TM-9-2350-311-34-2

TM 9--2350--311--34--2

Change 3

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Section I.

GENERAL INFORMATION

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SCOPE

a. Type of Manual: Direct support and general support maintenance.

b. Model Number and Equipment Name: M109A2/M109A3/M109A4/M109A5 Howitzer, Medium, Self-Propelled,

155MM. This manual deals with maintenance of the cab and associated components. TM 9--2350--311--34--1 deals

with maintenance of the hull and associated components.

Purpose of Equipment: The howitzer cab, containing the M185 or M284 155MM cannon and secondary armamentM2

heavybarrelcaliber50machinegun,providesthefirepowerforthehowitzer.Thecabcomponentsalsoprovidethefire

control for the 155MM cannon.

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MAINTENANCE FORMS, RECORDS, AND REPORTS

a. Department of the Army forms and procedures used for equipment maintenance will be those prescribed by (as

applicable) DA PAM 750--8, Army Maintenance Management System User’s Manual; DA PAM 738--751, Functional

Users Manual for the Army Maintenance ManagementSystem--Aviation (TAMMS--A);or AR 700--138, Army Logistics

Readiness and Sustainability.

b. Accidents involving injury to personnel or damage to materiel will be reported on DA Form 285 (Accident Report) in

accordance with AR 385--40. Explosives and ammunition malfunctions will be reported in accordance with AR 75--1.

For information on ammunition refer to SB 742--1, Ammunition Surveillance Procedures; and AR 700--22, Worldwide

Ammunition Reporting System (WARS).

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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. For general guidelines to follow in destruction of equipment to prevent enemy use,

refer to TM 9--2350--311--20--2.

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