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时间:2011-04-15 08:39来源:蓝天飞行翻译 作者:航空
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 (g)  
Make sure the total dimension between the flanged bushings of the gate fitting (15) and the spherical bearing (24) is 0.020 (+0.005/-0.013) inch.


 NOTE: Tighten or loosen the bearing retainer (10) to get the
____
 necessary dimension.

 (h)  
Fully fill the empty space of the bearing pin (26) with the grease and install the grease retainer plug (41) fully hand-tight.

 (i)  
Loosen the plug (41) if it is necessary (up to 60 degrees) to permit the installation of the lock clip or retainer cap.

 (j)  
Make sure the slots of these items align correctly:


 NOTE: After you align the parts, they will be in the last
____ aligned position. Do not turn the bearing parts during the remaining steps.
 1) The bearing retainer (10)
 2) The pin slots of the bearing pin (26)
 3) The pin slots of the grease retainer plug (41).

 S 434-057
 (5)  Install the thrust plate (27) for the bearing retainer.
 (a)  
Put the thrust plate in its position.

 (b)  
Turn the plate to align the slot in the plate with the 0.25-inch hole in the gate fitting (15).

 (c)  
Put the serrated washer (40) in its position to align the serrations on the thrust plate (27).

 (d)  
Temporarily install the laminated filler (38), the spacer (37), and the bolt (39).


 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 57-15-01
 ALL  ú ú 01 Page 413 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (e)  Remove the 0.003-inch laminations from the laminated filler (38) if it is necessary, to get a solid-stack fit.
 NOTE: A maximum clearance of 0.005 inch is permitted after the
____ installation of the shims and before the fastener installation.
 (f)  
Apply the sealant in the hole through the gate fitting at the lower attachment of the retainer thrust plate (27) immediately before the installation.

 (g)  
Apply the sealant on the shank of the bolt (39) immediately before the installation.

 (h)  
Install the spacer (36), the washer (34), and the nut (35).

 (i)  
Tighten the nut (35) between 30 to 40 pound-inches.

 (j)  
Temporarily install the laminated shim (29), the filler (30), and the thrust plate clamp (33).

 (k)  
Remove the 0.003-inch laminations from the laminated shim (29) if it is necessary, to get a solid-stack fit.


 NOTE: A maximum clearance of 0.005 inch is permitted after the
____ installation of the shims and before the fastener installation.
 (l)  
Install the washer (31) and the nut (32).

 (m)  
Tighten the nut (32) between 30 to 40 pound-inches.


 S 434-058
 (6)  On Airplanes with lock clip, install the lock clip.
 (a)  
Install the lockpin (43).

 (b)  
Install the lock clip (42) with the attach bolt to trap the lockpin in the pin slot with the lock clip.

 (c)  
Install the two other attach bolts in the aligned holes with the two countersink washers.


 S 434-059
 (7)  On airplanes with retainer cap, install the retainer cap.
 (a)  Install the retainer cap (44) with the three bolts and countersink washers.
 S 434-060
 (8)  Install the lockwire on the attach bolts.
 I. Put the Airplane to Its Usual Condition.
 S 094-061
 (1)  
Slowly release the load on the support beam until there is no load on the beam.

 (2)  
Remove the lock assembly from the wing gear oleo if it is installed.


 S 094-062
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 57-15-01
 ALL  ú ú 01 Page 414 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (3)  S 614-063Service the shock strut if you removed the pressure from it (Ref 12-15-03/301).
 (4)  S 644-064Lubricate the gate fitting (Ref 12-21-07/301).
 
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