TM 1-1520-238-23
3-134
3.39.
TAIL LANDING GEAR SHOCK STRUT PISTON REMOVAL/INSTALLATION (AVIM)
3.39.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation. Service. Leak Check.
3.39.2. Initial Setup
Tools:
Hydraulic tool kit (item 384, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
14-quart utility pail (item 222, App H)
Adjustable air filtering respirator (item 262, App H)
3/4 x 1/2-inch drive deep socket wrench socket
(item 298, App H)
3/4 x 3/8-inch drive deep socket wrench socket
(item 299, App H)
Portable hydraulic test stand (item 358, App H)
Nitrogen hand truck (item 398, App H)
10-inch adjustable wrench (item 405, App H)
0 - 5-inch spanner wrench set (item 427, App H)
10 - 50 inch-pound 1/4-inch drive click type torque
wrench (item 434, App H)
0 - 300 inch-pound 3/8-inch drive click type torque
wrench (item 439, App H)
Materials/Parts:
Packing (3)
Retainer packing (2)
Seal
Wiper ring
Brush (item 34, App F)
Epoxy primer coating kit (item 78, App F)
Hydraulic fluid (item 93, App F)
Leak test compound (item 109, App F)
Wire (item 226, App F)
Personnel Required:
68H
Aircraft Pneudraulics Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
WARNING
The shock strut contains high pressure nitrogen. Care must be taken when performing mainte-
nance on the shock strut. Sudden release of high pressure nitrogen could cause injury to
personnel or damage to equipment. If injury occurs, seek medical aid.
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