TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
Page 345 of 1258
TM 9-2320-280-34 6-4. 200 AMPERE ALTERNATOR (A0013036AA) TESTING AND REPAIR This task covers: a. Alternator Output Testing c. Cleaning b. Disassembly/Testing d. Assembly INITIAL SETUP: Applicable Models Personnel Required M996, M996A1, M997A1, M997A2 One mechanic One assistant Tools General mechanic's tool kit: Manual References automotive (Appendix G, Item 1) TM 9-214 Test Equipment TM 9-2320-280-20 TM 9-2320-280-24P Multimeter (Appendix G, Item 120) TM 9-4910-485-12 Test stand (Appendix G, Item 94) TM 9-4910-663-12 Materials/Parts Equipment Condition Two brush gaskets (Appendix E, Item 2) Alternator removed (TM 9-2320-280-20). Gasket kit (Appendix E, Item 38) Regulator removed (TM 9-2320-280-20). Six lockwashers (Appendix E, Item 73) Four lockwashers (Appendix E, Item 75) Six lockwashers (Appendix E, Item 76) General Safety Instructions O-ring (Appendix E, Item 115) Always support alternator rotor during removal Seal (Appendix E, Item 162) and installation. Seal (Appendix E, Item 164) Maintenance Level Two seals (Appendix E, Item 165) Direct support Seal (Appendix E, Item 166) Locknut and woodruff key kit (Appendix E, Item 67) Grease (Appendix B, Item 20) a Alternator Output Testing 1. Mount pivot arm of 500 amp test stand to high speed side and attach mounting flange adapter to pivot arm. Connect pulley drive shaft to high speed head. Attach pulley drive shaft to mounting flange adapter. 2. Mount alternator to starter/generator mounting bracket on 500 amp test stand. Connect “V" belt from 500 amp test stand pulley to pulley. Adjust belt tension. 3. Connect cable from alternator ground terminal to 500 amp test stand "G" terminal. Connect cable from alternator 'Bat" terminal to 500 amp test stand "G+" terminal. Connect cable from alternator regulator "IGN" to 500 amp test stand "F" terminal. 4. Make a jumper wire with a ring terminal at both ends. Connect jumper wire on 500 amp test stand from IGN SWITCH terminal to “F-B”terminal. NOTE Prior to operation of the test stand, make certain that all switches and controls are in the "initial" positions as referenced in: Operator and Maintenance Manual, TM 9-4910-663-12 (UMC Model GSAR-500), or Operator and Maintenance Manual, TM 9-4910-485-12 (Sun Model AGT-99A). 6-20