TB-9-2320-280-35-13 HMMWV Technical Bulletin Installation for SINCGARS FBCB2 PLGR EPLRS 20W Radio Download
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5-86 TB 9-2320-280-35-13 Section XXVII. LOUDSPEAKER MOUNT INSTALLATION 27-1. Locate, mark, and drill one 0.391-in. diameter hole (1) in B-beam (3). 27-2. Using speaker mounting bracket (7) as template, locate, mark, and drill second 0.391-in. diameter hole (2) in B-beam. 27-3. Install two inserts (8) in holes (1) and (2) in B-beam (3). 27-4. Install loudspeaker mounting bracket (7) on B-beam (3) with two capscrews (4), lockwashers (5), and washers (6). 27-5. Install loudspeaker (11) on loudspeaker bracket (7) with existing lockwasher (10) and wing nut (9). Figure 5-103. 4. CAPSCREW – B1821BH025C088N – QTY. 2 5. LOCKWASHER – MS35338-44 – QTY. 2 6. WASHER – MS27183-10 – QTY. 2 8. INSERT – 12446871-2 – QTY. 2 11. SPEAKER – 10181-5180-01 – QTY.1 3 1 4 5 6 7 8 9 7 11 10 2 33.50 1.00 ~ 3 ~