TM 1-1520-238-23
7-520
7.136.
PRESSURIZED AIR SYSTEM TEE AND CHECK VALVE REMOVAL/INSTALLATION
7.136.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.136.2. 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 (5)
Petrolatum (item 138, 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 T250L, T250R, T290L,
T290R, and L325 opened
2.84
Two forward catwalk sections removed
15.41
APU cover removed
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M04-083-1
