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TM-9-2920-225-34 HMMWV Generator Direct Support & General Support Maintenance Manual Download

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TM 9-2920-225-34 1. 2. 3. 4. 5. 6. Check that bearing (1) is not damaged. Refer to TM 9-214. If bearing is damaged, get a new one. Using multimeter, check rotor (2) for grounds by touching one test probe of multimeter to rotor shaft (3) and other test probe to one slipring (4). Ohmmeter reading must be over 10,000 ohms. If it is not, generator is nonrepairable. Do step 2 again for other slipring (4). Using multimeter, check resistance of sliprings (4) by touching ohmmeter probes to each slipring. Resistance must be between 1.5 and 2.5 ohms. If it is not, generator is nonrepairable. Check slipring (4) runout. Refer to para 2-9e. Check that rotor shaft (3) is straight. Refer to para 2-9e. END OF TASK test TA 103676 2-178