TM 1-1520-238-23
7-297
7.74.
UTILITY HYDRAULIC MANIFOLD RESERVOIR SEAL REPLACEMENT (AVIM)
7.74.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation. Testing.
7.74.2. Initial Setup
Tools:
Hydraulic tool kit (item 384, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
9/64-inch hexagon x 1/4-inch drive screwdriver socket
wrench attachment (item 329, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
Materials/Parts:
Channel seal
Packing (7)
Packing (MS28775-4) (2)
Retainer
Seal
Relief valve
Union (HS4508-4C4)
Union (MS21902J4)
Cloth (item 52, App F)
Hydraulic fluid (item 92, App F)
Petrolatum (item 138, App F)
Wire (item 226, App F)
Personnel Required:
68H
Aircraft Pneudraulics Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
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