TM 1-1520-238-23
4-378
Change 5
SECTION VI.
EXHAUST SYSTEM MAINTENANCE
4.119.
NO. 1 AND NO. 2 ENGINE PRIMARY EXHAUST NOZZLE REMOVAL/INSTALLATION
4.119.1. Description
This task covers:
Removal. Cleaning. Inspection. Repair. Installation.
4.119.2. Initial Setup
Tools:
Aircraft mechanics tool kit (item 376, App H)
3-piece spatula set (item 337, App H)
Materials/Parts:
Tape (item 204, App F)
Personnel Required:
67R
Attack Helicopter Repairer
68G
Aircraft Structural Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
4.3
No. 1 engine removed or
4.8
No. 2 engine removed
NOTE
This task is typical for No. 1 or No. 2
primary exhaust nozzle.
4.119.3. Removal
a. Remove primary nozzle (1) from nacelle (2).
(1) Move primary nozzle (1) forward until it clears
secondary nozzle (3).
(2) Remove primary nozzle (1) from nacelle (2).
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