TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9-2350-311-10 Change 4 2-233 2-14 UNLOADING THE 155MM CANNON Procedure WARNING • Before attempting to unload cannon, see misfire/checkfire procedures (para 1-15) to prevent injury to personnel. • Never stand directly behind the cannon when loading or unloading. Injury to personnel may result. CAUTION To avoid damaging M712 projectile, do not use unloading artillery rammer to unload M712 projectile. For unloading or extracting an M712 projectile, refer to paragraph NO TAG. NOTE • A complete round, once loaded, should always be fired, in preference to being unloaded. • Unloading is supervised by an officer. • The command “UNLOAD” is given by an officer. An officer inspects unloading artillery rammer to ensure it is free from obstruction. • The following unloading procedures do not apply to the MACS propelling charge. 1 Cannoneer no. 1 slides firing group block (1) to right and removes primer (2). 2 Assistant gunner depresses cannon to zero elevation. 1 2