Fuel Line - Strut Access
Figure 401
G82972
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747-400
MAINTENANCE MANUAL
FRONT SPAR SPAR SHROUDED
OF THE WING COUPLING
SEE F
INBOARD STRUT
OUTBOARD SEE B STRUT
UPPER TUBE
SEE A
2
DRAIN LINE FOR
UPPER LINK
THE SHROUDED FUEL 1
COUPLING
SHROUDED BULKHEAD
SADDLE CLAMP
COUPLING SEE K
SEE E
FUEL LINE
BONDING
JUMPER
(EXAMPLE)
SEE J
NACELLE
STRUT
COUPLING
SEE D
CLAMP BLOCK (EXAMPLE)
COUPLING SEE I
SEE D
SERVICE DISCONNECT INSTALLATION
SEE C
OUTBOARD STRUT
____ NACELLE FOR ENGINE NO. 1 SHOWN, A
NOTE:NACELLE STRUT FOR ENGINE NO. 4 IS ALLMOST THE SAME.
1 MINIMUM DISTANCE BETWEEN THE FUEL 2 MINIMUM DISTANCE BETWEEN THE FUEL TUBE TUBE AND THE UPPER LINK IS 0.30 INCH. AND THE PNEUMATIC DUCTING IS 0.50 INCH.
Fuel Line - Nacelle Strut
Figure 402 (Sheet 1)
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L06205
A
747-400
MAINTENANCE MANUAL
SPAR FRONT SPAR COUPLING OF THE WING
SEE H
COUPLING
SEE D
NACELLE STRUT
BULKHEAD COUPLING
SEE G
FUEL LINE
SCREW JUMPER BONDING
(4 LOCATIONS) (EXAMPLE) WASHER
SEE J (4 LOCATIONS)
CAP
COUPLING SPACER (4 LOCATIONS)
SEE D BOLT AND WASHER (6 LOCATIONS)
CLAMP BLOCK BLOCK
(EXAMPLE)
COUPLING SEE I
SEE D BOLT
(4 LOCATIONS)
SERVICE DISCONNECT INSTALLATION PLATE
SEE C
INBOARD STRUT B
RACEWAY COUPLING (REF 71-00-02/401)
SERVICE DISCONNECT INSTALLATION
NOTE: NACELLE STRUT FOR ENGINE NO. 2 SHOWN,NACELLE STRUT FOR ENGINE NO. 3 ALMOST THE SAME.
C
Fuel Line - Nacelle Strut Figure 402 (Sheet 2)
G82991
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MAINTENANCE MANUAL
COUPLING NUT
A
COUPLING
O-RINGS COUPLING NUT
A
COUPLING
TUBE B FERRULE
FERRULE
FERRULE
TUBE A
TUBE A
TUBE B
RETAINER HALVES
RETAINING RINGS
A-A
COUPLING
O-RING NUT
TUBE B
FERRULE
TUBE A
O-RING
RETAINING RING
COUPLING
RETAINER HALVES
RETAINING RING
COUPLING D
Fuel Line - Nacelle Strut Figure 402 (Sheet 3)
G82992
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747-400 MAINTENANCE MANUAL
UNION O-RING
B
O-RING
RETAINER HALF COUPLING
(2 LOCATIONS) FUEL TUBE BODY
(REF) RETAINING RING BULKHEAD O-RING
SPACER
(REF) O-RING
FUEL TUBE BODY
(REF)
RETAINING RINGS O-RING
SPACER
NUT
O-RING
RETAININGO-RING
B
RING COUPLING COUPLING FWD NUT NUT
SHROUDED BULKHEAD COUPLING (OUTBOARD STRUT)
E
COUPLING BULKHEAD
BODY
RETAINER
(REF) HALF
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