TECHNICAL MANUAL No. 9-4931-710-14&P HEADQUARTERS DEPARTMENT OF THE ARMY You can help improve this manual. If you find any mistakes or if you know of a way to improve the procedures, please let us know. Mail your letter, DA form 2028 (Recommended Changes to Publications and Blank Forms), or DA form 2028-2, located in the back of this manual directly to: Commander, U.S. Army Armament, Munitions and Chemical Command, ATTN: AMSMC-MAS, Rock Island, IL 61299-6000. A reply will be furnished directly to you. HOW TO USE THIS MANUAL This manual describes the operator, organizational, direct support, and general support maintenance procedures for the M139/M140 alinement device. Before beginning any maintenance tasks on the M139/M140 alinement device, you should become thoroughly familiar with this manual. OVERVIEW This manual is organized by chapters, sections, and appendixes. A summary follows. Front cover index gives you a quick reference to sections and appendixes. Table of Contents The contents of the chapters and appendixes are listed here. Chapter 1 - This chapter contains general information about the alinement device. It also shows and describes major components and lists specific data that you will find helpful while performing tasks. Chapter 2 This chapter describes alinement device inspection, troubleshooting, and maintenance procedures that must be performed upon receipt of equipment. Appendix A - This appendix lists the technical manuals and other publications that may be required while performing maintenance on the alinement device. Appendix B This appendix lists the spares that may be required to maintain the alinement device. Appendix C This appendix lists the expendable/durable supplies and materials list required to perform maintenance on the alinement device. Index - The index is an aphabetical listing of the contents of this manual. Back Cover The inside back cover contains a metric conversion table. USING THE MANUAL ON THE JOB Find the task or components that needs repair by using the Index (p Index 1), then turn to the page listed for that task or component. Read the INITIAL SETUP procedures, and gather the necessary items. Pay attention to the warnings. The INITIAL SETUP sheet is described on page iv. - 3. TOOLS These are the tools and equipment you will need to do the task. 4. MATERIALS 5. PARTS 6. These are the supplies you will need to do the task. If parts are required, they are listed here by nomenclature and either part number or national stock number. REFERENCES - These are troubleshooting and other technical publications that you need to help do the task. Type of Manual: Operator, Organizational, Direct support and General Support Maintenance. a. b. Model Numbers and Equipment Names: (1) M139 Alinement Device (2) M140 Alinement Device C. Purpose of Equipment: Verify boresight retention of artillery pieces. 1-2 MAINTENANCE FORMS, RECORDS, AND REPORTS Department of the Army forms and procedures used for equipment maintenance will be those prescribed by DA PAM 738-750, The Army Maintenance Management System (TAMMS) as contained in the Maintenance Management Update. |