TM 9-2320-289-344-2.ALTERNATOR TESTING AND REPAIR (ALL EXCEPT M1010).This task covers:a. Alternator Output Testingd. Component Testingb. Disassemblye. Assemblyc. Cleaning and InspectionINITIAL SETUP:Materials/PartsToo/s/Test EquipmentOne generator positive (+) terminallpackagelOne generator negative (-) terminallpackagelOne generator relay terminal packagelCrocus cloth (Item 18, Appendix B)500 amp test standBelt tensioning gageMultimeterTest lightTorque wrenchDry cleaning solvent (lterm 23, Appendix B)Manual ReferencesGrease (Item 36, Appendix B)l TM 9-214Masking tape (Item 68, Appendix B)Insulating varnish (Item 71, Appendix B)General Safety Instructions• Compressed air used for cleaning purposes should never exceed 30 psi (207 kPa).l Dry cleaning solvent is flammable and must not be used near open flame. Use only in awell-ventilated area.a.ALTERNATOR OUTPUT TESTING1.2.3.4.5.6.4 - 2Mount pivot arm of 500 amp test stand to high speed side, and screw mounting flange adapter topivot arm, Connect pulley drive shaft with shaft of high speed head. Screw pulley drive shaft tomounting flange adapter,Mount alternator to generator/starter mounting bracket on 500 amp test stand. Connect“ V“ belt from 500 amp test stand pulley to alternator pulley. Adjust belt tension, (See AppendixD)Connect cable from alternator “ BAT” terminal to 500 amp test stand “G+” terminal, Connectcable from alternator ground terminal to 500 amp test stand “G-” terminal,Make a jumper wire with an insulated female spade terminal on one end and ring terminal onother end. Jump wire from alternator “ NO. 2” terminal to alternator “ BAT” terminal.Using test light, connect one probe to alternator “ BAT” terminal and other probe to alternator“ NO, 1“ terminal.Set 500 amp test stand as follows:(a)(b)(c)(d)(e)DC ammeter switch to “x10”DC voltmeter range switch to “x2”DC voltmeter select switch to “ BAT”Tachometer switch to “ DIRECT DRIVE”Battery switch and master load switch to “OFF”Change 2
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