(o)
Do this task: "Use of Input Monitoring" (AMM 45-10-00/201), and verify the display status of bit 13 is 1 for the following signal: 1) E/057/271/00
(p)
Change the pressure in the nose landing gear manifold assembly until it is between 500 psi (3450 kPa) and 600 psi (4140 kPa).
(q)
Do this task: "Use of Input Monitoring" (AMM 45-10-00/201), and verify the display status of bit 13 is 0 for the following signal: 1) E/057/271/00
F.
Put the Airplane Back to Its Usual Condition
S 025-026
(1)
Remove the rig pin, G12001-50, from the rig pin hole and remove the DO NOT OPEN tag.
S 865-036
(2)
Move the shutoff valve to the fully open position.
S 615-024
(3)
Service the shock strut, if it is necessary (AMM 12-15-05/301).
S 025-025
(4)
Remove the strut inflation tool or the manifold assembly and the source of air or nitrogen.
(5)
Install the cap on the air valve.
S 025-028
(6)
Make sure you remove the landing gear ground locks.
(AMM 09-11-00/201).
S 425-027
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S 025-029
(7)
Do this task: "Removal of the Door Locks on the Nose Landing Gear" (AMM 32-00-30/201).
S 765-023
(8)
Make sure that you open these circuit breakers on the P6 panel:
(a)
6F20, PILOTS MISC IND 2
(b)
6F26, F/O IND LTS
S 765-030
(9)
Make sure that you open these circuit breakers on the P7, Overhead Circuit Breaker Panel:
(a)
7A01, MAWEA PWR A
(b)
7B01, MAWEA PWR B
(c)
7F08, UPR EICAS
(d)
7F09, EIU L
(e)
7F10, EIU C
(f)
7F11, EFIS CONT L
(g)
7F14, LWR EICAS
(h)
7F15, EIU R
(i)
7F16, EFIS CONT R
S 765-031
(10)
Make sure that you open this circuit breaker on the P41 panel:
(a)
41L08, CMC L
S 765-032
(11)
Make sure that you open this circuit breaker on the P41 panel:
(a)
41L39, CMC R
S 765-033
(12)
Make sure that you open this circuit breaker on the P18 panel:
(a)
18D16, CMC SW
TASK 27-48-03-405-005
3. Nose Gear Pressure Switch Pressure Proof Test (Fig. 501)
_________________________________________________________
A. Special Tools and Equipment
(1)
F70200-14 - Strut Inflation Tool OR
(2)
3MIT65B00163-1 - Landing Gear Strut Service Manifold Assembly
B.
Standard Tools and Equipment
(1)
Clean, dry air or nitrogen bottle capable of pressurizing shock strut to 1800 psi
C.
References
(1)
AMM 12-15-05/301, Nose Landing Gear Shock Strut
(2)
AMM 32-00-30/201, Landing Gear Door Locks
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747-400
MAINTENANCE MANUAL
(3)
IPC 32-21-01 Fig. 4
(4)
SSM 31-51-13
(5)
WDM 31-51-11
D.
Access
(1)
Location Zone
114 Nose Gear Wheel Well, RH
E.
Procedure
S 425-037
(1) Make sure you install the landing gear ground locks
(AMM 09-11-00/201).
S 425-038
WARNING: USE THE PROCEDURE IN AMM 32-00-30/201 TO INSTALL THE DOOR
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本文鏈接地址：747-400 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 4(32)
