TM-9-2350-311-34-1
HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS: HOWITZER, MEDIUM, SELF-PROPELLED, 155MM
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-2350-311-34-1 - Page 12 of 352
TM 9-2350-311-34-1
HOW TO USE THIS MANUAL
GENERAL
This manual contains direct support and general support maintenance instructions for the M109A2/M109A3/M109A4/
Ml 09A5 Howitzers’ hull and hull-related components.
The front matter in this manual consists of
a
cover index, general warnings, and a table of contents.
This manua is divided into 10 chapters
and
6 appendixes. Each chapter and appendix begins on a right page with the
page number of 1. Pages are numbered after the chapter number or appendix letter For example 1-14 means Chapter
1, page 14, and A-2 means Appendix A, page 2.
At the end of this manual are an alphabetical index, eight schematics, DA Form 2028-2, and a metric conversion chart.
a. Front Matter
The front cover has an index for the major divisions in this manual The first page of the associated major division has
a black edge that lines up with the applicable cover boxed-in area.
There are general warnings that start on the first right page immediately after the cover that should be read before
performing any maintenance on the howitzer.
The table of contents indicates the page where each chapter, section, appendix, and paragraph starts.
b. Chapters
Chapter 1 provides general information, equipment description, and principles of operation of the howitzer.
Chapter 2 provides maintenance instructions for the hull
Chapter 3 provides direct support and general support troubleshooting procedures for the howitzer.
Chapter 4 provides direct support and general. support maintenance instructions for separating and assembling the
powerplant components.
Chapter 5 provides direct support and general support maintenance instructions for the fuel and air intake systems.
Chapter 6 provides direct support and general support maintenance instructions for the cooling system.
Chapter 7 provides direct support and general support maintenance instructions for the electrical system.
Chapter 8 provides direct support and general support maintenance instructions for the final drive and track suspension.
Chapter 9 provides direct support and general support maintenance instructions for hull-related components.
Chapter 10 provides direct support and general support maintenance instructions for the engine and battery
winterization kit.
Iv
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