SUBTASK 30-11-00-720-003
(6) Do this test to make sure that the wing anti-ice valves close when the right duct becomes too
hot.
(a) Open this circuit breaker and install safety tag:
CAPT Electrical System Panel, P18-3
Row Col Number Name
A 1 C00146 ANTI-ICE & RAIN WING ANTI-ICE VALVE
(b) Disconnect the electrical connector, D736 from the right wing ground thermal anti-ice
switch.
(c) Connect a Jumper Wire, STD-6286 between pins 1 and 2 of the electrical connector,
D736.
(d) Remove the safety tag and close this circuit breaker:
CAPT Electrical System Panel, P18-3
Row Col Number Name
A 1 C00146 ANTI-ICE & RAIN WING ANTI-ICE VALVE
(e) Make sure that the L and R VALVE OPEN lights come on brightly.
(f) Open this circuit breaker and install safety tag:
CAPT Electrical System Panel, P18-3
Row Col Number Name
A 1 C00146 ANTI-ICE & RAIN WING ANTI-ICE VALVE
(g) Remove the Jumper Wire, STD-6286 from the electrical connector, D736.
(h) Connect the electrical connector, D736 to the right wing ground thermal anti-ice switch.
(i) Remove the safety tag and close this circuit breaker:
CAPT Electrical System Panel, P18-3
Row Col Number Name
A 1 C00146 ANTI-ICE & RAIN WING ANTI-ICE VALVE
(j) Make sure that the L and R VALVE OPEN lights are dim.
SUBTASK 30-11-00-720-004
(7) Do this check of the air mode transition:
WARNING
OBEY THE PROCEDURE THAT PUTS THE AIRPLANE IN THE AIR MODE.
IF YOU DO THE PROCEDURE INCORRECTLY, INJURIES TO
PERSONNEL, AND DAMAGE TO EQUIPMENT CAN OCCUR.
(a) Do this task: Prepare to Put the Airplane in the Air Mode, TASK 32-09-00-840-801.
(b) Do this task: Put the Airplane in the Air Mode, TASK 32-09-00-860-801.
1) Make sure that the WING ANTI-ICE switch goes to the OFF position.
2) Make sure that the VALVE OPEN lights are bright for 1 to 3 seconds and then go
off.
(c) Put the WING ANTI-ICE switch in the ON position.
1) Make sure that the VALVE OPEN lights are bright for 1 to 3 seconds and then go
dim.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-00
Page 504
D633A101-ILF Feb 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
To Next Page
Loading...
