TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 331 of 775
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
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