TM 1-1520-238-23
10-526
10.125. NITROGEN INERTING UNIT (NIU) FILTER REMOVAL/INSTALLATION
10.125.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
10.125.2. 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:
Packing
Petrolatum (item 138, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
TM 9-1090-208-23
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
1.22
Fuel system vented
TM 9-1090-208-23
Ammunition storage maga-
zine removed
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