ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 CHAPTER 1 INTRODUCTION Section I.  GENERAL INFORMATION 1-1.  SCOPE. 1-1.1.  Type of Manual.  This manual contains unit, direct support, and general support maintenance instructions for the Model    4039T    Diesel    Engine,    hereafter    referred    to    as    engine.        Also    included    are    descriptions    of    major systems/components and their functions in relation to other systems/components. 1-1.2.  Purpose of Equipment.  The engine provides a driving force for generators or other equipment requiring this size (HP rating) and compatibility. 1-2.  MAINTENANCE FORMS, RECORDS, AND REPORTS. 1-2.1.  Reports of Maintenance and Unsatisfactory Equipment.  Department of the Army forms and procedures used for equipment   maintenance   will   be   those   prescribed   by   DA   Pam   738-750,   Army   Maintenance   Management   System (TAMMS).      Air   Force   personnel   will   use   AFR   66-1,   Air   Force   Maintenance   Management   Policy,   for   maintenance reporting and TO-00-35D54 for unsatisfactory equipment reporting. 1-2.2.  Reporting of Item and Packaging Discrepancies.  Fill out and forward SF 364 (Report of Discrepancy (ROD)) as prescribed in AR 735-1-2/DLAR 414-55/SECNAVINST 4355.18/AFR 400-54/MCO 4430.3J. 1-2.3.   Transportation  Discrepancy  Report  (TDR)  (SF  361).    Fill  out  and  forward  Transportation  Discrepancy  Report (TDR) (SF 361) as prescribed in AR 55-38/NAVSUPINST 4610.33C/AFR 75-18/MCO P4610.19D/DLAR 4500.15. 1-3.  REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR). 1-3.1.  Army.  If your Military Standard Engine needs improvement, let us know.  Send us an EIR.  You, the user, are the only  one  who  can  tell  us  what  you  don't  like  about  your  equipment.    Let  us  know  why  you  don't  like  the  design  or performance.    Put  it  on  an  SF  368  (Product  Quality  Deficiency  Report).    Mail  it  to  us  at:    Commander,  U.S.    Army Aviation  and  Troop  Command,  ATTN:    AMSAT-I-MDO,  4300  Goodfellow  Boulevard,  St.    Louis,  Missouri  63120-1798. We will send you a reply. 1-3.2.  Air Force.  Air Force personnel are encouraged to submit EIR's in accordance with AFR 9004. 1-4.  DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE. Refer to 750-244-3 for procedures to destroy equipment to prevent enemy use. 1-5.  PREPARATION FOR STORAGE OR SHIPMENT. Refer to TB 740-97-2 for procedures to place the equipment into storage. 1-6.  WARRANTY. The  engine  is  warranted  for  a  specific  period  of  time.    Refer  to  Warranty  Technical  Bulletin  for  the  end  item.    The warranty starts on the date found in block 23, DA Form 24089, in the equipment log book.  Report all defects in material or workmanship to your supervisor, who will take appropriate action. Section II.  EQUIPMENT DESCRIPTION AND DATA 1-7.  GENERAL. The  diesel  engine  (FIGURE  1-1)  is  four  cylinder,  four  cycle,  fuel  injected,  turbocharged,  and  liquid  cooled.    The  firing order is 1-3-4-2.  The number one cylinder is toward the fan end of the engine.  The serial number is found on right side of the cylinder block in the vicinity of the starter.  Rotation of engine is counterclockwise as viewed from flywheel. 1-1