• Home
  • Download PDF
  • Order CD-ROM
  • Order in Print
Figure 3-17.LAU-7/A (series) guided missile launcher
Umbilical Hook Support Assembly

Aviation Ordinanceman - Aviation theories and other practices
Page Navigation
  80    81    82    83    84  85  86    87    88    89    90  
Mechanism Assembly The mechanism assembly is an electromechanical device that holds the missile for takeoffs and landings and releases the missile for launching. It mounts in the center of the housing assembly forward of the receiver assembly. The subassemblies of the mechanism assembly are discussed in the following paragraphs. ELECTRICAL  HARNESS  ASSEMBLY.—The electrical harness assembly consists of the appropriate connectors   and   wiring   to   interconnect   between   the aircraft power and firing circuits and the launcher. Also, the  nitrogen  system  supply  tube  is  routed  through  the electrical wiring harness to the power supply. DETENT,  DETENT  LOCK,  DETENT-LOCK SOLENOID, AND SNUBBERS.—The detent, detent lock,  detent-lock  solenoid,  and  forward  snubbers  (fig. 3-18)   make   up   an   electromechanical   system   that restricts longitudinal and lateral motion of the mounted missile.   This   system   prevents   accidental   launch   or release during catapult takeoff or arrested landings. A slotted detent wrench/safety pin is installed through the mechanism  assembly  to  prevent  movement  of  the  aft detent and to safe the launcher firing circuits. It is also used to raise the aft detent lug sufficiently to clear the missile   hanger   during   loading.   The   slotted   detent wrench/safety  pin  is  removed  before  flight.  When  the detent is down (normal), the striker points make contact with the buttons (contacts) on the forward hanger of the missile.  The  forward  striker  point  does  not  have  a function  for  the  missile;  the  aft  striker  point  makes contact between the missile and the firing safety switch. NITROGEN CONTROL VALVE.—The nitrogen  control  valve  is  a  solenoid-operated  shutoff valve   that   controls   the   flow   of   nitrogen   from   the receiver  assembly  to  the  missile.  The  pilot  controls operation of the control valve from the cockpit. Power Supply One   power   supply   is   available   for   use   in   the launcher.  Power  supply  PP-2581/A  is  a  single-phase power supply. It is a self-contained unit with connectors on each end. The aft connector links the power supply and  the  mechanism  assembly.  The  forward  connector provides the connection to the missile's umbilical cable. Forward Fairing Assembly The   forward   fairing   assembly   is   an   aluminum casting  that  mounts  to  the  forward  end  of  the  outer housing to provide an aerodynamic nose to the front of 3-22 AFT DETENT LUG AFT STRIKER POINT STRIKER POINT BUSHINGS FORWARD STRIKER POINT FORWARD DETENT LUG FORWARD SNUBBERS DETENT LOCKING BAR NOTE: 1. MECHANISM ASSEMBLY SHOWN REMOVED FROM LAUNCHER AND COMPRESSED FOR CLARITY. AOf0318 Figure 3-18.—Mechanism assembly detent and snubbers.







Western Governors University

Privacy Statement
Press Release
Contact

© Copyright Integrated Publishing, Inc.. All Rights Reserved. Design by Strategico.