Section XI. 400 HZ AND 60 HZ ELECTRICAL SYSTEMS

TM-5-6115-434-12 Generator Set Gasoline Engine: Air Cooled 5 Kw Ac 120/240 V Single Phase 120/208V 3 Phase Skid Mounted Tubular Frame Manual
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TM 5-6115-434-12 c. Cooled Air Temperature Control Switch (two used, system No. 1 and No. 2). (1) Removal. Tag and disconnect electrical connections to control switch. Loosen set screw on knob of control switch. Remove knob from control switch. Remove four screws and washers from control switch. Remove control switch from panel. (2) Cleaning and inspection. (a) Clean control switch with filtered compressed air or wipe with a clean rag moistened with an approved cleaning solvent. (b) Visually inspect control switch for corrosion, cracks, damaged threads or other evidence of damage. (3) Installation. Install in reverse order of removal procedure. d. Heating Range Selector Switch (two used, system No. 1 and No. 2) (1) Removal. Tag and disconnect electrical connections to selector switch. Loosen set screw in selector switch knob. Remove knob from selector switch. Remove nut and washer from elector switch shaft. Remove selector switch from panel. (2) Cleaning and inspection. (a) Clean selector switch with filtered compressed air and electricians brush or wipe with a clean rag moistened with an approved cleaning solvent. (b) Visually inspect selector switch for corrosion, cracks, damaged threads or other evidence of damage. (3) Installation. Install in reverse order of removal procedure. e. Heated Air Temperature Control Switch (two used, system No. 1 and No. 2). (1) Removal Tag and disconnect electrical connections to control switch. Loosen set screw on control switch knob. Remove knob from control switch. Remove four screws and four washers from control switch. Remove control switch from panel. (2) Cleaning and inspection. (a) Clean control switch with filtered compressed air or wipe with a clean rag moistened with an approved cleaning solvent. (b) Visually inspect control switch for corrosion, cracks, damaged threads or other evidence of damage. (3) Installation. Install in reverse order of removal procedure. Section XI. 400 HZ AND 60 HZ ELECTRICAL SYSTEMS 3-59. General The 400 Hz and 60 Hz electrical systems provide electrical power for operation of power unit motor driven equipment and for external applications. The two systems consist of 400 Hz and 60 Hz generators driven by the gas turbine engine. Various devices incorporated in the electrical systems provide generator control, internal electrical circuit control and protection, and external electrical circuit control and protection. Warning Electrical power shall be shut off prior to maintenance on electrical components. 3-60. Wiring Harness Assemblies, Terminals, Electrical Leads, Wiring, Connectors, and Receptacles a. Removal. Remove wiring harness assemblies, terminals, electrical leads, wiring, connectors, and receptacles as required for access to other components or to replace damaged parts. Note Tag or otherwise identify all connectors, terminals, electrical leads, wiring, and location of supporting clamps as removed to facilitate assembly. b. Cleaning and Inspection. (1) Clean parts with filtered compressed air, wiping with a clean rag moistened with an approved cleaning solvent, or by brushing with an electricians brush. 3-67

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