TM 1-1520-238-23
Change 1
5-209
5.47.
MAIN ROTOR HUB LOWER PLATE PAD REPLACEMENT (AVIM)
5.47.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
5.47.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
3-inch C clamp (item 60, App H)
Chemical protective gloves (item 154, App H)
Heat protective gloves (item 155, App H)
Electric gun type heater (item 163, App H)
Craftsman’s knife (item 197, App H)
1 1/4-inch blade putty knife (item 199, App H)
Rawhide mallet (item 212, App H)
Adjustable air filtering respirator (item 262, App H)
9-inch pinking shears (item 287, App H)
Materials/Parts:
Adhesive (item 3, App F)
Brush (item 34, App F)
Cloth (item 47, App F)
Cloth (item 49, App F)
Cloth (item 51, App F)
Cloth (item 52, App F)
Cloth (item 57, App F)
Distilled water (item 73, App F)
Cotton gloves (item 82, App F)
Methyl ethyl ketone (item 124, App F)
Primer (item 142, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1500-204-23
TM 55-1500-344-23
Equipment Conditions:
Ref
Condition
5.42
Main rotor hub lower plate removed
WARNING
FLIGHT SAFETY PART
The main rotor hub lower plate 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.
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