TM 1-1520-238-23
3-141
3.40.
TAIL LANDING GEAR SHOCK STRUT PNEUMATIC VALVE REMOVAL/INSTALLATION
3.40.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
3.40.2. 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
Hydraulic fluid (item 92, App F)
Wire (item 226, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
WARNING
The shock strut contains high pres-
sure nitrogen. Care must be taken
when performing maintenance on the
strut. Sudden release of high pressure
nitrogen could cause injury to person-
nel or damage to equipment. If injury
occurs, seek medical aid.
3.40.3. Removal
a. Deflate shock strut (1).
(1) Remove valve cap (2).
(2) Slowly turn nut (3) one turn counterclockwise
to open pneumatic valve (4).
(3) Turn nut (3) one turn clockwise to close valve
(4) after pressure has been released.
(4) Install cap (2).
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M04-2348-1
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