TM-9-2520-238-34 Direct Support for M113 Family Major Assemblies Download

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TM 9-2520-238-34 HOW TO USE THIS MANUAL HOW TO USE THIS MANUAL This manual tells you how to perform direct and general support maintenance for transfer gearcases, final drives, cooling fan right angle drives, steering differential control, single disk pivot brake and hydraulic brake master cylinder for the M113 Family of Vehicles. Before starting a task or procedure, read HOW TO USE THIS MANUAL and GENERAL MAINTENANCE PROCEDURES (WP 0014 00). WHAT’S IN THE MANUAL — FRONT TO BACK This TM supplement is divided into front and rear matter and Work Packages (WPs) for ease of use. The WARNING SUMMARY section provides safety and first aid information. This section includes generalwarnings not found in the TM text and a list of the most important detailed warnings extracted from the WPs. All of these warnings cover hazards that could kill or injure personnel. The TABLE OF CONTENTS lists the WPs. CHAPTER 1 covers general introductory information. The Equipment Description WP gives a brief description of components covered in this manual. CHAPTER 2 covers troubleshooting procedures authorized at the DS/GS maintenance level. CHAPTER 3 includes PMCS procedures. CHAPTER 4 contains maintenance WPs for the cooling fan right angle drives. CHAPTER 5 contains maintenance WPs for the transfer gearcases. CHAPTER 6 contains maintenance WPs for the final drive assemblies. CHAPTER 7 contains maintenance WPs for the steering control differential. CHAPTER 8 contains maintenance WPs for the single disk pivot steer brake and the hydraulic master brake cylinder. CHAPTER 9 contains supporting information for the TM which includes the following WPs: The REFERENCES WP lists references to be used by personnel in operating and maintaining the carrier. The COMMON TOOLS and SUPPLEMENTS and SPECIAL TOOLS/FIXTURES WP lists the tools used in the initial setup. The FABRICATED TOOLS WP lists instructions for making tools authorized to be fabricated at DS or GS maintenance levels. The EXPENDABLE/DURABLE SUPPLIES and MATERIALS lists the expendable supplies and materials used to maintain or repair the carrier. The INDEX is an alphabetical listing of all the tasks in the WPs of this TM. Each entry is cross-referenced to the WP number and page number. The back cover includes a METRIC CONVERSION CHART that can be used to convert U.S. customary measurements to their metric equivalents. Measurements in this manual are given in U.S. customary unit with metric units in parentheses. HOW TO USE THE WORK PACKAGES How to find the WP you need Pick a key word from the carrier part or system to be used during the WP. Look in the INDEX for this key word or the name of the action you will perform. Turn to the page indicated. The INDEX lists each WP under one or more headings. How to read the WP Be sure to read all warnings, cautions and notes. These are in all types of WPs. They help you avoid harm to yourself, other personnel and equipment. They also tell you things you should know about the WP. v