TM 1-1520-238-23
(4-379 blank)/4-380
Change 4
4.120.
NO. 1 AND NO. 2 ENGINE OUTBOARD SECONDARY NOZZLE
REMOVAL/INSTALLATION
4.120.1. Description
This task covers:
Removal. Cleaning. Inspection. Repair. Installation.
4.120.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
Materials/Parts:
Cotter pin
Epoxy primer coating kit (item 77, App F)
Lubricating oil (item 118, App F)
Polyurethane coating (item 140, App F)
Wire (item 226, App F)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 55-1500-345-23
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
NOTE
This task is typical for No. 1 or No. 2
engine outboard secondary nozzle.
4.120.3. Removal
a. Remove strut (1) from fairing (2).
(1) Remove and discard cotter pin (3).
(2) Remove washer (4) and pin (5) from clevis (6)
and lug (7).
b. Remove strut (8) from outboard secondary
nozzle (9).
(1) Remove bolt (10) and washer (11).
c. Move struts (1) and (8) clear of nozzle (9).
(1) Loosen bolt (12).
(2) Swing struts (1) and (8) aft to clear.
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