ENGINE COWL ANTI-ICING SYSTEM - ADJUSTMENT/TEST
1. General
A. This procedure has these tasks:
(1) Test of the Engine Cowl Thermal Anti-Icing System.
TASK 30-21-00-710-801
2. Engine Cowl Anti-Icing - Operational Test
(Figure 501)
A. General
(1) This test makes sure that the cowl thermal anti-icing (TAI) system is operating properly.
Specific tests for cowl TAI components are contained in other procedures.
B. References
Reference Title
24-22-00-860-813 Supply External Power (P/B 201)
24-22-00-860-814 Remove External Power (P/B 201)
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)
71-11-02-010-801-F00 Open the Fan Cowl Panels (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. Location Zones
Zone Area
212 Flight Compartment - Right
D. Prepare for the Test
SUBTASK 30-21-00-860-001
(1) Supply electrical power to the airplane. To do this, do this task: Supply External Power,
TASK 24-22-00-860-813.
E. Test of the ENG ANTI-ICE Switches and Indication
SUBTASK 30-21-00-910-001
CAUTION
DO NOT KEEP THE COWL TAI VALVE OPEN FOR MORE THAN THE
SPECIFIED TIME WHEN THE TEMPERATURE IS MORE THAN THE
SPECIFIED LIMIT. DAMAGE TO THE INLET COWL CAN OCCUR.
(1) If the outside air temperature is more than 50°F (10°C), operate the engine cowl anti-icing
system for 30 seconds or less.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-21-00
Page 501
D633A101-ILF Feb 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
To Next Page
Loading...
