Boeing 767 - Pageblock 72-31-02;701 - FAN ROTOR BLADES - CLEANING;PAINTING; Task 72-31-02-107-001-G00 - Clean the Fan Rotor Blades; Subtask 72-31-02-947-002-G00; Subtask 72-31-02-117-003-G00

FAN ROTOR BLADES - CLEANING/PAINTING
1. General
A. This procedure contains the fan rotor blades cleanning
TASK 72-31-02-107-001-G00
2. Clean the Fan Rotor Blades
A. Tools/Equipment
Reference Description
STD-6378
Protective Mat - Rubber, Manufacturers Association, Grade SC43,
neoprene sponge, 1 inch thick, approximately 3 x 4 feet with warning
streamer attached
B. Consumable Materials
Reference Description Specification
B00148 Solvent - Methyl Ethyl Ketone (MEK) ASTM D740
B00678 [C04-003] Solvent - General ASTM D329
B00679 [C04-035] Alcohol - Isopropyl
B50222 [C04-028] Compound - Cleaner
G02348 [C10-010] Pad - Abrasive - Scotch-Brite 7447
G50138 Cloth - Soft Cotton
C. Location Zones
Zone Area
412 Left Powerplant Nose Cowl
422 Right Powerplant Nose Cowl
D. Procedure
SUBTASK 72-31-02-947-002-G00
(1) Put protective mats, STD-6378 (3 required) on the bottom half of the internal inlet cowl.
SUBTASK 72-31-02-117-003-G00
WARNING
DO NOT GET METHYL ETHYL KETONE (MEK) IN YOUR MOUTH OR EYES,
OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM MEK. PUT ON A
RESPIRATOR, PROTECTIVE SPLASH GOGGLES, AND GLOVES WHEN YOU
USE MEK. KEEP MEK AWAY FROM SPARKS, FLAME, AND HEAT. MEK IS A
POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURIES TO
PERSONS AND DAMAGE TO EQUIPMENT.
(2) Remove light deposits of oil from the fan blades with soft cotton cloth, G50138 and one of
these solvents:
(a) solvent, B00148
(b) solvent, B00678 [C04-003]
(c) alcohol, B00679 [C04-035]
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-31-02
NoC
Page 701
D633T1B7 Aug 22/2017
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