TM-9-2920-258-30&P Technical and Parts Manual for 5520AB Generator Download
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TM 9-2920-258-30&P NOTE Ž The voltage has to be adjusted to 28 volts when any part of a load is added. Check the AC ammeter. While watching the AC ammeter, rotate the phase select switch through A, B and C positions. There should be no more than a 1-ampere difference between each phase. • Check the AC voltmeter. While watching the AC voltmeter, rotate the select switch through the T1, T2; T1, T3; and T2, T3 positions. There should be no more than l-volt difference between each circuit. 10 Using a multimeter, place the red lead on terminal “ac” and ground the black lead. Check for 12- 16 volts AC. 11 If the Alternator meets the above requirements, it is serviceable. e Test Stand Shutdown CAUTION Do not turn master load switch OFF first as damage to equipment may result. 1 Turn the ignition switch OFF. 2 Turn the master load switch OFF. 3 Turn the battery switch OFF. 4 Reduce test stand speed to 1000 rpm. 5 Depress the STOP button. 6 Return all switches and controls to the base setting. 7 Remove the Alternator and regulator from the test stand. 8 Place all leads in the storage compartment of the test stand. D-16