tighten.
2.
Install two screws (item
➁
; 0515-0372) and torque to 9 in-lbs.
3.
Go back and torque the three screws (item
①
; 0515-1410) to 9 in-lbs.
Figure 1
A24 Mixer Brick Assembly
Refer to
in this document for the remainder of this step.
4.
Follow the eleven instructions shown in
. If the PNA does include
Option 029A, omit instruction 2 and the unnumbered instruction to install
a splitter - it is already installed. New parts are listed in
of this document.
Graphics in this document such as
use very brief text to instruct
where to connect a cable. For example, text that reads “N5242-60018
IFMUX P201 - BRK1 B” means to connect the N5242-60018 gray flexible
cable at the A20 IF MUX board connector P201 and at A23 Mixer Brick 1
connector B.