(2)
Disconnect the APU load control-valve electrical plug (P12) and attach it to the aircraft structure with adhesive tape.
(3)
Put blanking caps on the disconnected electrical connectors.
(4)
Make sure that you put a warning notice in the cockpit to tell persons that the APU load control-valve is deactivated.
(5)
Make the following entry in the aircraft technical log: The APU bleed load control-valve is deactivated. The position indicator on the valve body shows the CLOSED position. Ignore the ECAM display which shows OPEN position.
5. Close-up
________ Subtask 49-51-00-410-056
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control SW 11LJ to the OFF position.
(3)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s). Subtask 49-51-00-865-057
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD, 1HV.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-00Page 403 201-210, Config-2 Aug 01/05
CES
Load Control-Valve Position-Indicator
Figure 401/TASK 49-51-00-991-003
CES Subtask 49-51-00-860-058
C. Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).
(2)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(3)
Remove the warning notice(s).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-00Page 405 201-210, Config-2 Aug 01/05
CES TASK 49-51-00-440-004
Reactivation of the APU Load Control-Valve (131-9(A))
WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
1. Reason for the Job
__________________
Refer to the MMEL TASK: 36-12-02
APU Bleed Air Supply and Cross Bleed
System - APU BLEED Valve
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2.5 m (8 ft. 2 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access TS 49008181085500 TS 49008181086100 49-51-00-991-003 Fig. 401
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-00Page 406 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-51-00-860-059
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3)
Put a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-51-00-865-058
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HV.
Subtask 49-51-00-010-055
C. Get Access
(1)
Put the access platform in position below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT control SW to the ON position.
4. Procedure
_________ (Ref. Fig. 401/TASK 49-51-00-991-003) Subtask 49-51-00-440-051
A. Reactivation of the APU Load Control-Valve
(1)
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM 機載輔助動力 AIRBORNE AUXILIARY POWER4(132)
