TM 9-6115-604-34
NAVFAC P-8-633-34
CHAPTER 1
INTRODUCTION
SECTION I. GENERAL
1-1. SCOPE. This manual contains instructions for direct support and general support and depot maintenance personnel
maintaining the 750 kW diesel engine driven generator set MEP208A. The MEP208A is a 50/60 Hertz (Mode 1), prime
utility (Type 1, Class 2A) set and is maintained as authorized by the Maintenance Allocation Chart (MAC). This manual
provides information on the maintenance of the equipment which is beyond the scope of the tools, equipment, personnel,
or supplies normally available to the operator/crew and organizational levels. Where the contents of referenced
documents conflict with the contents of this manual, the contents of this manual will be followed.
1-2. LIMITED APPLICABILITY. Some portions of this publication are not applicable to all services. These portions are
prefixed to indicate the services to which they pertain: (A) for Army and (N) for Navy. Portions not prefixed are
applicable to all services.
1-3. MAINTENANCE FORMS AND RECORDS. The forms and records used for maintenance purposes by the various
services are specified as follows:
a. (A) Maintenance forms and records used by Army personnel are prescribed by DA Pam 738-750.
b. (N) Navy users should refer to their service peculiar directives to determine applicable maintenance forms and
records to be used.
1-4. REPORTING OF ERRORS. Reporting of errors, omissions, and recommendations for improvement of this
publication by the individual user is encouraged. Reports should be submitted as follows:
a. (A) Army - DA Form 2028 or 2028-2 located in back of manual directly to: Commander, U.S. Army Aviation
and Troop Command, ATTN: AMSAT-1-MP, 4300 Goodfellow Blvd., St. Louis, MO 63120-1798.
b. (N) Navy - by letter directly to: Commanding Officer, U.S. Navy, Ship Parts Control Center, ATTN: Code 783,
Mechanicsburg, PA 17055.
1-5. LEVELS OF MAINTENANCE ACCOMPLISHMENT. The authorized maintenance and repair functions will be
accomplished as follows:
a. (A) Army users shall refer to the Maintenance Allocation Chart (MAC) for tasks and levels of maintenance to be
performed. The MAC is located in Appendix C of the Operator and Organizational Maintenance Manual.
b. (N) Navy users shall determine their maintenance levels in accordance with their service directives.
SECTION II. DESCRIPTION AND TABULATED DATA
1-6. DESCRIPTION. A general description of the generator set and the auxiliary equipment used in conjunction with it is
contained in the Operator and Organizational Maintenance Manual. Detailed descriptions of the components of the
generator set are provided in the applicable maintenance paragraphs of this manual.
1-7. TABULATED DATA. This paragraph contains all maintenance data pertinent to direct and general support and
depot maintenance personnel.
a. Identification and Instruction Plates. Refer to the Operator and Organizational Maintenance Manual for the
location of identification and instruction plates in the generator set.
b. Torque Data. Table 1-1 lists all components that require special torques. Table 1-2 contains torque values for
capscrews. Table 1-3 contains torque values for locknuts and lockscrews.
c. Repair and Replacement Standards. Table 1-4 contains wear data for critical components.
d. Schematics and Wiring Diagrams. FO-1 through FO-12 are the schematic and wiring diagrams for the
generator set and auxiliary equipment. Foldouts FO-13 through FO-38 are wiring harness diagrams for the generator set
and auxiliary equipment.
e. System Capacities and Detailed Data on Components Table 1-5 gives system capacities for the fuel, cooling,
and lubrication systems. This table also provides specifications of components in the generator set applicable to the
field, general support, and depot level. Additional tabulated data is contained in the Operator and Organizational
Maintenance Manual.
1-1
