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
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18-50
Change 18
