C82629
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25-58-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
GUIDE RAIL STOWAGE SUPPORT
GUIDE RAIL QUICK-RELEASE LOCK PIN
GUIDE RAIL STOWAGE SUPPORT QUICK-RELEASE LOCK PIN TENSION STUD
(2 LOCATIONS) SHEAR PLUNGERGUIDE RAIL PIVOT LEVER
PIN AND END FITTINGS
TRANSITION GUIDE RAIL STOWAGE SUPPORT
SEE H
TRANSITION GUIDE RAIL
SWIVELING VERTICAL
TRANSITION GUIDE RAIL
RESTRAINT
PIVOT PIN AND END FITTING
(7 LOCATIONS) SEE H
RAIL SUPPORT (6 LOCATIONS)
GUIDE/RESTRAINT
SHEAR RAIL
PLUNGER LEVER
(6 LOCATIONS) CARGO TIEDOWN
FITTING
(4 LOCATIONS)
AFT RIGHT OUTBOARD GUIDE/RESTRAINT RAIL TRANSITION
GUIDE RAIL
RAIL SUPPORT PIVOT
(2 LOCATIONS) GUIDE RAIL PIN
SHEAR END FITTINGS
PLUNGER LEVER
(2 LOCATIONS)
GUIDE RAIL
SPRING PIN
0.13
AFT LEFT OUTBOARD GUIDE RAIL
INCH
0.11 1 IF IT IS NECESSARY, LOOSEN THE TWO HEX NUTS AT THE
1
AFT END OF THE TRANSITION GUIDE RAIL AND ADJUST THE AFT RIGHT OUTBOARD
END FITTING TO 0.11-0.13 INCH. WITH BOTH END GUIDE/RESTRAINT
FITTINGS IN LINE, TORQUE HEXNUTS 90-125 POUND-INCHES.
RAIL
H
Guide/Restraint Rail Installation Figure 401 (Sheet 8)
C82631
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A
747-400 MAINTENANCE MANUAL
D. Install the Forward Retractable Guide Rails
S 414-142
(1)
Put the guide rail in the up position to get access to the shear studs.
S 024-163
(2)
Remove the screws and washers that attach the shear studs to the guide rail bases and the floor fittings.
S 424-143
(3)
Put the guide rail in its position.
S 824-144
(4)
Adjust the guide rail for the holes on the guide rail bases to align with the holes on the floor fittings.
S 434-145
(5)
Install the screws and washers to attach the shear studs to the guide rail bases and the floor fittings.
S 434-149
(6)
Lift the quick release pin up from the side guide rail and align the swing arm of the guide rail to the side guide rail.
S 434-148
(7)
Put the quick release pin down.
S 824-150
(8)
Adjust the stop forward or aft so when you put the guide rail in the up position the guide rail will not touch the stop.
(9)
Connect the switch wire to the guide rail.
S 394-152
(10)
Apply the seal to the hole in the floor panel at the switch wire position.
S 434-151
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 864-162
(11) Remove the DO-NOT-CLOSE tag and close the circuit breaker:
(a) P415 Power Distribution Center Right Panel
1) 415F21 MN DK CARGO GUIDE RAIL WRN LTS
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