NOTE: Tool G32028 supersedes 9ME65B00163 (PME65B00161-1).
____
 (7)  
ST921E - Wing Landing Gear Bearing Housing Shear Pin Puller

 (8)  
ST2580-251 - Torque Wrench Adapter

 B.
Standard Tools and Equipment

 (1)  
Hoist - Standard floor mounted with boom adjustable between ground and 19 feet. Load at highest point - 205 pounds: maximum - 350 pounds

 (2)  
Thread Protector and Dust Cap, 3.000-12UN, Female

 (3)  
Tube Nut Plug, 3.000-12UN, Male

 C.
Consumable Materials

 (1)  
D00633 Grease - BMS 3-33 (preferred)

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400
MAINTENANCE MANUAL

 (2)  
D00013 Grease - MIL-G-23827 (optional)

 (3)  
A00247 Sealant - BMS 5-95

 (4)  
C00308 Corrosion Preventive Compound - MIL-C-11796

 (5)  
G01395 Compound - Corrosion Inhibiting, BMS 3-27, Mastinox 6856K

 D.
References

 (1)  
AMM 07-11-01/201, Jacking Airplane

 (2)  
AMM 32-00-30/201, Landing Gear Door Locks

 (3)  
AMM 32-11-19/601, Wing Gear Trunnion Fork

 (4)  
AMM 57-43-01/401, Wing Gear Forward Trunnion Bearing Housing

 (5)  
AIPC 32-11-03 Fig. 1

 (6)  
AIPC 32-11-19 Fig. 1

 E.
Access

 (1)  
Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH

 F.
Prepare for the Installation.

 S 434-022
 (1)  
Prepare the trunnion fork bolt (14) for the installation.

 (a)  
Examine the O-rings (16) on the lubrication insert (15) for worn areas or damage.

 NOTE: Replace the O-rings if it is necessary.
____
 (b)  
Apply grease on the O-rings (16), the outer surface of the lubrication insert (15), and the inner surface of the trunnion fork bolts (14).

 (c)  
Move the O-rings (16) on the lubrication insert (15).

 (d)  
Lubricate again if it is necessary.

 (e)  
Put the lubrication insert (15) with the O-rings (16) into the trunnion fork bolt (14) to assemble the fork bolt.

 S 434-023
 (2)  
Prepare the drag brace bolt (11) for installation.

 (a)  
Examine the O-rings (13) on the lubrication insert (12) for worn areas or damaged areas.

 NOTE: Replace the O-rings if it is necessary.
____
 (b)  
Apply grease on the O-rings (13), the outer surface of the lubrication insert (12), and the inner surface of the drag brace bolt (11).

 (c)  
Move the O-rings (13) on the lubrication insert (12).

 (d)  
Lubricate if it is necessary.

 (e)  
Put the lubrication insert (12) with the O-rings (13) into the drag brace bolt (11).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400 MAINTENANCE MANUAL
 G. Procedure
 S 434-024
 (1) Install the bearing housing for the wing gear (AMM 57-43-01/401).
 NOTE: It is necessary to have an oversized retaining nut (6) for
____ the repaired housing (1). The oversized nuts have the identification of a groove (0.06 inch radius) on the face of the nut between two of the 6 slots (Fig. 404).
 S 224-025
 (2)  
Examine the attach points for wear limits (AMM 32-11-19/601).

 S 434-026

 (3)  
Put the bearing retaining nut (6) on the trunnion fork (7) at the bearing end.

 S 434-027

 (4)
Assemble the bearing outer race (5) on the trunnion fork (7) .

 NOTE: Hold the halves together with lockwire or strong tape
____ around the circumference of the aft end of the bearing.
　
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