Subtask 49-31-42-865-059
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
4. Procedure
_________ Subtask 49-31-42-420-051
A. Install the secondary fuel nozzle and manifold assembly (8021KM)
(Ref. TASK 49-31-41-400-001).
5. Close-up
________ Subtask 49-31-42-410-052
A. Close Access
(1)
Set the LIGHT control switch 11LJ to the off position.
(2)
Close the APU access doors 315AL, 316AR.
(3)
Remove the access platform(s).
(4)
Remove the warning notice(s).
Subtask 49-31-42-865-060
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD
Subtask 49-31-42-860-053
C. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
MANIFOLD - PRIMARY AND SECONDARY FUEL ((131-9(A))) - MAINTENANCE PRACTICES
__________________________________________________________________________ TASK 49-31-42-000-004 Removal of the Primary and Secondary Fuel-Manifold (8020KM) and (8021KM)
(131-9(A))
WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : MAKE SURE THAT YOU HAVE THE CORRECT FIRE FIGHTING EQUIPMENT
_______ AVAILABLE.
CAUTION : MAKE SURE THAT THE FUEL-FEED SYSTEM DOES NOT HAVE ANY LEAKS. LEAKS IN
_______ THE FUEL-FEED SYSTEM CAN CAUSE A FIRE.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 52-41-00-010-001 Open the APU Doors for Access 49-31-42-991-002 Fig. 201
R EFF : 001-049, 101-105, 107-107, 151-199, 49-31-42Page 201 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-31-42-860-057
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 49-31-42-865-061
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
Subtask 49-31-42-010-055
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 11LJ to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-31-42Page 202 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________
(Ref. Fig. 201/TASK 49-31-42-991-002) Subtask 49-31-42-020-057
A. Remove the Primary and Secondary fuel manifold assembly.
(1)
Disconnect the primary (1) and secondary (2) manifold from the fuel flow divider (3) and the fuel nozzles (4).
(2)
Remove the primary (1) and secondary (2) manifold from the APU.
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