SUBTASK 30-21-11-010-001
(5) For the right fan cowl panel, do this task: Open the Fan Cowl Panels,
TASK 71-11-02-010-801-F00
E. Engine Cowl TAI Valve Removal
SUBTASK 30-21-11-020-001
(1) Disconnect the electrical connector DP1303 [10] from the valve [5].
SUBTASK 30-21-11-020-002
(2) Remove the bolt [6], the washer [7] and the nut [9] that attach the bonding jumper [8] to the
valve [5].
(a) Move the bonding jumper [8] away from the valve [5].
SUBTASK 30-21-11-020-003
(3) Remove the bolts [11] and the nuts [12] that attach the aft duct to the fan case bracket.
SUBTASK 30-21-11-020-004
(4) Do these steps to remove the valve [5]:
(a) Disconnect the couplings [1] at each end of the valve [5].
CAUTION
DO NOT APPLY TOO MUCH FORCE TO THE AFT DUCT. APPLY ONLY
ENOUGH FORCE TO MOVE THE AFT DUCT REARWARD
APPROXIMATELY 0.5 INCH (13 MM). IF YOU APPLY TOO MUCH FORCE,
YOU CAN DAMAGE THE AFT DUCT.
(b) Push the aft duct rearward to disengage the duct flanges.
NOTE: You can install a temporary support between the fan case bracket and the aft
duct to hold the duct in this position. This will make the removal of the valve
easier.
(c) Remove the valve [5] from the engine.
(d) Remove the seal [2] from the forward end of the valve [5] and the aft duct flange.
(e) Install protective covers on the openings of the ducts and the valve [5].
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-21-11
Page 402
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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