(2)
8ME65B01202-3 Wing Gear Oleo Lock Assembly
(3)
9ME65B00161-1 Wing Gear Oleo Lock Assembly (optional)
(4)
MIT65B11261 Torque Holder
(5)
ST2580-337 Torque Wrench Adapter
B. Standard Tools and Equipment
(1) Hoist - Chain, with dynamometer, or other suitable tool for application of up or down 10,000-pound (maximum) load on support beam.
C. Consumable Materials
(1)
D00013 Grease - MIL-C-23827
(2)
A00247 Sealant - Chromate, BMS 5-95, Class B
D. References
(1)
06-09-08/201, Wing Access Doors and Panels
(2)
7-11-01/201, Jacking Airplane
(3)
12-15-03/301, Wing Landing Gear Shock Strut
(4)
12-21-07/301, Landing Gear Support Beam Gate Fitting
(5)
32-00-30/201, Landing Gear Door Locks
(6)
32-32-00/501, Wing Gear and Door Extension ad Retraction
(7)
IPC 57-41-07 Fig. 1
E. Access
(1) Location Zone 572 Landing Gear Support Beam and Rear Spar to Trailing Edge, Left
672 Landing Gear Support Beam and Rear Spar to Trailing Edge, Right
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MAINTENANCE MANUAL
(2) Access Panel
On the left wing:
571AT Access Panel - Trailing Edge Up
571BT Access Panel - Trailing Edge Up
571CT Access Panel - Trailing Edge Up
571DT Access Panel - Trailing Edge Up
571AB Access Panel - Trailing Edge Lower
572AB Access Panel - Trailing Edge Lower
572BB Access Panel - Trailing Edge Lower
572CB Access Panel - Trailing Edge Lower
572DB Access Panel - Trailing Edge Lower
572EB Access Panel - Trailing Edge Lower
On the right wing: The same number panels as the left wing, but in the 600 number series
F. Procedure
S 424-046
(1) Install the gate fitting.
(a)
Put the gate fitting (15) in the support fitting (18) with a minimum of one washer on top and one washer on bottom.
(b)
Make sure the clearance is (total both ends) 0.00 to 0.02 inches
NOTE: Install a maximum of three washers to get the clearance.
____ The maximum in-service clearance is 0.04 inch.
(c)
Lubricate all the parts with the grease.
(d)
Install the top and the lower pins (17) and the bolt and nut (19).
(e)
Put the end fitting (4) in the gate fitting (15).
(f)
Put the end fitting (4) on the support beam.
(g)
Attach the end fitting (4), shims (5), and the bearing nut bracket (2) to the support beam with the bolts and nuts.
NOTE: Tighten the nuts hand-tight.
____
(h) Apply a thin layer of grease to the mating surfaces of the threads before the installation.
NOTE: You cannot interchange the shims and you must install
____ them in the same location they were removed from.
(i)
Install the spherical bearing (24) and the bearing nut (3) on the support beam end fitting (4) hand-tight.
(j)
Install the bolt (16) through the bearing nut (3) and the bearing nut bracket (2).
(k)
Install the washer (20) and the nut (21).
(l)
Use the bearing installation tool to tighten the outer race of the spherical bearing (24), 1000 to 1500 pounds-inches.
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747-400 MAINTENANCE MANUAL
(m) Tighten the nuts (9), washer (7), and the bolts (8) that attach the end fitting (4):
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