ACCESSORY GEARBOX - ADJUSTMENT/TEST
1. General
A. This procedure gives the instructions to pressurize the accessory gearbox to test the carbon seals
for leakage. You do not operate the engine for this test.
TASK 72-61-01-705-001-G00
2. Leakage Test of the Carbon Seals
(Figure 501
and Figure 501)
A. References
Reference Title
71-11-04 P/B 201 FAN COWL PANELS - MAINTENANCE PRACTICES
(OPEN/CLOSE)
72-61-02 P/B 401 ACCESSORY DRIVE OIL SEAL - REMOVAL/INSTALLATION
72-63-01 P/B 401 HORIZONTAL DRIVE SHAFT - REMOVAL/INSTALLATION
78-31-00 P/B 201 THRUST REVERSER SYSTEM - MAINTENANCE PRACTICES
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-5652 Pressurizing Fixture - Accessory Gearbox
767-200
Part #: 2C14124G02 Supplier: 06083
C. Consumable Materials
Reference Description Specification
D00096 Oil - Jet Engine, Lubricating MIL-PRF-6081 Grade
1005
D. Location Zones
Zone Area
410 Left Powerplant
420 Right Powerplant
E. Procedure
SUBTASK 72-61-01-015-002-G00
(1) Open the fan cowl panels (PAGEBLOCK 71-11-04/201).
SUBTASK 72-61-01-015-016-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 72-61-01-015-003-G00
(3) Remove the horizontal drive shaft (PAGEBLOCK 72-63-01/401).
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-61-01
NoC
Page 501
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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