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ANTICOLLISION   LIGHTS   VISUAL   CHECK
ANTI-COL   BOT   OR   TOP   CIRCUIT   BREAKER   DOES   NOT   STAY   CLOSED

TM-55-1520-240-T-2 CH-47D Heilcopter Manual
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TM   55-1520-240-T 9-6.3   ANTICOLLISION   LIGHT   OPERATIONAL   CHECK 9 - 6 .3 INITIAL  SETUP References: Applicable    Configurations: TM   55-1520-240-23 Equipment    Condition: All TM   55-1520-240-23: Tools: Battery   Connected None Electrical  Power  On Materials: Hydraulic  Power  Off None Anticollision  Lights  Visual  Check  Performed  (Task Personnel   Required: Aircraft  Electrician   (2) 9-6.2) TASK RESULT 1. 2. 3. 4. Check   that  LIGHTING  ANTI-COL  BOT  cir- If LIGHTING ANTI-COL BOT circuit breaker (1) is cuit  breaker  (1)  and  ANTI-COL  TOP  circuit open,  close  it.  If  it  opens  again,  go  to  task  9-6.4.  If breaker  (2)  are  closed. LIGHTING ANTI-COL TOP circuit breaker (2) is open, close  it.  If  it  opens  again,  go  to  task  9-6.4. Set   ANTI-COLL   LTS   TOP   or   ANTI-COL The  top  anticollision  light  shall  flash  40  to  60  times TOP   switch   (3)   to   ON. per  minute.  If  it  does  not,  go  to  task  9-6.5. Set   ANTI-COLL   LTS   BOTTOM   or   ANTl- The  bottom  anticollision  light  shall  flash  40  to  60 COL  BOT  switch  (4)  to  ON. times  per  minute.  If  it  does  not,  go  to  task  9-6.5. Set  switches  (3)  and  (4)  to  OFF. Both  anticollision  lights  shall  stop  flashing. FOLLOW-ON    MAINTENANCE: TM    55-1520-240-23: Electrical  Power  Off Battery  Disconnected 9-154 Change  2







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