TM 1-1520-238-23
Change 8
2-390.11
2.107C. VERTICAL STABILIZER SPAR BOX BUSHING REPLACEMENT (AVIM)
2.107C.1. Description
This task covers:
Removal, Cleaning, Inspection, Installation.
2.107C.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
8-inch inside caliper (item 55, App H)
Chemical protective gloves (item 154, App H)
Industrial goggles (item 156, App H)
Adjustable air filtering respirator (item 262, App H)
Vertical stabilizer bushing tool set (item 394, App H)
Materials/Parts:
Carbon dioxide (item 40, App F)
Cloth (item 52, App F)
Dry cleaning solvent (item 74, App F)
Sealing compound (item 158A, App F)
Personnel Required:
68G
Aircraft Structural Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 55-1500-322-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.113
Horizontal stabilator removed
2.107B
Vertical stabilizer spar box angle bracket re-
moved
NOTE
This task is typical for all four vertical sta-
bilizer spar box bushings.
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