TM 1-1520-238-23
3-86
3.24.
MAIN LANDING GEAR SHOCK STRUT UPPER SEAL ASSEMBLY REPLACEMENT
(AVIM)
3.24.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
3.24.2. 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)
9-inch x 1/2-inch drive hinged socket wrench handle
(item 171, App H)
Adjustable air filtering respirator (item 262, App H)
3/8-inch drive 3/4 - 2-inch socket wrench spanner
attachment set (item 336, App H)
12-inch strap pipe wrench (item 425, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
Materials/Parts:
Bearing
Packing
Retaining ring (2)
Seal
Wiper ring
Antiseize compound (item 27, App F)
Brush (item 34, App F)
Epoxy primer coating kit (item 78, App F)
Hydraulic fluid (item 93, App F)
Wire (item 226, App F)
Personnel Required:
68H
Aircraft Pneudraulics Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
3.23
Rod end removed
3.19
Pneumatic valve removed
3.21
Bleeder plug removed
WARNING
FLIGHT SAFETY PART
The main landing gear shock strut contains a flight safety part. Failure to follow maintenance
instructions may result in serious injury or death of crewmembers and/or serious damage to
the helicopter.
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