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 40 of 775
TM 9--2350--311--10
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Change 2
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CORROSION PREVENTION AND CONTROL (CPC)
Corrosion Prevention and Control (CPC) of Army materiel is a continuing concern. It is important that any corrosion
problems with the howitzer be reported so that the problem can be corrected and improvements can be made to
prevent the problem in the future.
While corrosion is typically associated with rusting of metals, it can also include deterioration of other materials, such
as rubber and plastic. Unusual cracking, softening, swelling, or breaking of these materials may be a corrosion
problem.
If a corrosion problem is identified, it can be reported using SF 368, Product Quality Deficiency Report. Use of
keywords such as “corrosion,” “rust,” “deterioration,” or “cracking,” will ensure that the information is identified as a
CPC problem.
The form should be submitted to:
Commander
U.S. Army Armament Research, Development and Engineering Center
ATTN: AMSTA--AR--QAW--A (R)/Customer Feedback Center
Rock Island, IL 61299--7300
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DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE
Refer to TM 750--244--6 for procedures on how to destroy the M109 self-propelled howitzer. You will find procedures
for destruction of munitions in TM 43--0002--33 (improved conventional munitions). Procedures for destruction of
chemical munitions are outlined in TM 3--250.
Below are some general guidelines to follow in destruction of equipment to prevent enemy use.
Destruction of the vehicle, armament, and equipment when subject to capture or abandonment in a combat zone, will
be undertaken only when the unit commander decides such action is necessary in accordance with orders of, or policy
established by, the Army commander.
In general, destruction of essential parts, followed by burning, will usually be sufficient to render the vehicle,
armaments, and equipment useless. Time is usually critical.
Materiel must be damaged so that it cannot be restored to usable condition by either repair or cannibalization. If a lack
of time or personnel prevents destruction of all parts, give priority to destruction of parts hardest to replace. It is
important that the same parts be destroyed on all units to prevent construction of one complete unit from several
damaged ones.
All items of sighting and fire control instruments and equipment, especially telescopes, gunner’s quadrants, and
binoculars, are costly and difficult to replace. They should be conserved whenever possible. If you cannot carry them
with you, destroy them by smashing with your sledgehammer, pick, or mattock. Throw the pieces in all directions.
When time is short, a method of destroying the equipment with materiels at hand is as follows:
Retrieve or smash sighting and fire control equipment.
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