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L46414
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747-400
FAULT ISOLATION/MAINT MANUAL

DRIVE WHEEL
DRIVE WHEEL
ACTUATOR WHEEL SHIELD
GUTTER
DRIVE WHEEL
DISENGAGE
CABLE

NONSTEERABLE PDU (FIXED AND MANUALLY ADJUSTABLE)
A
DRIVE WHEEL DISENGAGE CONTROL HANDLE
DRIVE WHEEL
ACTUATOR

WHEEL
SHIELD

DRIVE WHEEL
STEERING
ACTUATOR

RETRACTABLE/STEERABLE PDU
B
Main Deck Cargo Handling System - Component Location Figure 102 (Sheet 2)
 C87312
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A

747-400
FAULT ISOLATION/MAINT MANUAL

DRIVE-WHEEL  PDU HANDLE
DRIVE-WHEEL ACTUATOR
INDEX PLATE (2 LOCATIONS) LOCKPIN
DUMMY CONNECTOR AND COVER PDU ELECTRICAL CONNECTOR
ELECTRICAL RECEPTACLE
LIMIT SWITCH (EXAMPLE)
STEERING ACTUATOR
PDU HANDLE
DRIVE-WHEEL ELECTRICALLY STEERABLE PDU
RED TRIGGER FLAG  DRIVE-WHEEL ACTUATOR (WITHOUT DISENGAGE CABLE)
PDU ARROW
C
INDICATOR
LOCKPIN
GEAR
SEGMENT

DRIVE-WHEEL
DISENGAGE CABLE
INDEX PLATE
(2 LOCATIONS)

PDU ELECTRICAL ELECTRICAL
CONNECTOR RECEPTACLE DUMMY CONNECTOR AND COVER
DRIVE-WHEEL DISENGAGE CABLE STOWAGE FITTING
LIMIT SWITCH (EXAMPLE)
STEERING ACTUATOR
ELECTRICALLY STEERABLE PDU
(WITH DISENGAGE CABLE)

C
Main Deck Cargo Handling System - Component Location
Figure 102 (Sheet 3)

C87347
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747-400 FAULT ISOLATION/MAINT MANUAL
20-FOOT LOCAL
REMOTE CARGO
CARGO CONTROL
CONTROL PANEL
LOCAL CONTROL CONTROL PANEL

SEE
E CONTROL PANEL SEE
SEE
G

Main Deck Cargo Handling System - Component Location
Figure 102 (Sheet 4)

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747-400 FAULT ISOLATION/MAINT MANUAL

Main Deck Cargo Handling System - Component Location
Figure 102 (Sheet 5)

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747-400 FAULT ISOLATION/MAINT MANUAL
AUXILIARY CONTROL PANEL, M5215 REMOTE CARGO CONTROL PANEL, M10
EF

SIDE CARGO DOOR CONTROL PANEL, M1
G
Main Deck Cargo Handling System - Component Location

Figure 102 (Sheet 6)

C87325
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747-400 FAULT ISOLATION/MAINT MANUAL

Main Deck Cargo Handling System - Component Location
Figure 102 (Sheet 7)

C87327
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