TM 1-1520-238-23
7-548
Change 4
7.144.
GROUND AIR CONNECTION MANIFOLD, ENGINE AIR FLEXIBLE CONNECTION HOUSING, AND
UTILITY TUBE REMOVAL/INSTALLATION
7.144.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.144.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Gasket (2)
Packing (2)
Seal (2)
Petrolatum (item 138, App F)
Sealing compound (item 156A, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors LN1, LN3, LN4, T250L,
T250R, T290L, T290R, and L325 opened
7.142
Start air valve and ground air connection
flange removed
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M04-089-5
