ENGINE NOSE GEARBOX OIL JET FILTERS REMOVAL/INSTALLATION
This task covers:
Removal. Cleaning. Inspection. Installation.
6.31.2. Initial Setup
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
10 - 50 inch-pound 1/4-inch drive click type torque
wrench (item 434, App H)
Packing (one per filter)
Protective bolt (AN5-60)
Petrolatum (item 138, App F)
Wire (item 226, App F)
Aircraft Powertrain Repairer/NDI
Attack Helicopter Repairer/Technical
Engine nose gearbox fairings and shrouds
Engine nose gearbox flexible coupling, fan
impeller, and inlet diffuser removed (only if
removing inboard oil jet filter on right engine
This task is typical for all No. 1 or No. 2 engine nose gearbox oil jet filters.
Top aft oil jet on right engine nose gearbox has been replaced with a gear mesh plug due to
addition of an inboard oil jet. Do not remove gear mesh plug.
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