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 39 of 775
TM 9--2350--311--10
Change 6
1--1
CHAPTER 1
INTRODUCTION
Section I.
GENERAL INFORMATION
1--1
SCOPE
a.
Type of Manual: Operator’s.
b.
Model Number and Equipment Name: M109A2/M109A3/M109A4/M109A5 Howitzer, Medium, Self-Propelled,
155MM.
c.
Purpose of Equipment: The howitzer is a vehicle that provides armored combat support. It allows firing through its
primary armament, M185 or M284 155MM cannon assembly, and its secondary armament, M2 heavy barrel
caliber 50 machine gun.
d.
Special Inclusions in the Manual: Section IV. of Chapter 1 outlines section drill procedures to be practiced for
performance improvement. Appendix F provides on-vehicle loading plans.
1--2
MAINTENANCE FORMS AND PROCEDURES
Department of the Army forms and procedures used for equipment maintenance will be those prescribed by DA PAM
750--8, as contained in the Maintenance Management Update.
1--3
AMMUNITION
1--3.1
Injury/Damage
Accidents involving injury to personnel or damage to material will be reported in accordance with AR 385--40.
Explosives and ammunition malfunctions will be reported in accordance with AR 75--1.
1--3.2
Safety, Care, and Handling
For safety, care, and handling of ammunition, refer to paragraph 2--15 and to Chapters 5 and 6.
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