TM 55-2840-254-23
2-69 CLEAN NO. 3 BEARING PACKAGE (AVIM)
2-69
INITIAL SETUP
Applicable Configuration:
All
Tools:
Powerplant Mechanic’s Tool Kit,
NSN 5180-00-323-4944
Goggles
Cornpressecl Air Source
Fiber Brush
Materials:
Dry Cleaning Solvent (E17)
Gloves (E20)
Lint-Free Cloth (E26)
Lubricating Oil (E32)
Personnel Required:
68B10 Aircraft Powerplant Repairer
Equipment Condition:
Engine Oil System Drained (Task 1-75)
Fuel Boost Pump Assembly Removed (Task 6-9)
Starter Drive Assembly Removed (Task 5-12)
Output Shaft Seal and Housing Assembly
Removed (Task 2-48)
Output Shaft Removed (Task 9-6)
Inlet Housing Cover Assembly Removed
(Task 2-53)
Tube Assembly Removed (Inlet Housing to
Main Oil Pump (Task 8-50)
Overspeed Drive and Outlet Cover
Assembly Removed (Task 5-1 7)
Output Shaft Support Housing Removed
(Task 2-58)
Torquemeter Junction Box Removed (Task 9-1)
Torquemeter Head Assembly Removed (Task 9-11)
Accessory Gear Assembly Removed (Task 5-8)
No. 3 Bearing Package Removed (Task 2-67)
No. 3 Bearing Package Disassembled (Task 2-68)
General Safety Instructions:
Dry cleaning solvent (E17) is flam-
mable and toxic. It can irritate skin
and cause burns. Use only in well-
ventilated area, away from heat and
open flame. In case of contact, im-
mediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
When using compressed air for clean-
ing, use approved protective equip-
ment for eyes and face. Do not use
more than 30 psig air pressure. Do not
direct air toward yourself or another
person. Failure to comply could result
in injury to eyes or skin. In case of
injury, get medical attention.
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