ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 3-1 CHAPTER 3 UNIT MAINTENANCE INSTRUCTIONS Section I.  LUBRICATION INSTRUCTIONS 3.1.   LUBRICATION INSTRUCTIONS. Refer to TM 9-6115-671-14 for special lubrication instructions.  Refer to unit level Preventive Maintenance Checks and Services (PMCS) Table 3-1 for lubrication intervals. Section II.  REPAIR PARTS; TOOLS; SPECIAL TOOLS; TEST, MEASUREMENT AND   DIAGNOSTIC (TMDE); AND SUPPORT EQUIPMENT 3.2.   MAINTENANCE REPAIR PARTS. Repair parts and equipment are listed and illustrated in the Repair Parts and Special Tools List (RPSTL) manual TM 9-2815-259-24P. 3.3.   TOOLS AND EQUIPMENT. There are no special tools or support equipment required to perform unit level of maintenance on the engine.  A list of recommended tools and support equipment required to maintain the engine is contained in Appendix B, SECTION III. 3.4.   FABRICATION OF TOOLS AND EQUIPMENT. There are no fabricated tools/equipment required to perform unit level of maintenance on the engine.  For fabrication of tools and equipment for maintenance of the engine, refer to Appendix F -Illustrated List of Manufactured Items. Section III.  PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) 3.5.   PMCS PROCEDURES. a.   General.  To ensure that engine is ready for operation at all times, it must be inspected so defects can be discovered and corrected before they result in serious damage or failure.  Perform Generator Set PMCS prior to or in conjunction with performance of engine PMCS.  For engine PMCS, refer to Table 3-1. b.   Purpose of PMCS Table.  Your Preventive Maintenance Checks and Services table lists the inspections and care of your equipment required to keep it in good operating condition. c.   Purpose of Service Intervals.  The interval column of your PMCS table tells you when to do a certain check or service. d.   Procedures Column.  The procedures column of your PMCS table tells you how to do the required checks and services.  Carefully follow these instructions. e.   The “Equipment Is Not Ready / Available If” column.  This column tells you when and why the engine cannot be used.