B. Location Zones
Zone Area
412 Left Powerplant Nose Cowl
422 Right Powerplant Nose Cowl
C. Procedure
SUBTASK 72-31-00-212-012-G00
(1) Visually examine the No. 1 Bearing Manifold for the conditions that follow:
NOTE: Use the spot fluorescent penetrant inspection (PAGEBLOCK 70-11-06/201) on cracks
you cannot see clearly.
Condition Maximum Serviceable Limits
Cracked or Broken Vanes Two cracked or broken vanes are permitted. Replace the manifold if
necessary.
END OF TASK
TASK 72-31-00-102-013-G00
5. Examine and Clean the Fan Midshaft
A. General
(1) High or irregular fan vibration can be caused by puddles of oil in the fan midshaft. This task
gives the instructions on how to examine and clean the oil from the fan midshaft.
B. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
Reference Description
SPL-6711 Wrench - Center Vent Tube
767-200
Part #: 2C6876G02 Supplier: 06083
SPL-12858 Retaining Ring Pliers for CF6-45/50 & -80A/A2 Engines
767-200
Part #: 2C6935P01 Supplier: 06083
SPL-12859 Fan Rotor Locking Strap Set
767-200
Part #: 2C6068G03 Supplier: 06083
STD-6391
Mop - long handle (4 - 5 foot), or long wooden stick with shop cloth
attached to one end
STD-6555
Applicator - Solvent
C. Consumable Materials
Reference Description Specification
A01059 [C01-011] Paste - Adhesive, Two Part (Hysol EA 934NA) A50TF94 Class B
B00062 Solvent - Acetone (99.5% Grade) ASTM D 329
(Supersedes O-A-51)
B00070 Solvent - Methyl Chloroform (1-1-1
Trichloroethane) - Clorothene NU
ASTM D4126
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-31-00
NoC
Page 204
D633T1B7 Dec 22/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ABX 001-007, 011, 012, 016-019, 021, 022, 025, 101,
109, 114, 115, 314-999
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