TM 1-1520-238-23
Change 8
16-133
16.35.
AFT AVIONICS BAY AND SURVIVAL BAY FILTER REPLACEMENT
16.35.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
16.35.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Personnel Required:
67R
Attack Helicopter Repairer
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access door R295 opened
CAUTION
Operating avionics housed in the aft elec-
tronics bay with clogged filters could re-
sult in inadequate cooling air flowing
through the electronics units.
NOTE
There are a total of seven filters, three in
the R/S Aft Avionics door, two in the L/S
Aft Avionics door and two in the R/S
Survival Bay door. The following proce-
dure is the same for all three locations.
16.35.3. Removal
a. Remove and discard three filters (1) from inlet
shields (2).
16.35.4. Cleaning
a. Wipe air inlet shields and screens with a clean
rag.
16.35.5. Inspection
a. Check inlet shields and screens for cracks,
obstructions, loose or missing parts. None al-
lowed.
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AFT AVIONICS BAY
DOOR
DOOR SHOWN IN
OPEN POSITION
2
1
M04-3768-1
