ALTITUDE VOICE WARNING SYSTEM VISUAL CHECK

ALTITUDE VOICE WARNING SYSTEM VISUAL CHECK (Continued)

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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TM 55-1520-240-T 18-2.2 ALTITUDE VOICE WARNING SYSTEM VISUAL CHECK 18-2.2 INITIAL SETUP References: Applicable Configurations: TM 11-1520-240-23 All TM 55-1520-240-23 Tools: Equipment Condition: Electrical Repairer's Tool Kit, TM 55-1520-240-23: NSN 5180-00-323-4915 Battery Disconnected Electrical Power Off Materials: No. 2 Access Door (Tunnel Cover) None Open Personnel Required: 68F10 Aircraft Electrician TASK RESULT 1. Check AVWS Radar Altimeter Indicator Remove from Pilot's instrument panel and (AN/APN209) (1). check connector of AVWS Radar Altimeter Indicator (1). If connector is loose or damaged, tighten, repair, or replace as required. If wiring to connector is loose or damaged, tighten, repair, or replace it as required. If indicator glass is cracked or broken, or if pointers/indices are bent or broken replace altimeter. Check knobs for looseness or binding. Repair, replace, or adjust as required. 2. Check the following Interphone Control Remove each panel and check connector. If connector is loose or Panels: damaged, tighten, repair, or replace as required. If wiring to Pilot (2) connector is loose or damaged, tighten, repair, or replace as Copilot (3) required. Check knobs for looseness or binding. Repair, replace, Aft Station (4). or adjust as required. Check switches for looseness or binding. Replace as required. FOLLOW-ON MAINTENANCE: None GO TO NEXT PA GE 18-50 Change 18

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