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UNIT MAINTENANCE ANCILLARY EQUIPMENT FOR LOW VELOCITY AIR DROP SYSTEMS (LVADS) CONTROL BOX
UNIT MAINTENANCE ANCILLARY EQUIPMENT FOR LOW VELOCITY AIR DROP SYSTEMS (LVADS) PLATFORM CABLE (ALL)/ 4-FOOT EXTENSION CABLE (C-5 and C-17 only)

TM-10-1670-296-20P Ancillary Equipment for Low Velocity Air Drop System (LVADS) Manual
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TM 10-1670-296-20&P                                                       0047 00 0047 00-2 REPAIR Repair Defective LED(s). 1.    Set the POWER switch on the control box and 28 VDC power supply to OFF.  Disconnect power cable from the control box. 2.    Remove the four screws and the cover of the control box. 3.    On the backside of the cover, using nut driver, remove the two nuts holding the printed circuit board (PCB) to the cover.  Carefully remove the PCB from the cover. 4.    Remove and discard the defective LED(s) from its socket. LAMP SWITCH JETTISON 1 POWER OFF ON NUMBER OF LOADS DIMMER DIM TEST                     FLAT INSTALL LED SO FLAT COINCIDES WITH FLAT SILKSCREENED ON PCB CAUTION Make sure that the flat on the flange of the LED lines up with the flat that is marked on the PCB.  Improper installation may damage the LED. 5.    Install the new LED(s) so the flat side of the LED base matches the flat side of circle on PCB. 6.    Reinstall the PCB to the cover using the two (2) nuts. 7.    Reinstall the cover of the control box using the four (4) screws. 8.    Repeat the inspection procedure to ensure all LEDs light up. REPLACE Replace an unserviceable control box with a serviceable item from stock. END OF WORK PACKAGE







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