TM 1-1520-238-23
12-140
12.44.
NO. 2 ENGINE FIRE EXTINGUISHER FITTING REPLACEMENT
12.44.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
12.44.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
1 x 3/8-inch drive open end socket wrench crowfoot
attachment (item 93, App H)
150 - 750 inch-pound 3/8-inch drive click type torque
wrench (item 442, App H)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors T250L, T250R, T290L,
T290R, L325, and RN1 opened
15.41
APU enclosure upper center cover and up-
per forward panel removed
12.44.3. Removal
a. Remove fire extinguisher fitting (1) from fire
wall (2).
(1) Hold elbow (3). Remove nut (4). Use
crowfoot.
(2) Hold three screws (5).
(3) Have one person remove three nuts (6) and
washers (7).
(4) Remove and discard fitting (1).
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M04-3722-1
M04-3722-2
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