(Continued)
Reference Description
SPL-5659 Kit - Fan Trim Balance
767-200
Part #: 2C14963G06 Supplier: 06083
Part #: PBS-4100 Supplier: 26741
STD-6378
Protective Mat - Rubber, Manufacturers Association, Grade SC43,
neoprene sponge, 1 inch thick, approximately 3 x 4 feet with warning
streamer attached
STD-7049
Marker
D. Consumable Materials
Reference Description Specification
G51119 Paper - Polargraph, Commercially Available
E. Location Zones
Zone Area
410 Left Powerplant
420 Right Powerplant
F. Prepare for the Trim Balance Procedure
SUBTASK 72-31-00-015-003-G00
(1) Open the fan cowl panels (PAGEBLOCK 71-11-04/201).
SUBTASK 72-31-00-045-004-G00
WARNING
DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT
THE OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL
OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO
PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this procedure: Thrust Reverser Deactivation for Ground Maintenance
(PAGEBLOCK 78-31-00/201).
SUBTASK 72-31-00-015-005-G00
(3) Open the core cowl panels (PAGEBLOCK 71-11-06/201).
SUBTASK 72-31-00-015-036-G00
(4) Open the louvered exhaust door on the fan duct cowl and the thrust reverser.
SUBTASK 72-31-00-425-006-G00
(5) Connect the portable engine balancing system, COM-3932 or trim balance kit, SPL-5659 to the
engine as follows (Figure 501):
(a) Connect the wires to the connector for the number one bearing accelerometer and the N1
speed connector.
(b) Find the heat exchanger on the aft firewall next to the accessory compartment of the
engine.
(c) Remove the bolts and remove the access panel to the heat exchanger.
NOTE: This access panel is not pushed out when it is removed, like the other blowout
panels on the same aft firewall.
(d) Put the wires (from the accelerometer and the N1 speed sensor) aft and down through
the heat exchanger access hole into the accessory compartment of the engine.
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-31-00
NoC
Page 502
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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