TM 1-1520-238-23
3-40
3.12.
MAIN LANDING GEAR TIRE VALVE ASSEMBLY REPLACEMENT
(PARKER-HANNIFIN)
3.12.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
3.12.2. 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)
Pneumatic tire valve repair tool (item 260, App H)
Tire inflator assembly (item 364, App H)
Nitrogen hand truck (item 398, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
Materials/Parts:
Packing
Hydraulic fluid (item 93, App F)
Leak test compound (item 109, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
1.67
Main landing gear jacked
3.12.3. Removal
WARNING
Deflate tire before handling wheel.
Pressure on loosened core could
cause core to be blown from stem and
injure personnel. If injury occurs, seek
medical aid.
a. Remove valve assembly (1) from outer half
wheel stem boss (2).
(1) Remove valve cap (3) from valve (1).
(2) Press valve assembly core end (4) to deflate
tire (5).
(3) Remove valve assembly (6) from valve (1).
Use tire valve tool.
(4) Remove valve (1) and packing (7) from wheel
(2). Discard packing (7).
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M04-3425-2
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