TASK 72-33-04-308-025-G00
5. Thrust Reverser Support Wear Coating Repair
(Figure 802)
A. References
Reference Title
71-11-04 P/B 201 FAN COWL PANELS - MAINTENANCE PRACTICES
(OPEN/CLOSE)
78-31-00 P/B 201 THRUST REVERSER SYSTEM - MAINTENANCE PRACTICES
B. Consumable Materials
Reference Description Specification
A01044 [C01-030] Adhesive - Phenolic - Metcoseal AP
B00148 Solvent - Methyl Ethyl Ketone (MEK) ASTM D740
B00674 [C01-031] Thinner - Phenolic Sealer - Metroseal APT
C. Location Zones
Zone Area
410 Left Powerplant
420 Right Powerplant
D. Procedure
SUBTASK 72-33-04-018-026-G00
(1) Open the fan cowl panels (PAGEBLOCK 71-11-04/201).
SUBTASK 72-33-04-018-032-G00
WARNING
OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO
PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(2) Open the thrust reversers (PAGEBLOCK 78-31-00/201).
SUBTASK 72-33-04-118-038-G00
CAUTION
MAKE SURE THAT OBJECTS DO NOT FALL THROUGH THE OPEN VALVES
INTO THE ENGINE. DAMAGE TO THE ENGINE CAN OCCUR.
(3) Clean the Cu-Ni-In surface:
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.
(a) Clean the surface with solvent, B00148 and a bristle brush to remove all the oils.
(b) Permit the surface to air dry.
SUBTASK 72-33-04-398-028-G00
(4) Paint the wear-coated surfaces:
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-33-04
NoC
Page 814
D633T1B7 Aug 22/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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