TM-9-2350-311-34-2
CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM
TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-2350-311-34-2 - Page 19 of 552
TM 9-2350-311-34-2
HOW TO USE THIS MANUAL
This manual consists of:
1. Instructions for direct and general support maintenance on the M109A2/M109A3/M109A4/M109A5, 155MM, Self-
Propelled, Medium, Howitzer cab systems and components. These tasks are listed in the Maintenance Allocation
Chart (MAC) contained in TM 9-2350-311-20-2.
2. Location and description of the M109A2/M109A3/M109A4/M109A5 howitzer cab systems and components.
3. Cab systems/components maintenance procedures to:
a. Perform troubleshooting of malfunctioning systems/components (isolation of malfunction causes).
b. Remove, repair, and install cab system/components.
4. Appendixes for detailed listings of:
Appendix A. References applicable to M109A2/M109A3/M109A4/M109A5 howitzer, including supply catalogs,
forms, and other M109A2/M109A3/M109A4/M109A5 publications.
Appendix B. Expendable and durable items list.
Appendix C.
Illustrated list of manufactured items.
Appendix D. Torque limits.
Appendix E. Mandatory replacement parts list.
Appendix F.
Tool identification list.
Appendix G. Hydraulic schematic symbols.
Index
Foldouts (FOs): Electrical and hydraulic schematics.
Indexing
Five major indexing procedures are used in this manual to help mechanics locate information rapidly.
1. Cover Index: Lists sections of text and page number. Includes index mark which lines up with index marks on the actual
page of reference.
Example: Troubleshooting 2-17
2. Table of Contents.
3. Chapter and section indexes listing data/information covered within the chapter and section.
4. Quick Guide to Troubleshooting identifies system malfunction and provides paragraph references for specific
troubleshooting procedures or maintenance action.
5. Index: Alphabetical listing of information.
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