S 024-020
(2)
Remove the main landing gear load sensors before you remove the protective covers (AMM 31-41-05/401).
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A
747-400
MAINTENANCE MANUAL
FORWARD PROTECTIVE COVER
SEE A
FWD
MAIN LANDING GEAR
SCREWNUT, WASHER
PROTECTIVE (4 LOCATIONS) COVER
(4 LOCATIONS)
PLUG
CLAMP
WIRE
LOAD
BUNDLE
SENSOR 13.5 |0.3 INCH
(34.3 |0.8 cm)
WHEEL TRUCK LUGS
CLIP, BLOCKS
CLAMP (4 LOCATIONS)
CLAMP, SCREW
90` NUT
ELBOW
FORWARD PROTECTIVE COVER (FACEPLATE REMOVED)
A
Forward Load Sensor Protective Cover
Figure 401
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A
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MAINTENANCE MANUAL
AFT PROTECTIVE COVER
NUTS
SEE B
CLAMPS
FWD AFT PROTECTIVE COVER AFT
PROTECTIVE
SEE A
COVER FWD
SEE B
MAIN LANDING GEAR AFT PROTECTIVE COVER A
PROTECTIVE COVER
NUT, BOLT,
WASHER, SPACER
NUT, WASHERBOLTS (3 LOCATIONS)(4 LOCATIONS) CLIP,LOAD BLOCK
SENSOR
PLUG
WIRE BUNDLE
9.5 |0.3 INCH
(24.1 |0.8 cm)
WHEEL
TRUCK
LUGS
CLAMP,
SCREW
45`
ELBOW
NUT
AFT PROTECTIVE COVER (FACEPLATE REMOVED)
B
Aft Load Sensor Protective Cover
Figure 402
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747-400 MAINTENANCE MANUAL
S 024-021
(3)
Remove the screws and clamps from the wire bundle for each load sensor.
S 024-022
(4)
Remove the plug from each wire bundle.
S 024-002
(5)
Remove the protective covers:
(a)
Remove the four nuts and washers that attach the protective cover to the clamps.
(b)
Remove the nut from the 90 degree elbow on the inner part of the protective cover.
(c)
Remove the protective cover.
S 024-019
(6) Remove the clamps:
(a)
Remove the nuts from the clamps that go around the wheel truck.
(b)
Remove the clamps.
TASK 31-41-08-004-010
3. Aft Load Sensor Protective Cover Removal (Fig. 402)
________________________________________
A. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 31-41-05/401, Main Landing Gear Load Sensor
B. Access
(1) Location Zone
735/736 Wing Landing Gear
755/756 Body Landing Gear
C. Procedure
S 494-014
WARNING: MAKE SURE THE GROUND LOCKS ARE INSTALLED ON ALL THE LANDING
_______ GEAR. WITHOUT THE GROUND LOCKS, THE LANDING GEAR CAN RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Make sure the ground locks are installed on the nose and main landing gear (AMM 09-11-00/201).
S 024-023
(2)
Remove the main landing gear load sensors before you remove the protective covers (AMM 31-41-05/401).
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