TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 8–58 8–12 GUNNER’S SELECTOR SWITCH BOX ASSEMBLY — CONTINUED c. Assembly — Continued 20 Install three new packings (21) and three hex nuts (20) on three toggle switches (17). 21 Aline holes of new gasket (19) and box (18). Insert three toggle switches (17) through three vertical holes in gasket and box. Install three switch guards (16), three key washers (15), three washers (14), and three hex nuts (13) on toggle switches (17). 22 Install two hex nuts (12) on two indicator lights (11). 23 Install two indicator lights (11) with two new seals (10) and two hex nuts (9). 24 Install clamp (8), cap screw (7), and new lockwire (6) on gunner’s selector switch box assembly (2). 25 Connect internal wiring in gunner’s selector switch box assembly (2). WIRING CHART WIRE FROM TO LUG TERMINAL ITEM SIZE SPEC LENGTH UNIT TERM. UNIT TERM. MS25036 NO. AWG –xxx REQD 1 12 * As reqd J2 P CB1 A –156 1 2 12 * As reqd CB1 B S1 3 –156,–111 1 EA 3 20 * As reqd S1 3 J1 A –101 1 4 20 * As reqd CB1 B DS1 3 –149 1 5 16 * As reqd S1 2 S2 2 –106 2 6 20 * As reqd S1 2 DS1 2 –101 1 7 16 * As reqd S2 1 J2 A –106 1 8 20 * As reqd J2 N CR1 ANODE -- -- 9 20 * As reqd J1 B DS1 1 -- -- 10 20 * As reqd DS1 1 DS2 1 -- -- 11 20 * As reqd DS2 1 CR1 ANODE -- -- 12 16 * As reqd J2 F CB1 B –153 1 13 20 * As reqd DS1 3 DS2 3 -- -- 14 16 * As reqd S3 3 J2 C –106 1 15 16 * As reqd S3 6 J2 6 –106 1 16 20 * As reqd S3 6 CR1 CATHODE –101 1 17 20 * As reqd S3 6 DS2 2 –101 1 18 16 * As reqd S2 2 S3 2 –106 2 19 16 * As reqd S2 2 S3 5 –106 2 20 16 * As reqd S3 5 J2 E –106 1 *NOTE: HW–C–12–(19)–U–9, MW–C–16–(19)–U–9, and MW–C–20–(7)–U–9.