S 034-031

 (9)  
Loosen the turnbuckles on the cables (GDR3A, GDR3B, LGDR3A and LGDR3B - LH) or (GDR4A, GDR4B, LGDR4A and LGDR4B - RH).

 S 034-032

 (10)
 Remove the cable retainers.

 S 034-052

 (11)
 Disconnect the cables from the differential.

 S 034-033

 (12)
 Disconnect the differential output rod from the differential.

 S 024-034

 (13)
 Remove the bolts and remove the differential and safety valve assembly.

 TASK 32-36-07-404-011
 3.  Installation of the Differential and Safety Valve_________________________________________________
 A. Equipment
 (1)  
G12001 Rig Pins ~.............................................. | Rig Pin | Length | Dash Number | ................................................ | AE/GD-3 | 4.00 | 15 | ................................................ | AE/GD-4 | 4.00 | 15 | ................................................ | AE/GD-5 | 4.00 | 15 | ................................................ | AE/GD-6 | 4.00 | 15 | ................................................ | AE/GD-7 | 5.00 | 16 | ................................................ | AE/GD-8 | 5.00 | 16 | 2............…...............….................1

 (2)  
Cable Tensiometer - 0 to 300-pound range for 3/32 and 1/8-inch cable

 B.
Consumable Materials

 (1)  
D00288 Lubricant - MCS352

 C.
References

 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (3)  
AMM 32-00-30/201, Landing Gear Door Locks

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-36-07
 ALL  ú ú 01 Page 407 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (4)  
AMM 32-36-00/501, Wing Gear Alternate Extension System

 (5)  
IPC 32-36-08 Fig. 1

 (6)  
SSM 32-35-02

 (7)  
WDM 32-35-12

 D.
Access

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

 E.
Installation of the Differential and Safety Valve (Fig. 401)

 S 864-012
 (1)  
Make sure that all ground locks are installed on the landing gear (AMM 09-11-00/201).

 S 644-013

 (2)
Lubricate the O-rings, backup rings, and fittings with lubricant.

 S 434-014

 (3)  
Install the hydraulic fittings in the safety valve. Use new O-rings and backup rings.

 S 424-035

 (4)  
Put the differential and safety valve assembly in its position on the keel beam and install the bolts.

 S 094-036

 (5)  
Remove the caps from the hydraulic lines.

 S 434-037

 (6)  
Connect the hydraulic lines to the fittings.

 S 434-038

 (7)  
Put the cables through the pulleys and connect the cables to the differential drums.

 S 434-039

 (8)  
Install the cable retainers, bolts and lockwire.

 S 984-040

 (9)  
Turn the differential output shaft counterclockwise (when you look from the output crank end of the shaft) to put the differential drums on the stops.

 S 434-041

 (10)
 Use the turnbuckles to tighten the cables.  Make sure you keep the differential drums on the stops.

 (11)
 Remove the cable clamps.

 S 034-042
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-36-07
 ALL  ú ú 01 Page 408 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 S 434-043
 (12) Tighten the cables (LGDR3A and LGDR3B - LH or LGRD4A and LGDR4B -RH) to the tension shown in Fig. 402.
 NOTE: Adjust the cable tension until the differential drums are on
____
 the stops.
　
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