TM 9-6115-658-13&P 1-2 1-8    LIST OF ABBREVIATIONS. Refer to glossary at the back of this manual. 1-9    LEVELS OF MAINTENANCE. (A) Army users shall refer to the Maintenance Allocation Chart (MAC) for tasks and levels of maintenance to be performed. Section II.  EQUIPMENT DESCRIPTION AND DATA 1-10 EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES. 1-10.1    Characteristics. The power plants consist of two DOD Model MEP-831A Tactical Quiet Generator Sets mounted on a modified M116A3 one ton trailer.  Each generator set operates at 60Hz and is an air-cooled, diesel engine driven, single-phase unit, with a load capacity of 3 kW.  Refer to TM 9-6115-639-13 for detailed equipment characteristics about the 3kW generator set.  Modifications to the M116A3 trailer chassis used for both power plants consist of platform/fenders, accessory box, rear leveling-support jack, fire extinguisher/brackets, and generator set mounting rails.  In addition, the AN/MJQ-42 Power Plant trailer contains a stowage rack, used to carry an antenna mast, mast kit, and mast extension kit, cable reel, mast supports, and antenna mounts.  Power plant output is supplied from either generator set to the system or equipment being powered through a switch box mounted on the trailer.  For operation of a single generator set, the load cables may be connected directly to the generator set output load terminals.  Refer to TM 9-2330-202-14&P for detailed equipment characteristics about the M116A3 trailer. 1-10.1.2   Power Plant AN/MJQ-42.  This power plant has two generator sets, a cable reel, a stowage rack and a switch box mounted on a modified one ton trailer. 1-10.1.3   Power Plant AN/MJQ-43.  This power plant has two generator sets and a switch box mounted on a modified one ton trailer. 1-10.2     Capabilities and Features. 1-10.2.1  Power Plant AN/MJQ-42.   TOWING VEHICLE AN/MJQ-42 .............................................................. CUCV or HMMWV   TIRE PRESSURE (Highway).......................................... 35 psi (241.3 kPa)   ELECTRICAL OUTPUT - 60 Hz: 120 volts, single phase, 2 wire..................................... 31 amps 120/240 volts, single phase, 3 wire.............................. 16 amps 1-10.2.2  Power Plant AN/MJQ-43.   TOWING VEHICLE ......................................................... CUCV or HMMWV   TIRE PRESSURE (Highway).......................................... 35 psi (241.3 kPa)   ELECTRICAL OUTPUT - 60 Hz: 120 volts, single phase, 2 wire..................................... 31 amps 120/240 volts, single phase, 3 wire.............................. 16 amps 1-11.   LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. Refer to Figures 1-3 and 1-4 and Tables 1-3 and 1-4.