MASTER CAUTION LIGHTS VISUAL CHECK

MASTER CAUTION LIGHTS WIRING DIAGRAM (Continued)

MASTER CAUTION LIGHTS OPERATIONAL CHECK - TM-55-1520-240-T-2_947

TM-55-1520-240-T-2 CH-47D Heilcopter Manual
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TM 55-1520-240-T 9-18.2 MASTER CAUTION LIGHTS VISUAL CHECK 9-18.2 INITIAL SETUP References: Applicable Configurations: TM 55-1520-240-23 All Equipment Condition: Tools: TM 55-1520-240-23: Electrical Repairer's Tool Kit, Battery Disconnected NSN 5180-00-323-4915 Electrical Power Off Materials: Hydraulic Power Off None Personnel Required: Aircraft Electrician TASK RESULT 1. Check pilot's and copilot's MASTER CAUTION lights If lights (1 and 2) are loose or damaged, tighten or replace them as (1 and 2). required. 2. Check CAUTION LIGHT (or LT) TEST switch (3). If switch (3) is loose or damaged, tighten or replace it as required. 3. Check CAUTION LIGHT (or LT) DIM/BRIGHT (or DIM/ If switch (4) is loose or damaged, tighten or replace it as required. BRT) switch (4). 4. Check MASTER CAUTION (or CAUTION/ADVISORY) If caution panel (5) or capsules are loose or damaged, repair or PANEL (5). replace it as required. 5. Check DOME SELECT or DOME switch (6). If switch (6) is loose or damaged, tighten or replace it as required. FOLLOW-ON MAINTENANCE: None END OF TASK Change 19 9-323

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