(c)
Remove the lockbolt (18), spindle nut (17), splined collar (21), and spindle (4).
TASK 32-53-11-402-007
3. Body Gear Steering Actuators Connection (Fig. 201)_______________________________________
A. General
(1)
This task connects the body gear steering actuators (referred to as the steering actuators) to the torsion link.
B.
Special Tools and Equipment
(1)
8ME65B01202-1 - Holding Tool, Torsion Link
(2)
G32015 - Support Stand, Body Gear Steering Actuator
C.
Consumable Materials
(1)
D00633 Grease - BMS 3-33 (preferred)
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747-400
MAINTENANCE MANUAL
(2)
D00013 Grease - MIL-G-23827 (optional)
(3)
A00226 Putty - Tamper Proof, BMS 8-45
D.
References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 29-11-00/201, Main Hydraulic Supply System
(3)
AMM 32-00-30/201, Landing Gear Door Locks
E.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
F.
Steering Actuator Connection
S 432-008
(1)
Install the lube insert (13) in the apex pin (15).
(a)
Make sure the O-rings (12) on the lube insert (13) are not worn or damaged.
(b)
Apply a layer of grease on the O-rings (12), the lube insert (13), and the inner surface of the apex pin (15).
(c)
Install the lube insert (13) with O-rings (12) in the apex pin (15).
S 422-009
(2)
Connect the steering actuators to the torsion link.
(a)
Install the spindle (4) in the torsion link.
(b)
Install the splined collar (21) and the spindle nut (17).
(c)
Tighten the spindle nut to 180 to 200 pounds-feet, then loosen the nut and tighten it again by hand to nearest castellation.
(d)
Install the lockbolt (18), washer (19), and nut (20).
(e)
Apply tamper proof putty to the nut (20).
(f)
Put the rod end of the right steering actuator in its position on the spindle (4).
(g)
Put the rod end of the left steering actuator in its position on the spindle (4).
(h)
Install the nylon alignment washers (16) between the rod ends of the steering actuators and the spindle (4).
(i)
Install the apex pin (15), with the lube insert (13) installed, through the rod ends of the actuators and the spindle (4).
(j)
Install the splined washer (22) and the nut (24).
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747-400 MAINTENANCE MANUAL
(k)
Tighten the nut (24) to 80 to 100 pounds-feet, then loosen the nut and tighten it again by hand to the nearest castellation.
(l)
Install the lockbolt (23), washer (25), and nut (26).
(m)
Apply tamper proof putty to the nut (26).
S 432-010
(3)
Hold the washers (1, 3, 5, and 6), the hydraulic clamp (11), the trapeze (9), and the shaft (10) in their positions, and install the nut (2).
S 432-011
(4)
Install the nut (7) and cotter pin (8).
G.
Put the Airplane Back to Its Usual Condition
S 092-008
(1)
Remove the support stand for the steering actuators.
S 092-011
(2)
Remove the holding tool for the torsion link.
S 092-012
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
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本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 9(2)
