TM 1-1520-238-23
Change 8
5-149
5.32.
MAIN ROTOR LEAD LAG LINK BEARING RETAINER AND ROTOR HUB BEARING
REMOVAL/INSTALLATION
5.32.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
5.32.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Electrical tool kit (item 378, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
1/2-inch drive ratchet socket wrench handle (item 172,
App H)
Multimeter (item 215, App H)
Adjustable air filtering respirator (item 262, App H)
3-piece spatula set (item 337, App H)
1 1/16 & 1 1/8-inch box wrench (item 410, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
150 - 750 inch-pound 3/8-inch drive click type torque
wrench (item 442, App H)
Pitch Case Housing Lead Lag Link/Strap Pack Align-
ment Tool (Figure D-475, App D)
Pitch Case Housing Lead Lag Link/Strap Pack Align-
ment Tool (Figure D-476, App D)
Materials/Parts:
Self-locking nut (2)
Corrosion preventive compound (item 62A, App F)
Sealing compound (item 175, App F)
Wire (item 225, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
One person to assist
68X
Armament/Electrical System Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
5.3
Main rotor blade removed
WARNING
FLIGHT SAFETY PART
The main rotor lead lag link 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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M04–230–10
