(k) Connect the electrical connector to the pressure switch.
1) Put the ENG ANTI-ICE 2 switch in the OFF position.
2) Make sure the right COWL ANTI-ICE light goes off.
(l) Remove the safety tags and close these circuit breakers:
CAPT Electrical System Panel, P18-3
Row Col Number Name
B 6 C00149 ANTI-ICE & RAIN ENGINE 2 CONTROL
B 7 C01002 ANTI-ICE & RAIN ENG 2 COWL AI VALVE
SUBTASK 30-11-41-860-009
(5) Make sure the engine and wing anti-ice panel commands the cowl anti-icing valves closed:
(a) Put the ENG ANTI-ICE 1 switch in the OFF position.
1) Make sure the left COWL VALVE OPEN light comes on brightly for 1 to 6 seconds.
2) Make sure the COWL VALVE OPEN light goes off after 6 seconds.
(b) Put the ENG ANTI-ICE 2 switch in the OFF position.
1) Make sure the right COWL VALVE OPEN light comes on brightly for 1 to 6 seconds.
2) Make sure the COWL VALVE OPEN light goes off after 6 seconds.
G. Put the airplane back to its usual condition.
SUBTASK 30-11-41-410-001
(1) Close the right fan cowl panel. To do this, do this task: Close the Fan Cowl Panels,
TASK 71-11-02-410-801-F00.
SUBTASK 30-11-41-860-010
(2) Do this task: Remove Pressure from the Pneumatic System, TASK 36-00-00-860-806.
SUBTASK 30-11-41-860-011
(3) If electrical power is no longer necessary, do this task: Remove External Power,
TASK 24-22-00-860-814.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-41
Page 504
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
To Next Page
Loading...
