TM 9-6115-659-13&PSection III. PRINCIPLES OF OPERATION1-13. FUNCTIONAL DESCRIPTION.1-13.1 PowerPlantFunctionalDescription.The Power Plants are mobile. The power source for each power plant istwo DOD Model MEP-802A 60 Hz Tactical Quiet 5 kW Generator Sets mounted on a single modified 2-wheel trailer. TheAN/MJQ-35 is mounted on a modified Model M116A3, 1 ton, trailer. The AN/MJQ-35A is mounted on a modified highmobility trailer. The AN/MJQ-36 is mounted on a modified Model M103A3 1 1/2 ton trailer. Each generator set consists ofa liquid-cooled diesel engine, brushless generator, excitation system, speed governing system, fuel system, 24-volt directcurrent starting system, control system, and malfunction protection system. The generator set has a voltage reconnectionswitch that allows either of three output configurations: 120-volt, single phase, 2-wire; 120/240-volt, single phase, 3-wire;or 120/208-volt, three phase, 4-wire. Electrical power to the supported system or equipment is supplied through a switchbox assembly. The switch box assembly is connected between the two generator sets by power cables. The switch boxenables transfer of the load from one generator set to the other without interruption of power. The system or equipmentload cable may be connected to the switch box by either of two arrangements. One way is to connect a load cable to theswitch box output connector. The other way is to connect a load cable to the switch box load terminals.1-13.2 PowerUnitFunctionalDescription.The Power Units are mobile. The power source is one Tactical Quiet 5 kWGenerator Set mounted on either a modified Model M116A3, 2-wheel, 1-ton trailer (PU-797) or a modified high mobilitytrailer (PU-797A). The generator set consists of a liquid-cooled diesel engine, brushless generator, excitation system,speed governing system, fuel system, 24-volt direct current starting system, control system, and malfunction protectionsystem. The generator set has a voltage reconnection switch that allows either of three output configurations: 120-volt,single phase, 2-wire; 120/240-volt, single phase, 3-wire; or 120/208-volt, three phase, 4-wire. The Power Unit uses a DODModel 802A Generator Set operating at 60 Hz. System or equipment load cables are to be connected to the loadterminals on the generator set output panel.1-14. RELATED TECHNICAL MANUALS.Refer to Appendix A for related technical manuals and lubrication orders.Change 2 1-11/(1-12 Blank)
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