TASK 30-21-11-400-801
3. Engine Cowl TAI Valve Installation
(Figure 401)
A. General
(1) This task gives instructions to install the Engine Cowl TAI Valve.
(2) For this procedure the engine cowl TAI valve will be referred to as the valve.
B. References
Reference Title
36-00-00-860-802 Supply Pressure to the Pneumatic System with an External
Ground Air Source (P/B 201)
36-00-00-860-803 Supply Pressure to the Pneumatic System with the APU
(P/B 201)
36-00-00-860-806 Remove Pressure from the Pneumatic System (P/B 201)
71-00-00-700-819-F00 Stop the Engine Procedure (Usual Engine Stop) (P/B 201)
71-00-00-800-807-F00 Start the Engine Procedure (Selection) (P/B 201)
71-11-02-410-801-F00 Close the Fan Cowl Panels (P/B 201)
78-31-00-010-801-F00 Open the Thrust Reverser (Selection) (P/B 201)
78-31-00-010-804-F00 Close the Thrust Reverser (Selection) (P/B 201)
C. 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
COM-1550 Bonding Meters - Approved, Intrinsically Safe (Approved for use in
Class I, Divisions I & II hazardous (classified) locations. Outside
these hazardous locations, COM-614 can be used in lieu of
COM-1550).
737-600, -700, -800
Part #: 620LK Supplier: 1CRL2
Part #: M1 Supplier: 3AD17
Part #: T477W (C15292) Supplier: 01014
Opt Part #: M1B Supplier: 3AD17
STD-1014
Wrench - Torque, 0 to 150 in-lbs (0 to 16.9 N-m)
STD-3906
Mallet - Rubber
D. Consumable Materials
Reference Description Specification
B00130 Alcohol - Isopropyl TT-I-735
G01048 Lockwire - MS20995C32, Corrosion Resistant
Steel - 0.032 Inch (0.8128 mm) Diameter
NASM20995
E. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
2 Seal 30-21-11-01-125 ILF 401, 406, 409, 412
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-21-11
Page 405
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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