castellation to align the lockbolt hole when you install.
(h)
Install the lockbolt (1) and the nut.
1) Tighten the nut.
(i)
Apply a tamper-proof putty to the nut until the movement of the nut will cause the seal to break.
(j)
Install the nut (9) above the lower pin assembly.
(k)
Tighten the nut 90 - 100 pound-feet (lube torque).
(l)
If it is necessary, loosen the nut to the nearest castellation to align the lockbolt hole through the pin assembly.
(m)
Install the lockbolt (8) and the nut (9).
1) Tighten the nut 12 - 15 pound-inches.
(n)
Install the clamp (4) to attach the hydraulic lines to the left side brace (3).
(o)
Attach the stirrup (13) to the support bracket (14) with the bolts and the nut.
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747-400 MAINTENANCE MANUAL
(2) S 834-012Install the steering cables (NWS2A, NWS2B). (a) Adjust the steering cables until the rigging pins can move freely in the holes (AMM 32-51-00/501).
(3) S 844-019Put the Airplane to Its Usual Condition
S 094-017
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.
(4)
Do this task: "Removal of the Door Locks from the Nose Landing Gear" (AMM 32-00-30/201).
S 584-018
(5)
Lower the nose of the airplane with the jacks (AMM 07-11-02/201).
(a)
Remove the jacks from the airplane.
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747-400 MAINTENANCE MANUAL
NOSE LANDING GEAR SIDE BRACE ASSEMBLY - INSPECTION/CHECK
________________________________________________________
1. General
_______
A. This procedure contains a task to examine the attach points of the side struts on the nose landing gear.
B. To do this procedure, you must remove the side struts.
TASK 32-21-06-206-001
2. Nose Landing Gear Side Brace Assembly Inspection (Fig./601)
________________________________________________
A. Standard Tools and Equipment
(1)
Micrometers-inside and outside measuring
B.
References
(1)
32-21-06/401, Nose Landing Gear Side Braces
(2)
IPC 32-21-06 Fig. 1
C.
Access
(1)
Location Zone
715 Nose Landing Gear
D.
Procedure
S 026-002
(1)
Do this task: "Removal of the Side Brace Assembly on the Nose Landing Gear" (Ref 32-21-06/401).
S 226-003
(2)
Examine the components of the side brace assembly on the nose landing for worn parts.
(a)
Measure the parts at the locations shown in figure 601.
(b)
Compare the measured dimensions to the wear limits in figure
601.
(c)
If the part is not in tolerance, replace the part if you cannot repair it.
S 426-004
(3) Do this task: "Installation of the Side Brace Assembly on the Nose Landing Gear" (Ref 32-21-06/401).
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