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F-22 Roll-Over Wash Station

This system is similar to the Roll-Over Dolly, but it is fixed to the floor of the F-22 main assembly line in Forth Worth. It is used to wash the fuselage with de-ionized water after the three primary sub-assemblies are mated (see F-22 mid-fuselage mate system).  The system can move to 6 pre-programed heights and roll-angles, can be set for continuous roll, or be moved manually with jog buttons.  This system is sprayed with de-ionized water on a regular basis.  It uses 4 large servo motors - 2 that each drive two vertical self-locking screws, and 2 more that drive each end of the rotary axis.
 
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