TM 1-1520-238-23
Change 3
4-187
4.59.
NO. 1 ENGINE LOUVER INSTALLATION
4.59.1. Description
This task covers:
Installation.
4.59.2. Initial Setup
Tools:
Aircraft mechanics tool kit (item 376, 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
4.59.3. Installation
NOTE
Do not tighten screws mounting lou-
ver. These will be tightened after lou-
ver is alined in support and enclosure.
Step a is performed off aircraft prior to
starting installation procedure.
a. Install angle brackets (1) and (2) to louver (3).
Install but do not tighten screws (4).
(1) Install sixteen screws (4) and washers (5). Do
not tighten screws (4).
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