TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 5–5 5–3 FIRING MECHANISM ASSEMBLY, M49 (M284 CANNON) This task covers: a. Disassembly b. Inspection c. Assembly INITIAL SETUP Applicable Configuration M109A5 howitzer Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) M34 Fuzesetter (item 1, Appx H) Materials/Parts GAA (item 17, Appx D) Personnel Required 2 Equipment Condition Firing mechanism removed (TM 9–2350–311–10) a. Disassembly 1 Place firing mechanism (1) on solid surface. 2 Place M34 fuzesetter over follower (2) and depress until grooved pin (3) can be removed from manual control lever (4) and hammer guide yoke (5). Remove grooved pin and manual control lever. WARNING Springs are under compression. Raise M34 fuzesetter, follower, and case assembly slowly or per- sonnel injury may result. 3 Raise and remove M34 fuzesetter, follower (2), and case assembly (6). 4 Remove two retaining rings (7) and two grooved pins (8) from case (9), if damaged. 8 7 2 3 4 6 9 1 5