TM 1-1520-238-23
2-545
2.146.
ENGINE VENTILATION DOOR ASSEMBLY REPLACEMENT
2.146.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
2.146.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Lubricant (item 114, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.142
Engine access and ventilation door assem-
bly latch removed
2.143
Engine access and ventilation door assem-
bly linkage idler removed
2.145
Engine access and ventilation door assem-
bly connecting link rod removed
2.147
Engine ventilation door removed
NOTE
This task is typical for left and/or right
engine ventilation door assembly re-
placement.
2.146.3. Removal
a. Remove cylinder actuator (1) from engine
ventilation door assembly (2).
(1) Remove two retaining rings (3) from grooved
headless pin (4).
(2) Remove pin (4) from two sleeve spacers (5),
actuator (1), and door assembly (2).
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M04-4117-2
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