Aircraft Electrical Prints

Figure 6-6.Electrical power distribution in P-3A aircraft.

Blueprint Reading and Sketching - Intro to drafting and architecture practices
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Figure 6-5.—Main motor controller. A. Wiring diagram. B. Schematic. latching coil CH, and opening contacts CH. The AIRCRAFT ELECTRICAL PRINTS opening of contacts CH de-energizes coil 1M, which opens contacts 1M to stop the main motor. If an overload occurs in the synchro supply circuit (excessive current through 2OL), contacts 2OL will open, deenergizing coil 2M to open contacts 2M. The overloads are reset after tripping by pressing the overload reset buttons. The equipment may be operated in an overloaded condition by pressing the emergency run buttons to shunt the overload contacts. Aircraft electrical prints include schematic diagrams and wiring diagrams. Schematic diagrams show electrical operations. They are drawn in the same manner and use the same graphic symbols from ANSI Y32.2 as shipboard electrical schematics. Aircraft electrical wiring diagrams show detailed circuit information on all electrical systems. A master wiring diagram is a single diagram that shows all the 6-8

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