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
32-11-19
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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
32-11-19
ALL ú ú 01 Page 406 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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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