TM 1-1520-238-23
Change 7
3-27
3.8.
MAIN LANDING GEAR TIRE VALVE ASSEMBLY REPLACEMENT (GOODYEAR/ABSC)
3.8.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
3.8.2. 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
Leak test compound (item 109, App F)
Petrolatum (item 138, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-264-23
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
1.67
Main landing gear wheel jacked (axle jack)
3.8.3. Removal
WARNING
Deflate tire before handling wheel.
Pressure on loosened valve core
could cause core to be blown from
stem and injure personnel. If injury oc-
curs, seek medical aid.
a. Remove valve (1) from outer half wheel stem
boss (2).
(1) Remove valve cap (3) from valve (1).
(2) Press valve core end (4) to deflate tire (5).
(3) Remove valve core (6) from valve (1). Use
tire valve tool.
(4) Remove valve (1) and packing (7) from stem
(2). Discard packing (7).
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