POSITION LIGHTS OPERATIONAL CHECK

POSITION LIGHTS VISUAL CHECK

POS 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 9-3.3 POSITION LIGHTS OPERATIONAL CHECK 9-3.3 INITIAL SETUP Applicable Configurations: All Tools: None Materials: None Personnel Required: Aircraft Electrician (2) References: TM 55-1520-240-23 Equipment Condition: TM 55-1520-240-23: Battery Connected Electrical Power On Hydraulic Power Off Visual Check of Position Lights Performed (Task 9-3.2) TASK RESULT 1. Check that LIGHTING POS circuit breaker (1) is closed. If POS circuit breaker (1) is opened, close it. If it opens again, go to task 9-3.4 on aircraft without or task 9-3.4.1 on aircraft with 2. Set POSITIONS LIGHTS switch or POSN switch (2) to Left, right, and tail position lights come on at full intensity. BRT. If any light is not lit, go to task 9-3.5. 3. On aircraft with , set AFT POS LIGHT switch (3) Tail postition light shall go out and come on. If tail position to OFF and back to ON. light fails to operate properly, go to task 9-3.5. 4. Set POSITION LIGHTS switch or POSN switch (2) to Left, right, and tail position lights shall be at low intensity. DIM. If any light is not lit, go to task 9-3.6. 5. Set POSITION LIGHTS switch or POSN switch (2) to All position lights shall go out. OFF. FOLLOW-ON MAINTENANCE: BH 55-1520-240-23: Battery disconnected. Electrical power off. END OF TASK 9-102 Change 17

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