S 864-034
(5)
Close the circuit breakers as follows:
(a)
P7 Overhead Circuit Breaker Panel
1) 7F22 LANDING GEAR DSP & CONT PRI
2) 7F23 LANDING GEAR DSP & CONT ALT
3) 7F25 PSEU SECT 1
4) 7F26 PSEU SECT 2
5) 7G24 BODY GR STRG ARM DC
6) 7G25 NOSE GR STRG PRI
7) 7G26 NOSE GR STRG ALT
(b)
P180 DC Power Distribution Panel
1) 180J07 ANTI-SKID 1-3
2) 180F07 ANTI-SKID 2-4
3) 180J22 ANTI-SKID 5-7
4) 180F22 ANTI-SKID 6-8
5) 180F23 ANTI-SKID 9-11
6) 180J23 ANTI-SKID 10-12
7) 180F08 ANTI-SKID 13-15
8) 180J08 ANTI-SKID 14-16
9) 180F10 BRK CONT IND/TEST 2
10) 180F25 BRK CONT IND/TEST 1
S 824-035
(6)
Adjust the steering arming switch.
(a)
Push the OTHER FUNCTIONS button on page 2 of the CDU main menu.
(b)
Push the button next to INPUT MONITORING.
(c)
Write in C/026/003/10 on the CDU scratchpad.
(d)
Push key 1L of the line select.
(e)
Install rig pin NS-3 through the switch bracket and the quadrant.
(f)
Push the channel outboard until it clears the head of the switch adjust bolt.
(g)
Turn the switch adjust bolt clockwise until BIT 16 of label 003 changes from 1 (closed) to 0 (open).
(h)
Turn the switch adjust bolt two more turns.
(i)
Remove the rig pin.
S 414-020
(7) Install the interconnect actuator of the No. 2 rudder pedal (AMM 32-51-07/401).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-53-15
ALL ú ú 01 Page 406 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
G. Arming Switch Test
S 864-022
(1)
Move the tiller of the captain for a right turn (Clockwise) until the nose gear angle (shown on the decal on the nose gear steering collar) reads 17 degrees.
(a)
Make sure that Bit 16 of label 003 is 0 (open).
S 744-023
(2)
Slowly move the tiller until the steering collar on the nose landing gear reads 20 degrees.
(a)
Make sure that BIT 16 of label 003 changes from 0 (open) to 1 (closed).
S 864-024
(3)
Move the tiller of the captain for a left turn (Counterclockwise) until the nose gear angle (shown on the decal on the nose gear steering collar) reads 17 degrees.
(a)
Make sure that Bit 16 of label 003 is 0 (open).
S 744-025
(4)
Slowly move the tiller until the steering collar of the nose landing gear reads 20 degrees.
(a)
Make sure that BIT 16 of label 003 changes from 0 (open) to 1 (closed).
S 864-026
(5)
Put the tiller to the neutral position.
H.
Put the Airplane in its Usual Condition
S 864-027
(1)
Remove the hydraulic power from system No. 1 (AMM 29-11-00/201).
S 864-033
(2)
Close the 7G23 BODY GR STRG ARM AC circuit breaker on the P7 Overhead Circuit Breaker Panel.
S 414-028
(3)
Install the apex bolt of the torsion link of the nose landing gear (Fig. 402).
(a)
Remove the holding tool from the torsion link.
(b)
Put the end of the upper torsion link in the end of the fork of the lower torsion link.
(c)
Lubricate the apex bolt shank and threads with grease.
(d)
Install the apex bolt and the screw in the threaded bushing.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-53-15
ALL ú ú 01 Page 407 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 9(16)
