* SEE THE WDM EQUIPMENT LIST ____THE (X) BELOW THE ACCESS/AREA REFERS TO THE VIEW SHOWN ON FIG. 102. THIS HELPS YOU FIND THE
NOTE:COMPONENTS ON THE ILLUSTRATION. FOR EXAMPLE, (A) REFERS TO VIEW A.
Equipment Center Panel, P1011B - Component Index
Figure 101
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B42806
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747-400 FAULT ISOLATION/MAINT MANUAL
Equipment Center Panel, P1011B - Component Location
Figure 102 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B49157
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747-400 FAULT ISOLATION/MAINT MANUAL
TD442 TD337
P1011B PANEL
P1011B PANEL (LEFT WALL) (RIGHT WALL) B-B
C-C
Equipment Center Panel, P1011B - Component Location
Figure 102 (Sheet 2)
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B48973
A
747-400 MAINTENANCE MANUAL
INSTRUMENT PANELS - DESCRIPTION AND OPERATION
_____________________________________________
1. General_______
A. The 747-400 airplane instrument panels consist of the pilots' forward, overhead maintenance, and auxiliary panels, observers' panels, attendants' panels, cargo handling panels, and miscellaneous control panels. All panels are arranged and located consistent with the prime user(s) of the panel.
B. Instrument Indicators
(1)
There are three principle types of front-mounted instrument installations. They are the clamp mounted, locking-handle mounted, and Camlock mounted.
(2)
The clamp-mounted instrument is held in position by a spring clamp which is fastened to the rear of the front panel or module with a clamp retaining screw; thereby, holding the indicator in position.
(3)
The Camlock mounted instrument is attached to the instrument panel using a quarter-turn fastener.
(4)
The locking-handle mounted instrument is secured in positionn by a hook on each end of the handle. The two hooks latch over two pins in the instrument panel when the handle is held flat against the instrument with two captive screws.
C. Flight-Compartment Panels
(1)
The captain's and first officer's forward instrument panels are installed on support structure with quarter-turn camloc fasteners.
(2)
The other flight compartment instrument panels are a semipermanent installation. That is, the panels remain fixed during normal maintenance operation and component modules are removed from the panels by quick-release fasteners. Each component module is electrically connected to the airplane wiring system by quick-disconnect type connectors.
D. Attendants' Panels
(1)
An attendants' panel is installed on the partition on the right side of the upper deck, near station 480.
(2)
The attendants' panel consists of different modules. You must remove the shroud before you can replace one of the modules. Each module is connected to the airplane wiring by a quick-disconnect type of connector.
E. Cargo Handling Panels
(1) A cargo handling panel is located in both the forward and aft cargo compartment. These panels provide control for the cargo loading mechanisms. Refer to 25-53-00, Containerized Cargo Handling System, for panel details.
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