(e)
Make sure the CDU display of label 271/00 is shown as follows:
(f)
Condition - Gear Down and Unlocked
1) NOSE GEAR DOWN/LOCK on Bit 18 - Bit State 0
2) NOSE GEAR UP/LOCK on Bit 19 - Bit State 0
(g)
Put a rectangular actuator on the sensor, S396 (nose gear primary up sensor).
(h)
Make sure the CDU display of label 271/00 is shown as follows:
(i)
Condition - Gear Up and Unlocked
1) NOSE GEAR DOWN/LOCK on Bit 18 - Bit State 0
2) NOSE GEAR UP/LOCK on Bit 19 - Bit State 0
(j)
Remove the deactuator from the sensor, S397 (nose gear primary lock sensor).
(k)
Make sure the CDU display of label 271/00 is shown as follows:
(l)
Condition - Gear Up and Locked
1) NOSE GEAR DOWN/LOCK on Bit 18 - Bit State 0
2) NOSE GEAR UP/LOCK on Bit 19 - Bit State 1
(m)
Remove the actuator from the sensor, S396 (nose gear primary up sensor).
S 722-092
(7)
Do a test of the nose gear alternate position indication:
(a)
Push the NEXT PAGE key as necessary to show the logic
conditions of label 273/00.
(b)
Make sure the CDU display of label 273/00 is shown as follows:
(c)
Condition - Gear Down and Locked
1) NOSE GEAR DOWN/LOCK on Bit 18 - Bit State 1
2) NOSE GEAR UP/LOCK on Bit 19 - Bit State 0
(d)
Put a rectangular deactuator on the sensor, S424 (nose gear alternate lock sensor).
(e)
Make sure the CDU display of label 273/00 is shown as follows:
(f)
Condition - Gear Down and Unlocked
1) NOSE GEAR DOWN/LOCK on Bit 18 - Bit State 0
2) NOSE GEAR UP/LOCK on Bit 19 - Bit State 0
(g)
Put a rectangular actuator on the sensor, S411 (nose gear alternate up sensor).
(h)
Make sure the CDU display of label 273/00 is shown as follows:
(i)
Condition - Gear Up and Unlocked
1) NOSE GEAR DOWN/LOCK on Bit 18 - Bit State 0
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-61-03
ALL ú ú 01 Page 212 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
2) NOSE GEAR UP/LOCK on Bit 19 - Bit State 0
(j)
Remove the deactuator from the sensor, S424 (nose gear alternate lock sensor).
(k)
Make sure the CDU display of label 273/00 is shown as follows:
(l)
Condition - Gear Up and Locked 1) NOSE GEAR DOWN/LOCK on Bit 18 - Bit State 0 2) NOSE GEAR UP/LOCK on Bit 19 - Bit State 1
(m)
Remove the actuator from the sensor, S411 (nose gear alternate up sensor).
F.
Put the Airplane in Its Usual Condition
S 092-062
WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Remove the door locks for the landing gear and close the doors (AMM 32-00-30/201).
S 862-063
(2)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 32-61-03-802-029
5. Nose Gear Lock Sensor Adjustment (Fig. 201)________________________________
A. Consumable Materials
(1)
A00247 Sealant - Chromate, BMS 5-95.
B.
References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 32-00-30/201, Landing Gear Door Locks
(3)
AMM 32-09-02/201, Air/Ground Relay System
(4)
AMM 32-61-00/501, Landing Gear Position Indication System
(5)
IPC 32-61-08 Fig. 12
C.
Access
(1)
Location Zone
715 Nose Landing Gear
D.
Prepare for the Adjustment
S 492-047
WARNING: MAKE SURE THAT THE GROUND LOCKS ARE INSTALLED IN ALL OF THE
_______ LANDING GEAR. WITHOUT THE GROUND LOCKS, THE LANDING GEAR CAN RETRACT AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Make sure the ground locks are installed (AMM 09-11-00/201).
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 9(78)
