C.  
Make sure the difference between the internal and the external temperature of the airplane is less than 10°F for a minimum of 1 hour before you adjust the cables.

 D.  
To remove the uplock release mechanism these steps are necessary:

 -Remove the electric actuator
 -
Disconnect the door unlock switch

 -
Disconnect the cable clamps

 -
Disconnect the cables

 -
Remove the uplock release mechanism.

 E.  
To install the uplock release mechanism these steps are necessary:

 -Install the uplock release mechanism
 -Connect the door unlock switch
 -
Install the cable clamps

 -
Install and tension the cables

 -
Install the electric actuators.

 TASK 32-36-02-004-001
 2.  Removal of the Uplock Release Mechanism for the Wing Gear_________________________________________________________
 A.  References
 (1)
09-11-00/201, Towing

 (2)
32-36-01/401, Wing Gear Alternate Extension System Electric Actuator

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 32-36-02
 ALL  ú ú 01 Page 401 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (3)  
IPC 32-36-02 Fig. 1

 (4)  
SSM 32-35-02

 (5)  
WDM 32-35-12

 B.
Access

 (1)  
Location Zones
 135 Wing Landing Gear Wheel Well, LH
 136 Wing Landing Gear Wheel Well, RH

 C.
Prepare for the Removal

 S 864-002
 (1)  
Make sure that all the ground locks are installed on the landing gear (Ref 09-11-00/201).

 S 014-003

 (2)  
Remove the electrical actuator for alternate extension of the wing gear (Ref 32-36-01/401).

 NOTE: The airplane must be in the configuration per the prepare for
____ removal of the electric actuator for alternate extension of the wing gear for this procedure.
 D. Removal of the Uplock Release Mechanism (Fig. 401)
 S 034-009
 (1)  
Disconnect the door unlock switch at junction box J71 (J72 RH side).

 S 034-010

 (2)  
Disconnect the cable clamps from the cable between the door unlock switch and the junction box.

 S 034-011

 (3)  
Loosen the turnbuckles on the cables for alternate extension of the wing gear LGDR-3A and -3B (LGDR-4A and -4B RH).

 S 034-012

 (4)  
Disconnect the cables from the cable quadrant in the uplock release mechanism.

 (5)  
Hold the uplock release mechanism.

 S 034-014

 (6)  
Remove the four fasteners that hold the uplock release mechanism to the structure.

 (7)  
Remove the uplock release mechanism.

 S 984-013
 S 024-015
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 32-36-02
 ALL  ú ú 01 Page 402 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400 MAINTENANCE MANUAL
UPLOCK MECHANISM FOR THE WING GEAR
SEE A
WING GEAR MECHANISM
SEE B LGDR3B (LEFT SIDE) CABLE
UPLOCK MECHANISM
LGDR4B (RIGHT SIDE)
A
CABLE
LGDR3A (LEFT SIDE)
LGDR4A (RIGHT SIDE)

RIG PIN CAM
AE/GD-7 (LEFT SIDE) WING GEAR UPLOCK RELEASE MECHANISM
AE/GD-8 (RIGHT SIDE) FOR ALTERNATE EXTENSION (SUPPORT ASSEMBLY NOT SHOWN)
SEEC 1
ELECTRIC ACTUATOR
OUTBD
UNLOCK FWD
SWITCH
WING GEAR MECHANISM
(LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE)

B
1 SUPPORT ASSEMBLY AND ATTACHMENT DETAILS SHOWN ON DETAIL C.
Alternate Extension System for the Wing Gear
Figure 401 (Sheet 1)

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