TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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This task covers: a. Alternator Output Testing d. Cleaning b. Disassembly e. Assembly c. Static Testing a. Alternator Output Testing 1. Mount pivot arm of test stand to high-speed side and install mounting flange adapter on pivot arm. Connect pulley driveshaft to high-speed head. Install pulley driveshaft on mounting flange adapter. 2. Mount alternator to starter/alternator mounting bracket on 500 amp test stand. Connect belt from test stand pulley to alternator pulley. Adjust belt tension. 3. Connect cable from alternator ground terminal to test stand G- terminal. Connect cable from alternator battery terminal to test stand G+ terminal. Connect cable from alternator regulator IGN to test stand F terminal. 4. Connect 28 VDC output and 14 VDC output to test stand. Auxiliary voltage and current meters may be required to measure 14 VDC output. 5. Fabricate a jumper wire with a ring terminal at both ends. Connect jumper wire on test stand from IGNITION SWITCH terminal to F-B terminal. INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix G, Item 1) Puller (Appendix G, Item 136) Test Equipment Multimeter (Appendix G, Item 120) Test stand (Appendix G, Item 94) Materials/Parts Silicone compound (Appendix B, Item 57) RTV sealant (Appendix B, Item 43) Locknut (Appendix E, Item 63) Eighteen locknuts (Appendix E, Item 64) Three lockwashers (Appendix E, Item 87) Twelve locknuts (Appendix E, Item 65) Locknut (Appendix E, Item 58) Personnel Required One mechanic One assistant Manual References TM 9-2320-280-20 TM 9-2320-280-24P TM 9-4910-663-12 TM 9-4910-485-12 Equipment Condition Alternator removed (TM 9-2320-280-20). General Safety Instructions Always support alternator core and shaft assembly during removal and installation. Maintenance Level Direct support TM 9-2320-280-34 6-44.2 Change 1 6-5.1. 200 AMPERE DUAL VOLTAGE ALTERNATOR (12447109) TESTING AND REPAIR