TM-9-2350-358-BD
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE
MARCH 1994
TM-9-2350-358-BD - Page 11 of 343
TM 9-2350-358-BD
HOW TO USE THIS MANUAL
Use this TM for expedient repairs or fixes on the M109A6 howitzer in battlefield environment.
The repairs or fixes in this
manual are not permanent nor are they normal maintenance procedures.
When conditions allow, make normal repairs.
WARNINGS
Review warning pages prior to performing any procedure.
Warnings in text are abbreviated ORGANIZATION.
ORGANIZATION
This manual contains general fault assessment tables in Chapter 2.
These tables are organized by major howitzer system
and direct you to detailed assessment procedures in other chapters.
The detailed assessment procedures isolate the
problem and lead to an expedient repair procedure, if one exists.
WHERE TO START
You must first determine which system, such as, engine, fuel, or cooling, has been damaged before beginning an
expedient repair procedure in this manual.
After you have identified the system, go to the table of contents, which will
identify the chapter for the damaged system.
Proceed to the appropriate fault assessment table to determine the fault,
which in turn will direct you to the procedure to repair it, if it exists.
If you do not know what your problem is, use the
assessment procedures described in Chapter 2.
HOW TO USE AN EXPEDIENT REPAIR PROCEDURE
You will find all the information you need to perform the procedure on the first page.
All of the information blocks are described in the following paragraphs.
GENERAL INFORMATION
.
You will find a brief description of what can happen when a given component is damaged
and/or a general idea of what the expedient repair will accomplish.
APPLICABILITY
.
The data under this heading identifies whether or not the procedure is applicable to a specific model or
component if the procedure is applicable to all models or components, this heading will not be listed.
LIMITATIONS
.
Operational limitations caused by the repair action that could cause further damage/degradation to the
howitzer are listed here.
PERSONNEL/TIME REQUIRED
.
The estimated number of soldiers needed and estimated time required to complete the
repair are listed here.
MATERIALS/TOOLS
.
If materials and/or tools, other than those commonly available to the crew, Maintenance Team
(MT), and Maintenance Support Team (MST) are needed, they are listed in this manual.
If the listed items are not
available, you are requested to improvise.
Virtually anything that will do the job is acceptable.
OTHER OPTION(S).
This lists other options you can use depending on availability of personnel, material, tools, and/or
time.
This does not include standard maintenance procedures or recovery.
This list is not all inclusive, therefore other
means of repair may be available, but not included in this manual.
Anything that you can do to effect a repair is
acceptable.
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