(3)
Connect the electrical connector P33 to bleed load control valve.
(4)
Do the trouble shooting for the APU bleed load control valve (Ref. TSM 49).
(5)
Remove the entry from the logbook.
5. Close-up
________ Subtask 49-51-00-410-055
A. Close Access
(1)
Set the LIGHT control switch to the OFF position.
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
(3)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s). Subtask 49-51-00-865-059
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-51-00-860-053
C. Aircraft Maintenance Configuration
(1)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002)
(2)
Pressurize the reservoirs of the hydraulic systems.
(Ref. TASK 29-14-00-614-002).
(3)
Remove the warning notice(s).
BLEED AND SURGE AIR - DEACTIVATION/REACTIVATION
_______________________________________________
TASK 49-51-00-040-004
Deactivation 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 blanking caps
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 24-42-00-861-001 Energize the Ground Service Network from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-51-00-991-003 Fig. 401
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-00Page 401 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-51-00-860-057
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 49-51-00-865-056
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 49-51-00-010-054
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 11LJ to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-00Page 402 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________ (Ref. Fig. 401/TASK 49-51-00-991-003) Subtask 49-51-00-040-051
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(131)
