TB-9-2320-280-35-13
TECHNICAL BULLETIN
INSTALLATION INSTRUCTIONS FOR SINGLE CHANNEL GROUND AND AIRBORNE RADIO SYSTEM (SINCGARS) AN/VRC-88F, AN/VRC-89F, AN/VRC-90F, AN/VRC-91F, AN/VRC-92F
OCTOBER 2006
CHANGE 1
TB-9-2320-280-35-13 - Page 58 of 148
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TB 9-2320-280-35-13
Figure 5-45.
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Section XIII. ANTENNA BRACKET AND ANTENNA INSTALLATION
NOTE
Do not tighten screws at this time.
13-1.
Attach antenna mount (5) to rear wall of right rear wheelhouse (3) with three capscrews (6),
six lockwashers (2), three aluminum spacers (4), and nuts (1).
13-2.
Temporarily install support bar (7) on antenna mounting bracket (5).
13-3.
Using support bar (7) as template, locate and mark two hole locations (8). Remove support bar (7).
13-4.
Drill two 0.281-in. diameter holes (8) in right rear wheelhouse (3).
NOTE
Do not tighten bolts at this time.
13-5.
Attach support bar (7) to antenna support bracket with two capscrews (13), lockwashers (10), and
washers (11).
NOTE
Do not tighten capscrews at this time.
13-6.
Attach support bar (7) to right rear wheelhouse (3) with two capscrews (12), washers (11),
spacers (4), lockwashers (10), and nuts (9).
13-7.
Tighten top two capscrews (6) securing antenna mounting bracket (5) to right rear wheelhouse (3).
13-8.
Tighten two capscrews (13) securing support bar (7) to antenna mounting bracket (5).
13-9.
Tighten two capscrews (12) securing support bar (7) to right rear wheelhouse (3).
1. NUT – 9418892 – QTY. 3
2. LOCKWASHER – MS45904-72 – QTY. 6
4. SPACER – 10181-5214-01 – QTY. 3
5. BRACKET, ANTENNA BASE – RF292 – QTY. 1
6. CAPSCREW – B1821BH031F125N – QTY. 3
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