TM 1-1520-238-23
Change 4
6-591
6.144.
TAIL ROTOR GEARBOX STRUT DISASSEMBLY/ASSEMBLY
6.144.1. Description
This task covers:
Disassembly. Cleaning. Inspection. Assembly.
6.144.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
7/8 x 3/8-inch drive open end box socket wrench
crowfoot attachment (item 86, App H)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
150 - 750 inch-pound 3/8-inch drive click type torque
wrench (item 442, App H)
Materials/Parts:
Brush (item 34, App F)
Primer coating (item 147, App F)
Sealing compound (item 158A, App F)
Wire (item 227, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access fairings L540 and L546 removed
WARNING
FLIGHT SAFETY PART
The intermediate gearbox 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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M04-3707-9
