TM 1-1520-238-23
6-121
6.24.
ENGINE NOSE GEARBOX BREATHER REPLACEMENT
6.24.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.24.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
1/2 x 3/8-inch drive socket wrench adapter (item 3,
App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
1 x 1/2-inch drive deep socket wrench socket
(item 293, App H)
0 - 300 inch-pound 3/8-inch drive click type torque
wrench (item 439, App H)
Materials/Parts:
Packing
Petrolatum (item 138, App F)
Wire (item 226, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.123
Engine nose gearbox fairings and shrouds
removed
NOTE
This task is typical for either No. 1 or No.
2 engine nose gearbox breather.
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M04-0527-1
