SUBTASK 30-00-00-020-003
(2) If the fault was repaired, remove the INOP placard from the valve open light.
END OF TASK
TASK 30-00-00-040-803
6. MMEL 30-03 (DDPG) Preparation - Engine and Nose Cowl Anti-Ice Valves Inoperative
(Figure 902, Figure 903)
A. General
(1) This task gives the maintenance steps which prepare the airplane for flight with the engine
anti-ice valves inoperative.
(2) The engine anti-ice valves can be deactivated by locking them closed or open.
B. References
Reference Title
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. Consumable Materials
Reference Description Specification
D00010 Compound - Thread Antiseize, High
Temperature
MIL-PRF-907
D00667 Compound - Antiseize - Loctite C5-A Copper
Based Anti-Seize (Replaces FEL-PRO C5-A)
MIL-PRF-907
D50188 Compound - Anti-Seize, Loctite Silver Grade MIL-PRF-907
D. Prepare for the Procedure
SUBTASK 30-00-00-010-007
(1) Do this task: Open the Fan Cowl Panels, TASK 71-11-02-010-801-F00.
SUBTASK 30-00-00-010-008
(2) Do this task: Open the Thrust Reverser (Selection), TASK 78-31-00-010-801-F00.
SUBTASK 30-00-00-860-019
(3) Open these circuit breakers and install safety tags:
CAPT Electrical System Panel, P18-3
Row Col Number Name
A 6 C00148 ANTI-ICE & RAIN ENG 1 & WING CONT
A 7 C01001 ANTI-ICE & RAIN ENG 1 COWL AI VALVE
B 6 C00149 ANTI-ICE & RAIN ENGINE 2 CONTROL
B 7 C01002 ANTI-ICE & RAIN ENG 2 COWL AI VALVE
E. Put the Engine Anti-Ice Valve Inoperative CLOSED
SUBTASK 30-00-00-210-001
(1) To manually position the valve in the CLOSED position:
(a) Loosen the retaining screw on the manual locking assembly.
(b) Move the hex shaft to the CLOSED desired position.
(c) Slide the locking assembly up the shaft into the recess in the cover plate.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-00-00
Page 912
D633A101-ILF Feb 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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