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32-31-04
ALL ú ú 01 Page 406 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 024-007
(1)
Remove the selector valve quadrant (Fig. 401 and 404):
(a)
Disconnect the turnbuckles on cables LGV1A and LGV1B to loosen them at the quadrant.
NOTE: The turnbuckles are above the passenger compartment on
____ the right side at sta 1320 and 1290 (Fig. 401).
(b)
Disconnect the control rod assembly from the quadrant clevis.
(c)
Remove the quadrant attach bolt.
(d)
Remove the cotter pins that connect the cables to the quadrant.
(e)
Disconnect the cables from the quadrant.
TASK 32-31-04-004-023
3. Nose Landing Gear and Body Landing Gear Selector Valve Quadrant Removal
_______________________________________________________________________
A. References
(1)
09-11-00/201, Towing
(2)
29-11-00/201, Main Hydraulic Supply System
(3)
32-00-30/201, Landing Gear Door Locks
(4)
32-31-00/501, Landing Gear Control
(5)
IPC 32-31-64 Fig. 1
B.
Access
(1)
Location Zone
137 Body Landing Gear Wheel Well, Left
138 Body Landing Gear Wheel Well, Right
C.
Prepare for the Removal of the Quadrant.
S 494-024
WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Install the ground locks in all landing gear (Ref 09-11-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-31-04
ALL ú ú 01 Page 407 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 494-025
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASKS BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2)
Do this task: "Installation of the Door Locks on the Doors for the Wing Landing Gear" (Ref 32-00-30/201).
S 494-026
(3)
Do this task: "Installation of the Door Locks on the Doors for the Body Landing Gear" (Ref 32-00-30/201).
S 864-005
(4)
Make sure there is no pressure to hydraulic system No. 1
(Ref 29-11-00/201).
D.
Remove the Selector Valve Quadrant.
S 024-027
(1)
Remove the selector valve quadrant (Fig. 402 and 403):
(a)
Disconnect the turnbuckles on cables LGV2A and LGV2B to loosen them at the quadrant.
NOTE: The turnbuckles are on the ceiling of the wheel well for
____ the right body landing gear (Fig. 402). The center of the turnbuckle for cable LGV2A is 11 inches from the center of the airplane at station 1386. The center of the turnbuckle for cable LGV2B is 29 inches from the center of the airplane at station 1387.5.
(b)
Disconnect the control rod assembly from the quadrant clevis.
(c)
Remove the quadrant attach bolt.
(d)
Remove the cotter pins that connect the cables to the quadrant.
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