TM 5-3805-258-24-2ENGINENegative battery cable to generator terminal (D-)or (B-). Positive battery cable to ammeter. Fromammeter to generator terminal (B+).Voltmeter leads to(D–) or (B–).Observe correctvoltmeter.generator terminals (B+) andCAUTIONpolarity whenconnectingIf needed for pre-excitation (only after assembly),connect a 24V indicator lamp (3 watt) between bat-tery positive and generator D+ terminal. This proce-dure is needed when a new rotor is installed.TESTINGTest ProcedureAdjust generator speed to 5,000 RPM.Set load current to 5A by adjusting the carbon pile. Ifnecessary, re-adjust generator speed. In one minute,the regulated voltage reading should be 27.5V to28.3V.NOTE: If the generator has been disassembled andthen assembled with a new rotor, the generator mustfirst be externally excited through a 3 watt. 24Vlamp or 3 watt resistor. Thereafter, the generator isself-excited.5-12j
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