(b)
P415 Power Distribution Center - Right 1) 415G21 WBS CHB ALT
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747-400
MAINTENANCE MANUAL
MAIN GEAR LOAD SENSORS ARE MOUNTED INSIDE A PROTECTIVE COVER ON WHEEL TRUCK LUGS
SEEA B
LOAD SENSOR PROTECTIVE COVERS ELECTRICAL
PROTECTIVE CONNECTOR
SCREW COVER
ELECTRICAL (4 LOCATIONS) PROTECTIVE
CONNECTOR COVER
SCREW
LOAD SENSOR (4 LOCATIONS)
SEE C LOAD
SENSOR
SEE C
WHEEL
WHEEL
TRUCK
TRUCK
LUGS
LUGS
FORWARD PROTECTIVE COVER
(FACEPLATE REMOVED) AFT PROTECTIVE COVER (FACEPLATE REMOVED)
A
B
TOP VIEW
SIDE VIEW
LOAD SENSOR
C
Main Gear Load Sensors
Figure 401
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747-400
MAINTENANCE MANUAL
Load Sensor Installation
Figure 402
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747-400 MAINTENANCE MANUAL
S 494-150
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.
(2)
Make sure the ground locks are installed on the nose and main landing gear (AMM 09-11-00/201).
S 014-143
(3)
Remove the faceplate from the protective cover (View A or B, Fig. 401).
S 974-105
(4)
Make a record of the identification number of the sensor that you will remove (Refer to Table 1).
~............................................................... | | LEFT WING | LEFT BODY | RIGHT BODY | RIGHT WING | | ......................................................... | | OB | IB | OB | IB | IB | OB | IB | OB | ................................................................. | FWD | 1 | 2 | 5 | 6 | 9 | 10 | 13 | 14 | ................................................................. | AFT | 3 | 4 | 7 | 8 | 11 | 12 | 15 | 16 | 2.......…......…......…......…......…......…......…......…......1
Table 1 - Sensor Identification Numbers
S 024-106
(5) Remove the sensor:
(a) Disconnect the cable from the electrical connector
(8, Fig. 402) of the sensor.
CAUTION: DO NOT STRETCH THE BELLOWS OF THE SENSOR (2, FIG. 402).
_______ DAMAGE TO THE SENSOR CAN OCCUR IF YOU STRETCH THE BELLOWS.
(b) Install the alignment clamp on the sensor to hold the sensor bellows rigid.
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747-400 MAINTENANCE MANUAL
(c)
Remove the locknuts (3).
(d)
Remove the hex nuts (4) and the washers (5) from the mounting bolts (10).
(e)
Remove the alignment clamp from the sensor.
(f)
Remove the mounting bolts (10) and the washers (9).
(g)
Remove the sensor (7).
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本文链接地址：747-400 AMM 飞机维护手册 指示/记录系统 1(122)
