Figure 8-4.—Aircraft carrier weapons elevator.read and heed any of the safety precautions andwarnings like the following:WARNINGBefore starting disassembly of any piece ofequipment, be certain the power is off and theswitch is tagged. Do not re-energize any taggedcircuit until safety of doing so is definitelyestablished.When you determine that a repair or replacement ofpart(s) will require disassembly, tag the system out.Remove any interfering guards or obstructions. Toreduce the chance of dirt and other contaminants fromgetting into the works as the parts are disassembled, youmust take the time to properly clean the machinery. Keepthe dirt out of open gear cases and be sure parts arecleaned before reassembly. If the oil becomescontaminated, drain and flush the system with light oiland refill it with proper lubricant. Water in the oil willcause rust, and dirt can act as an abrasive to wear out themachinery. You must match marked parts that could beinstalled in more than one way so that you can return themachinery parts to their original position.Components like winches and other actuatingmachinery are covered in considerable detail by theirmanufacturer’s technical manuals. Any repairs to be8-12
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