TB-9-2320-280-35-14

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

SEPTEMBER 2006

TB-9-2320-280-35-14 - Page 100 of 148

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TB 9-2320-280-35-14

NOTE

Perform step 27-10 only if not installing cargo soft-top enclosure;

otherwise, start with step 27-11.

27-10.

Install antenna (27) and gasket (28) on antenna mount assembly (25) with four capscrews (26),

eight lockwashers (33), and four nuts (32).

NOTE

Perform steps 27-11 and 27-12 only when installing cargo

soft-top enclosure.

27-11.

Install cargo soft-top enclosure (34). (Refer to TM 9-2320-280-10.)

NOTE

Ensure all slack has been taken out of cargo soft-top enclosure,

and that cargo soft-top enclosure has been properly installed.

27-12.

Using antenna (27) as template, locate, mark, and drill four 0.375-in. holes (35) and cut “X” (36) in

cargo soft-top enclosure (34).

27-13.

Install antenna (27) and gasket (28) on antenna mount assembly (25) and cargo soft-top

enclosure (34) with four capscrews (26), eight lockwashers (33) and four nuts (32), ensuring that

ground strap (31) is inserted through cut hole (36).

27-14.

Install ground strap (31) on antenna mount assembly (25) with screw (30), three lockwashers (29),

and nut (20).

27-15.

Tighten nuts (20) and (32).

Figure 5-97.

20. NUT – 9419143 – QTY. 1

26. CAPSCREW – B1821BH038C150N – QTY. 4

27. ANTENNA – A3017889-2 – QTY. 1

28. GASKET – A3013655-1 – QTY. 1

29. LOCKWASHER – MS45904-68 – QTY. 3

30. CAPSCREW – B1821BH025C075N – QTY. 1

31. GROUND STRAP

• BRAIDED WIRE – AA59569F30T0375 – QTY. A/R

• TERMINAL LUG – MS20659-141 – QTY. 2

32. NUT – 13218E0320-293 – QTY. 4

33. LOCKWASHER – MS45904-76 – QTY. 8

26

33

28

27

31

33

32

34

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31

20

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33

26

27

28

25

30

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35

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