(b)
Tighten the bearing adjusting ring (11) 24 to 120 pound-inches.
(c)
Make sure the slots of the bearing adjusting ring (11) align with the keyways in the outer sleeve (12) for the trunnion.
(d)
Install the two keys (13).
(e)
Install the lockwasher (4).
(f)
Install the locknut (5).
(g)
Tighten the locknut with your hand.
(h)
If it is necessary, loosen the locknut to align the lockplates for the retaining nut.
(i)
Install the washers (7) and the bolts (6) through the
lockplate (8) and through the locknut (5).
(j)
Install a lockwire.
S 644-078
(18)
Apply a large bead of grease around the joint between the inner race (spherical bearing) (1) and the outer sleeve (12) (Fig. 403).
S 644-079
(19)
Lubricate the grease fitting on the bottom side of the trunnion sleeve (12) with grease (Fig. 402).
NOTE: After an overhaul, there is BMS 3-27 between the trunnion
____ journal and the trunnion sleeve. The grease channel is full of grease when no BMS 3-27 comes through the grease vent. The grease vent is on the bottom side of the trunnion sleeve.
S 094-037
(20)
Remove the oleo jack.
(21)
Remove the oleo locks.
S 094-035
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A
747-400 MAINTENANCE MANUAL
S 434-038
(22)
Install the side strut assembly (AMM 32-11-27/401).
S 434-039
(23)
Connect the inboard end of the retract actuator to the shock strut (AMM 32-32-01/401).
S 094-040
(24)
Remove the mechanical lock.
S 434-041
(25)
Install the tilt actuator (AMM 32-11-20/401).
S 434-042
(26)
Connect the inboard ends of the walking beams to the shock strut (AMM 32-11-15/401).
S 434-043
(27)
Connect the hydraulic lines for the brakes and for the tilt actuator (AMM 32-41-00/501).
S 434-059
(28)
Connect the hydraulic line on the inboard side of the trunnion.
S 434-044
(29)
Install the hose bracket at the top of the shock strut.
S 864-045
(30)
Remove the electrical power (AMM 24-22-00/201).
(31)
Attach the connector bracket to the structure above the trunnion.
S 434-064
(32)
Attach the cable bracket to hold the conduit to the airplane structure.
S 434-065
(33)
Connect the electrical conduit to the junction box on the shock strut.
S 434-046
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747-400 MAINTENANCE MANUAL
S 424-085
(34) Connect the electrical connectors in the table that follows.
~.................................................................. | Left Wing Gear | Right Wing Gear | .................................................................... | D40781 | D40791 | | D40782 | D40792 | | D40783 | D40793 | | D40784 | D40794 | 2................................….................................1
S 864-048
(35)
Supply electrical power (AMM 24-22-00/201).
S 864-049
(36)
Supply the pressure from the hydraulic systems 1 and 4
(AMM 29-11-00/201).
S 794-050
(37)
Do a check of the hydraulic connections for leakage.
S 434-063
(38)
Install the shock strut doors (AMM 32-12-06/401, AMM 32-12-07/401).
S 094-076
(39)
Remove the tape and the inclinometer from the wing landing gear if they are not removed.
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