TM 1-1520-238-23
6-518
Change 8
6.125.
INTERMEDIATE GEARBOX OUTPUT SEAL ASSEMBLY REMOVAL/INSTALLATION
6.125.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.125.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
0.002 - 0.040-inch gap setting gage (item 147, App H)
0.0015 - 0.0250-inch thickness gage (item 152, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
30 - 150 inch-pound 3/8-inch drive click type torque
wrench (item 441, App H)
Materials/Parts:
Bolt (NAS564-33 for removal) (2)
Packing (3)
Self-locking nut (6)
Spacer
Assembly fluid (item 30, App F)
Brush (item 34, App F)
Cloth (item 52, App F)
Corrosion preventive compound (item 63, App F)
Grease (item 91, App F)
Lubricating oil (item 119, App F)
Sealing compound (item 160, App F)
Sealing compound (item 177, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1500-204-23
Equipment Conditions:
Ref
Condition
6.122
Intermediate gearbox output shouldered
shaft 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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M04-2769-7
