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 608 of 775

TM 9-2350-311-10
5-12 MAINTENANCE
Alteration of loaded ammunition or components is prohibited. Unauthorized modification of
ammunition could cause critical malfunction resulting in injury to personnel.
NOTE
Proper performance of ammunition maintenance procedures when ammunition is received by
using units assures that ammunition on hand is kept ready for use.
a. General
NOTE
Do not open sealed boxes or containers unless defective ammunition is suspected.
1
2
3
4
5
6
7
Inspect ammunition packaging daily. Open boxes or containers that show evidence of contamination or
deterioration and inspect ammunition.
Preparations of M712 copperhead projectiles for firing are found in section IV. of this chapter, as well as
care, maintenance, inspection, unpackaging, and repackaging of the M712 projectile.
Inspect unpackaged ammunition and explosive components daily.
Wipe off wet or dirty ammunition at once, Remove light corrosion. Do not polish ammunition to make it
look better.
Consider ammunition unserviceable if it has severe rust or propellant contamination, particularly
moisture. Do not use except in emergency.
When repackaging ammunition, put it back in original container. If other packing material must be used,
the old marking should be transferred to the new containers.
See paragraph 5-13 for the Loose Projectile Restraint System (LPRS), which is an optional system for
securing loose unfuzed projectiles for transportation.
b. Projectiles
1
Visually inspect projectiles for the following defects.
(a) Distorted, out of round, or damaged body.
(b) Dirt or other foreign material.
(c) Seepage of explosive filler.
(d) Rust through projectile baseplate.
5-72


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