TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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CHAPTER 1  INTRODUCTION  Section I. GENERAL  1-1. Scope  a. This technical manual contains instructions  for direct support, general support and depot  maintenance, and listings of repair parts and  special tools for the 12-cylinder, Model AVDS-  1790-2-M, AVDS-1790-2AM, and AVDS-1790-  2A engines (figs. 1-1 through 1-3 and 1-7) and  the AVDS-1790-2A engine (figs. 1-4 through 1-  7). Included are descriptions of and procedures  for, removal of engine accessories and com-  ponents, troubleshooting, disassembly, in-  spection, including engine overhaul standards,  repair, reassembly, and testing of the engines.  b. Appendix A contains a list of current  references, including supply manuals, forms,  technical manuals, and other available  publications applicable to the materiel.  c. Appendix B contains an illustrated list of all  parts and special tools with the estimated  quantities of component parts and equipment  authorized and stocked for Direct Support,  General Support and Depot Maintenance of the  engines.  d. Appendix B also contains illustrated parts  on fold-out pages for rapid reference.  e. This edition of the manual supersedes Field  Maintenance edition of TM 9-2815-200-34  (February 1963), Field and Depot Maintenance  edition of TM 9-2815-200-35 (August 1960)  with changes, and Field and Depot Maintenance  Repair Parts and Special Tool List edition of  TM 9-2815-200-35P (November 1962). Record  any errors or omissions on DA Form 2028  (Recommended Changes for DA Publications),  and forward it to: The Commanding General,  U.S. Army Tank — Automotive Command,  28251 Van Dyke, Warren, Michigan 48090,  Attn: AMSTRA-TP.  1-2. Reference to Other Manuals  a. TM 9-2350-214-10, TM 9-2350-215-10,  TM 9-2350-222-10, TM 9-2350-224-10, TM 5-  5420-202-10, and TM 9-2350-232-10 contain  operating instructions for the materiel as well as  instructions for performing operator / crew  maintenance functions.  b. TM 9-2350-214-20, TM 9-2350-215-20,  TM 9-2350-222-20, TM 9-2350-224-20, TM 5-  5420-202-20, and TM 9-2350-232-20 contain  pertinent Maintenance Allocation Charts  (MAC ) and instructions for the maintenance of  the materiel within the scope of organizational  maintenance.  c. L() 9-2350-214-12, LO 9-2350-215-12, LO  9-2350-222-12, LO 9-2350-224-10, LO 5-5420-  202-20-1, LO 5-5420-202-20-1, and LO 9-2350-  232-10 contain lubricating instructions for the  materiel.  d. TM 9-2910-212-34 contains service in-  formation on the American Bosch fuel injection  metering pump.  e. TM 9-2910-213-34 contains service in-  formation on the Viking vane type fuel pump.  f. TM 9-2920-224-35 contains service in-  formation on the Model G22-6 and G22-6F Lear  Siegler (formerly Jack and Hientz) generators.  g. TM 9-2920-232-34 contains service in-  formation on the Delco-Remy starter.  h. TM 9-2990-200-34 contains service in-  formation on the Schwitzer turbosuperchargers.  1-3. Scope of Manual  a. Chapters 1 through 3. Chapter 1 provides  general inform ation, description, and tabulated  data. Chapter 2 contains a list of special tools  and equipment required for field maintenance,  illustrates three improvised tools, and includes a  shop layout for engine rebuild. Chapter 3 covers  engine troubleshooting and includes a chart to  assist in location of troubles, and corrective  action necessary.  b. Chapter 4. This chapter covers the direct  support maintenance service operations sup-  plementing the Organizational Maintenance  Manuals in paragraph 1-2, above.  c. Chapters 5 and 6. Chapter 5 gives in-  formation  -  on preparation of  disassembly, removal of engine  the engine for  accessories, and  1-1