TM 9-6115-660-13&PSection III. MAINTENANCE PROCEDURES5-5GENERAL.This section covers Direct Support level maintenance procedures for power plant/power unit components that are notcovered in the generator set technical manual, engine technical manual, or trailer technical manuals.5-5.1GeneratorSetMaintenance.Refer to generator set TM 9-6115-642-24 and engine TM 9-2815-253-24.5-5.2TrailerChassisMaintenance.Refer to TM 9-2330-202-14&P for Power Units PU-798 and I PU-799, TM 9-2330-392-14&P for Power Units PU-798A and PU-799A, and TM 9-2330-213-14&P for Power Plants AN/MJQ-37 and AN/MJQ-38.5-6 GENERATOR SET MAINTENANCE.This task covers:a. Removalb. InstallationINITIALSETUPToolsEquipmentConditionsTool Kit, General Mechanic’sReference(item 1, appendix B)Torque Wrench, 0-150 ft-lbBoth generator sets shut down; paragraph(item 3, appendix B)2-5.3.3. Trailer handbrakes set, front supportLifting Device, 2500 lbs. lifting capacityleg/landing lowered, and rear leveling-support(item 3, appendix B)jack lowered; paragraph 2-3.2.1.Materials/PartsPower cable leads (AN/MJQ-37 and AN/MJQ-38) or load cable leads (PU-798, PU-799,Nuts, Self-lockingPU798A, PU799A) and ground cableWashers, Lock (item 5, appendix I)disconnected from generator set loadterminals; paragraph 4-12 and TM 9-6115-642-10.External fuel source disconnected;paragraph 2-7.5.PersonnelRequiredTwoREMOVAL1.Remove four nuts (5, figure 5-5), lock washers (4) and cap screws (1) from generator output plate (2).2.For AN/MJQ-37 and AN/MJQ-38, carefully pull generator output plate (2) away from generator set housing (3).Remove and retain gasket (7). For Power Plants and Power Unit, pull until power cable leads and ground cable (6)are free of generator set housing (3).5-8 Change 2
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