FIRE DETECTION SYSTEM VISUAL CHECK

FIRE DETECTION SYSTEM VISUAL CHECK (Continued) - TM-55-1520-240-T-3_550

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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12-2.3 TM 55-1520-240-T 12-2.3 FIRE DETECTION SYSTEM VISUAL CHECK INITIAL SETUP Applicable Configurations: All Tools: Electrical Repairer’s Tool Kit, N S N 5 1 8 0 - 0 0 - 3 2 3 - 4 9 15 Materials: None Personnel Required: 68F10 Aircraft Electrician References: T M 5 5 - 1 5 2 0 - 2 4 0 - 23 Equipment Condition: T M 5 5 - 1 5 2 0 - 2 4 0 - 2 3. Battery Disconnected Electrical Power Off Hydraulic Power Off No. 1 and No. 2 Engine Access Covers Open 1. 2. 3. 4. 5. Check Fire Detector switch (1). Check No. 1 engine and No. 2 engine fire handles (2). Check No. 1 and No. 2 engine fire detec- tion controls (4). Check sensing elements (5) around No. 1 engina. Check sensing elements (7) around No. 2 If switch (1) is loose or damaged, tighten or re- place it as required. If either fire handle (2) is loose or damaged, tighten or replace it as required, If any light (3) is loose or damaged, tighten or replace it as re- quired. If either control (4) is loose or damaged, tighten or replace it as required. If wiring to either control IS damaged, repair or replace it as required. If any element (5) is damaged or kinked, replace it, If element connector (6) is loose, tighten it, If any element (7) is damaged or kinked, replace it. engine. If any element connector (6) is loose, tighten it. FOLLOW-ON MAINTENANCE: T M 5 5 - 1 5 2 0 - 2 4 0 - 2 3: Close No. 1 and No. 2 engine access covers. 1 2 - 3 2

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