TM 9-6115-660-13&PSection VI. MAINTENANCE PROCEDURES.4-10 MAINTENANCE OF GENERATOR SETS.Refer to generator TM 9-6115-642-24 and engine TM 9-2815-253-24.4-11 MAINTENANCE OF TRAILERS.Refer to TM 9-2330-202-14&P for Power Units PU-798 and PU-799, TM 9-2330-392-14&P for Power Units PU-798A andPU-799A, and TM 9-2330-213-14&P for Power Plants AN/MJQ-37 and AN/MJQ-38.4-12 POWER CABLE MAINTENANCE.This task covers:a. Testc. Installationb. RemovalINITIALSETUPToolsEquipmentConditionsTool Kit, General Mechanic’sReference(item 1, appendix B)Both generator sets shut down; paragraphMultimeter, (item 2 appendix B)2-5.3.3.WARNINGMake sure generator sets are shut down before performing any electrical maintenance.Failure to observe this WARNING could result in severe personal injury or death.TEST1. Release two clamping catches (11, figure 4-10) and open switch box cover (1).2. Disconnect power cable to be tested from generator set load terminals.NOTECable leads L1, L2, and L3 terminate in switch box at contactor K1 for Generator 1 (front)and contactor K2 for Generator 2 (rear). LO and Ground leads terminate at switch boxload terminals.3. Use multimeter to check continuity of each electrical lead in power cable. Each lead should have continuity betweenbare end of conductor at generator set load terminal and terminal lug (8). Check for continuity between lead markedground and switch box ground load terminal, lead marked LO and switch box LO load terminal, lead marked L1 andcontactor terminal Al, lead marked L2 and contactor terminal B1, and lead marked L3 and contactor terminal C1. If nocontinuity, notify next higher level of maintenance.Change 2 4-19
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