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Description of the Upgrade
Installation Procedure for the Upgrade
Step 8. Assemble the A24 Mixer Brick and A22 Splitter
Refer to
1-1 on page 13
IMPORTANT! The A22 splitter (5087-7139) and N5222-20007,
N5222-20008, and N5222-20009 cables are only used with a legacy
HMA26.5 p/n: 5087-7765. If your PNA has a new N5240-60101 assembly
installed, then set aside these parts as spares for use in other PNAs with
the older HMA26.5 or discard. If you are unclear which HMA26.5 assembly
your PNA has installed, refer to
1. Install the A24 mixer brick (5087-7829) to the mounting block by
2. Install two screws (item
3. Go back and torque the three screws (item
Figure 2
A24 Mixer Brick Assembly (5087-7829, 0515-0372, 5087-7829)
Refer to
1. The A22 splitter (5087-7139) and N5222-20007, N5222-20008, and N5222-20009 cables are only used with
a legacy HMA26.5 p/n: 5087-7765. If your PNA has a new N5240-60101 assembly installed, then set aside
these parts as spares for use in other PNAs with the older HMA26.5 installed or discard. If you are unclear
which HMA26.5 assembly your PNA has installed, refer to
Installation Note N5242-90127
Figure 2
in this document for this step. New parts are listed in
of this document.
hand-starting three screws (item
Figure 3
in this document for the remainder of this step.
Figure 1 on page
; 0515-1410). Do not tighten.
; 0515-0372) and torque to 9 in-lbs.
; 0515-1410) to 9 in-lbs.
Figure 1 on page
10.
1
Table
10.
21
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