(c)
Move the ground release handles for the doors for the main landing gear to the DOORS CLOSED position.
S 862-013
(6)
If you must lock the wing landing gear down, open this circuit breaker and attach a collar:
(a)
P7, Overhead Circuit Breaker Panel
1) 7F24, LANDING GEAR LEVER LOCK
S 862-019
(7) Put the switch for Gear Down Dispatch in the Gear Down Dispatch position.
NOTE: The switch is on the forward, right side of the Electrical
____
and Electronics compartment.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-00-00
ALL ú ú 01 Page 205 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
TASK 32-00-00-042-004
3. Preparation of the Airplane for Dispatch with the Wing Landing Gear___________________________________________________________________ Locked Down___________
A. Special Tools and Equipment
(1)
6ME65B00161-1 - Wing and Body Gear Ground Lockpin (2 are necessary)
B.
Standard Tools and Equipment
(1)
Fasteners to hold the wing gear lockpins (2 of each are necessary)
(a)
AN960-1616 - Washer
(b)
BACB30LK04-16 - Lockpin Retainer Bolt
(c)
AN960-4L - Washer
(d)
BACN10JC04 - NUT
C.
References
(1)
AMM 32-00-30/201, Landing Gear Door Locks
D.
Access
(1)
Location Zone 118 Electrical and Electronics Compartment, RH 735 Wing Landing Gear, LH 745 Wing Landing Gear, RH
E.
Send the Airplane with the Wing Landing Gear Locked Down.
S 862-039
(1) Do one of the two steps that follow to hold the landing gear doors in the open position:
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK 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 OR DAMAGE TO EQUIPMENT.
(a) Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR
_______ OPERATION AREA. A FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(b) Move the ground release handles for the doors for the main landing gear to the DOORS OPEN position.
S 492-023
(2)
Install the ground locks in the left wing landing gear (Fig. 201):
(a)
Remove the attach cable, the warning streamer, the clip and the split ring from the ground lockpin.
(b)
Put the parts in the lockpin box.
(c)
Install the ground lockpin in the wing landing gear.
(d)
Install the AN960-1616 washer.
(e)
Install the lockbolt, the washer, and the nut.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-00-00
ALL ú ú 01 Page 206 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 492-034
(3)
Install the ground locks in the right wing landing gear (Fig. 201):
(a)
Remove the attach cable, the warning streamer, the clip and the split ring from the ground lockpin.
(b)
Put the parts in the lockpin box.
(c)
Install the ground lockpin in the wing landing gear.
(d)
Install the AN960-1616 washer.
(e)
Install the lockbolt, the washer, and the nut.
S 862-040
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