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Figure 4-66.Main control console (CV-63)
OPERATIONS

Aviation Boatswains Mate E - Aviation theories and other practices
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Central Charging Panel The central charging panel (fig. 4-67) provides a single centralized station from which pneumatic and hydraulic systems are controlled and monitored. LEFT-FRONT   PANEL.—The   left-front   panel contains   the   switches   and   pressure   gauges   for   the operation   and   monitoring   of   the   catapult   hydraulic system.   The   panel   contains   pressure   gauges   and OFF-ON  switches  for  the  main  hydraulic  pumps,  the booster pump, the circulating pump, and the lubrication pump. Also included are a gravity-tank fluid temperature  gauge,  three  main  hydraulic  accumulator hydraulic-pressure  gauges,  an  off-on  pump  delivery control   switch,   a   primary   pump   selector   switch,   a retraction-engine  suspend  switch,  a  blowdown  valve for  the  retraction-engine  hydraulic  fluid,  and  delivery control fuses. LEFT-INTERMEDIATE-FRONT PANEL.— The  left-intermediate-front-panel  contains  the  valves and  pressure  gauges  for  charging  or  blowing  down catapult components that require air pressure for their operation. Gauges on the panel indicate the air pressure in the air side of the main hydraulic accumulator, the air flask,  the  air  side  of  the  cable-tensioner  accumulator, the low-pressure-air supply, medium-pressure-air supply,   and   the   air   side   of   the   tensioner   surge accumulator. A dual gauge indicates the air pressure at the dome of the tensioner regulator and the pressure in the    hydraulic    fluid    side    of    the    tensioner    surge accumulator. Valves on the panel are used for charging and blowing down the air flask, the air side of the main hydraulic accumulator, the air side of the cable-tensioner accumulator, the dome of the tensioner regulator,   and   the   air   side   of   the   tensioner   surge accumulator.   There   is   also   a   valve   to   shut   off   the low-pressure-air   supply.   A   bank   of   red   and   green indicator  lights  on  the  panel  indicates  go  and  no-go indication for various catapult functions. RIGHT-INTERMEDIATE-FRONT  PANEL.— The  top  portion  of  the  right-intermediate-front  panel contains  the  pressure  gauges  and  valves  monitoring, charging,   and   blowing   down   the   nose   gear   launch accumulators.   The   right-intermediate-front   panel   is installed on CVN-65 only. REVIEW QUESTIONS Q1. How are the launching engine cylinders heated? Q2. How is the catapult trough steam smothering actuated? Q3. What is the purpose of the launch valve steam valve? 4-55 ABEf0468 Figure 4-67.—Central charging panel.







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