NACELLE 2 3 ANTI-ICE
1 OFF 4
AUTO
ON
WING ANTI-ICE
AUTO
OFF ON
ANTI-ICE/RAIN REMOVAL MODULE
A
Anti-Ice/Rain Removal Module Installation
Figure 401
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A
747-400 MAINTENANCE MANUAL
TASK 30-11-01-404-004
3. Install the Anti-Ice/Rain Removal Module (Fig. 401)________________________________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 30-11-00/501, Wing Thermal Anti-Ice System
(3)
AMM 30-21-00/501, Engine Inlet Thermal Anti-Ice System
(4)
AMM 30-41-00/501, Flight Compartment Window Anti-Ice System
(5)
AMM 30-42-00/501, Windshield Wiper System
(6)
AMM 30-44-00/501, Windshield Washer System
B. Access
(1) Location Zone
221, 222 Control Cabin
C. Procedure
S 424-006
(1) Install the anti-ice/rain removal module:
(a)
Connect the electrical coneectors to the anti-ice/rain removal module and install the module in the P5, panel.
(b)
Install the four screws which hold the anti-ice/rain removal module in the P5 panel.
S 864-005
(2) Close these circuit breakers:
(a)
P6, Main Power Distribution Panel
1) 6B32, WINDSHIELD WASH PUMP
2) 6C9, WING ANTI-ICE CONT
3) 6J10, NACELLE ANTI-ICE ENG 1
4) 6J11, NACELLE ANTI-ICE ENG 2
5) 6J12, NACELLE ANTI-ICE ENG 3
6) 6J13, NACELLE ANTI-ICE ENG 4
(b)
P7, Overhead Circuit Breaker Panel
1) 7E1, WSHLD WIPER L
2) 7E2, WSHLD RAIN REPEL
3) 7E25, WSHLD WIPER R
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747-400 MAINTENANCE MANUAL
S 864-013
(3) Supply electrical power (AMM 24-22-00/201).
S 714-007
(4) Do an operational test of the wing thermal anti-ice system
(AMM 30-11-00/501).
S 714-008
(5) Do an operational test of the engine inlet thermal anti-ice system
(AMM 30-21-00/501).
S 714-009
(6) Do an operational test of the flight compartment window anti-ice
system (AMM 30-41-00/501).
S 714-010
(7) Do an operational test of the windshield wiper system
(AMM 30-42-00/501).
S 714-011
(8) Do an operational test of the windshield rain repellent system:
(a) Make sure that the shutoff valve is open.
(b) Make the windshield area wet with water.
(c) Push the applicable RAIN REP switch on the anti-ice/rain
removal module (P5, panel) and release it.
(d) Make sure that rain repellent fluid is released from the spray
nozzles.
WARNING: DO NOT LET THE RAIN REPELLENT FLUID TOUCH YOUR SKIN OR_______
EYES. THE FLUID CAN CAUSE IRRITATION. DO NOT BREATHE THE
FUMES. IF THE FLUID TOUCHES YOU, WASH YOUR SKIN OR EYES
WITH WATER.
(e) Fully flush all rain repellent fluid from the airplane skin
with a strong spray of water.
(f) Make sure that the fluid level in the visual reservoir is above
the REPLACE CAN mark.
(g) Make sure that the pointer of the pressure gauge is in the
green band.
(h) If the pressure or the fluid level are below the minimum level,
do this task: "Service the Rain Repellent Fluid Container"
(AMM 12-16-02/301).
S 714-012
(9) Do an operational test of the windshield washer system
(AMM 30-44-00/501).
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