(c) Attach the bypass valve bellcrank to the unison ring with a bolt.
1) Tighten the bolt to 190-230 pound-inches (21.5-26.0 N.m).
(d) Assemble the bypass valve bellcrank, with the rod-end bearing to the VBV.
(e) Use a spray gun to put a thin layer of release agent compound on the part of the VBV
that touches the fan frame.
CAUTION
DO NOT PERMIT THE BEARING TO MOVE WHEN YOU INSTALL THE
BOLT. IF YOU PERMIT THE BEARING TO MOVE, THE BLEED VALVE
CAN BECOME OUT OF ADJUSTMENT.
(f) Attach the rod-end bearing to the VBV with a clevis bolt, two washers, and nut.
1) Tighten the nut to 55-70 pound-inches (6.2-7.9 N.m).
SUBTASK 72-35-00-418-072-G00
(9) Install the number one acoustic liner in position immediately above the 3 o'clock location (aft to
forward) (Figure 804) as follows:
(a) Make sure all the mating surfaces are clean and without deterioration.
(b) Apply a thin layer of Esnalube 382 compound, D00031 [P06-038] to the retainer screw
threads.
CAUTION
DO NOT USE A HAMMER OR MALLET TO PUT THE ACOUSTICAL LINER
SECTIONS IN THEIR POSITIONS. YOU CAN EASILY CAUSE DAMAGE
TO THE ACOUSTICAL LINER SECTIONS.
(c) Put the acoustical liner in position and engage the acoustical liner in the fan case.
1) Tighten the retainer screws to 55-70 pound-inches (6.2-7.9 N.m).
(d) Apply black silicone adhesive to the areas around the acoustical liner.
1) Make sure the adhesive is at the same height as the adjacent surfaces.
SUBTASK 72-35-00-418-073-G00
(10) Install the B1-0 borescope plug (Figure 803) as follows:
(a) Apply a light layer of antiseize compound on the threads and the pressure faces of the
plug.
(b) Install the borescope plug into the borescope port.
1) Tighten the plug to 40-60 pound-inches (4.5-6.8 N.m).
(c) Install lockwire.
SUBTASK 72-35-00-948-074-G00
(11) Remove the N2 rotor manual or pneumatic cranking system (PAGEBLOCK 72-00-00/201).
SUBTASK 72-35-00-828-078-G00
(12) Adjust the VSV system to the fully closed position (PAGEBLOCK 75-31-03/501).
SUBTASK 72-35-00-948-079-G00
(13) If no more work will be done at this time, do this task: Put the Airplane to its Usual Condition.
END OF TASK
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-35-00
NoC
Page 858
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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
To Next Page
Loading...
