D. Prepare for the Removal
SUBTASK 30-11-41-860-016
(1) Make sure that these circuit breakers are open and have safety tags:
CAPT Electrical System Panel, P18-3
Row Col Number Name
A 1 C00146 ANTI-ICE & RAIN WING ANTI-ICE VALVE
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
SUBTASK 30-11-41-010-004
(2) Open the P5 overhead panel.
(a) Loosen the quarter turn fasteners on the bottom corners of the P5 overhead panel.
WARNING
HOLD THE PANEL TIGHTLY BEFORE YOU RELEASE THE LATCH. THE
PANEL IS HEAVY. INJURIES CAN OCCUR IF IT HITS YOU.
(b) Release the panel safety latch.
E. Engine and Wing Anti-Ice Panel Installation
SUBTASK 30-11-41-420-004
(1) Install the engine and wing anti-ice module [1] in the P5 overhead panel.
SUBTASK 30-11-41-420-005
(2) Tighten the fasteners.
SUBTASK 30-11-41-420-006
WARNING
THERE ARE HIGH VOLTAGES IN THE P5 OVERHEAD PANEL. MAKE SURE
THAT YOU DO NOT TOUCH OR SHORT EXPOSED TERMINALS. INJURY TO
PERSONNEL OR DAMAGE TO EQUIPMENT CAN OCCUR.
(3) Attach the connectors to the engine and wing anti-ice module [1].
SUBTASK 30-11-41-410-002
CAUTION
MAKE SURE THE WIRE ASSEMBLIES ARE FLEXIBLE. DO NOT BEND OR
TWIST THEM DURING REMOVAL OR INSTALLATION. THIS CAN CAUSE
DAMAGE TO THE WIRE HARNESSES.
(4) Do these steps to close the P5 overhead panel:
(a) Raise the P5 overhead panel.
WARNING
HOLD THE PANEL TIGHTLY BEFORE YOU RELEASE THE LATCH. THE
PANEL IS HEAVY. INJURIES CAN OCCUR IF IT HITS YOU.
(b) Make sure the safety latch is in the proper position.
(c) Tighten the quarter turn fasteners on the bottom corners of the P5 overhead panel.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-41
Page 405
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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