CABIN AND RAMP LIGHTS OPERATIONAL CHECK

CABIN AND RAMP LIGHTS VISUAL CHECK

CABIN & RAMP CIRCUIT BREAKER DOES NOT STAY CLOSED - TM-55-1520-240-T-2_893

TM-55-1520-240-T-2 CH-47D Heilcopter Manual
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TM 55-1520-240-T 9-15.11 CABIN AND RAMP LIGHTS OPERATIONAL CHECK 9-15.11 INITIAL SETUP References: Applicable Configurations: TM 55-1520-240-23 W i t h Equipment Condition: Tools: TM 55-1520-240-23: Battery Connected None Electrical Power On Materials: Hydraulic Power Off None Visual Check of Cabin and Ramp Lights Performed Personnel Required: (Task 9-15.10) Aircraft Electrician TASK RESULT 1. 2. 3. 4. 5. Check that LIGHTING CABIN & RAMP cir- cuit breaker (1) is closed. Set CABIN AND RAMP LIGHTS CON- TROL switch (2) to RED. Turn control (3) from DIM to BRT. If CABIN & RAMP circuit breaker (1) is open, close it. if it opens again, go to task 9-15.12. All five dome red lights shall come on and increase in brightness as control is moved. If any light is not lit, go to task 9-15.13. If lights come on but bright- ness does not increase, replace control (3). Turn control (3) to DIM. Set CABIN AND RAMP LIGHTS CON- TROL switch (2) to NVG. Turn control (3) from DIM to BRT. All five dome blue lights shall come on and increase in brightness as control is moved. If any light is not lit, go to task 9-15.14. Turn control (3) to DIM. Set switch (2) to OFF. FOLLOW-ON MAINTENANCE: TM 55-1520-240-23: Battery Disconnected Electrical Power Off END OF TASK 9-276.2/(9-276.3 blank) Change 2

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