TM 1-1520-238-23
Change 4
5-39
5.7.
MAIN ROTOR BLADE DEBONDED DOUBLER OR SPAR REPAIR (AVIM)
5.7.1. Description
This task covers:
Doubler Repair. Spar Repair.
5.7.2. Initial Setup
Tools:
Airframe repairman’s tool kit (item 377, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Air blow gun (item 158, App H)
8-ounce hand sealant gun (item 160, App H)
Adjustable air filtering respirator (item 262, App H)
9-inch pinking shears (item 287, App H)
Materials/Parts:
Adhesive (item 1, App F)
Adhesive (item 2, App F)
Brush (item 34, App F) (2)
Cloth (item 51, App F)
Cloth (item 52, App F)
Cloth (item 56, App F)
Methyl ethyl ketone (item 124, App F)
Paper (item 133, App F)
Paper (item 135, App F)
Wax pencil (item 137, App F)
Primer (item 144, App F)
Syringe (item 195, App F)
Personnel Required:
68G
Aircraft Structural Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 55-1500-345-23
WARNING
FLIGHT SAFETY PART
The main rotor blade is 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.
CAUTION
Spanwise sanding applies to the metallic area only. The glass skinned area should be sanded
chordwise.
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