ARMY TM 9-6115-604-12NAVY NAVFAC P-8-633-123-11. MAINTENANCE OF AC POWER GENERATION AND CONTROL SYSTEM.a.VisuallyInspectMainDisconnectSwitchS120. (See Figure 3-8.) Main disconnect switch S120 is located in the control room behind the lower door to cabinet A.DANGER HIGH VOLTAGEDo not touch exposed electrical connections when a source of power or another generator set isconnected to the load terminals. Death or Injury may result from failure to observe this warning.To avoid injury to personnel, no electrical component will be worked on while energized. Ensureequipment Is "tagged out" In accordance with Chapter Chapter 1, Section III, of this manual andequipment is NOT energized. Residual voltage Is present at the generator leads with the regulatorturned off, reaching SEVERAL HUNDRED VOLTS on the generator set. Proper insulation andisolation of metering equipment must be observed when testing this generator. USE PROPERTEST EQUIPMENT TO CHECK FOR VOLTAGE before proceeding with work.(1)Open lower cabinet A door.(2)Visually inspect the main disconnect switch S120 for severe discoloration or deterioration of the conductors or insulators.(3)Close the compartment door.3-30
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
