Figure 8-4.—Aircraft carrier weapons elevator.
read and heed any of the safety precautions and
warnings like the following:
WARNING
Before starting disassembly of any piece of
equipment, be certain the power is off and the
switch is tagged. Do not re-energize any tagged
circuit until safety of doing so is definitely
established.
When you determine that a repair or replacement of
part(s) will require disassembly, tag the system out.
Remove any interfering guards or obstructions. To
reduce the chance of dirt and other contaminants from
getting into the works as the parts are disassembled, you
must take the time to properly clean the machinery. Keep
the dirt out of open gear cases and be sure parts are
cleaned before reassembly. If the oil becomes
contaminated, drain and flush the system with light oil
and refill it with proper lubricant. Water in the oil will
cause rust, and dirt can act as an abrasive to wear out the
machinery. You must match marked parts that could be
installed in more than one way so that you can return the
machinery parts to their original position.
Components like winches and other actuating
machinery are covered in considerable detail by their
manufacturer’s technical manuals. Any repairs to be
8-12
