TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 5-5 BREECH MECHANISM This task covers: a. Disassembly c. Assembly b. Inspection INITIAL SETUP Tools Artillery and turret mechanic’ s tool kit (SC 5180-95-CL-A12) Artillery field maintenance tool kit (SC 4933-95-CL-A06) Materials/Parts Lockwashers (4) (item 69, Appx E) M109A2/M109A3/M109A4 Lockwashers (3) (item 70, Appx E) M109A2/M109A3/M109A4 Lockwashers (2) (item 77, Appx E) Lockwire (item 36, Appx E) M109A5 Personnel Required 3 References TM 9-1000-202-14 Equipment Condition Carrier assembly removed (TM 9-2350-311-20-2) a. Disassembly Wear steel-tipped safety shoes, safety glasses and gloves to avoid possible injury. Make sure breechblock is in closed position to avoid possible injury. Springs of breechblock are under 130 lb-ft (176 N· m) load pressure. Use extreme care when removing components of the breech mechanism to avoid possible injury. 5-35