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 105 of 148

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TB 9-2320-280-35-14

NOTE

Perform step 28-10 only if not installing cargo soft-top enclosure;

otherwise, start with step 28-11.

28-10.

Install antenna (33) and gasket (32) on antenna mount assembly (16) with four capscrews (26),

eight lockwashers (27), and four nuts (28).

NOTE

Perform steps 28-11 and 28-12 only when installing cargo soft-top

enclosure.

28-11.

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.

28-12.

Using antenna (33) as template, locate, mark, and drill four 0.375-in. holes (35) and cut “X” (36) in

cargo soft-top enclosure (34).

28-13.

Install antenna (33) and gasket (32) on antenna mount assembly (16) and cargo soft-top

enclosure (34) with four capscrews (26), eight lockwashers (27), and four nuts (28), ensuring that

ground strap (29) is inserted through cut hole (36).

28-14.

Install ground strap (29) on antenna mount assembly (16) with screw (31), three lockwashers (30),

and nut (21).

28-15.

Tighten nuts (21) and (28).

30

31

16

32

33

26

27

28

27

29

21

Figure 5-102.

30

21. NUT – 9419143 – QTY. 1

26. CAPSCREW – B1821BH038C150N – QTY. 4

27. LOCKWASHER – MS45904-76 – QTY. 8

28. NUT – 13218E0320-293 – QTY. 4

29. GROUND STRAP

• BRAIDED WIRE – AA59569F30T0375 – QTY. A/R

• TERMINAL LUG – MS20659-141 – QTY. 2

30. LOCKWASHER – MS45904-68 – QTY. 3

31. CAPSCREW – B1821BH025C075N – QTY. 1

32. GASKET – A3013655-1 – QTY. 1

33. ANTENNA – A3005031 – QTY. 1

26

27

32

33

36

29

28

27

34

35

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