(3)
Remove the access platform(s).
(4)
Remove the warning notice(s).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-32-11Page 409 201-210, Config-2 Aug 01/05
CES
CONTROL UNIT - FUEL - REMOVAL/INSTALLATION
__________________________________________ TASK 49-32-11-000-002 Removal of the Fuel Control Unit (8022KM) (APS 3200) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific access platform 3.5 m (11 ft. 6 in.)
No specific container 4 l (1.0566 USgal)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-00-00-910-001 Fuel Safety Procedures 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 49-32-11-991-003 Fig. 401
3. Job Set-up
__________ Subtask 49-32-11-941-057
A. Safety Precautions
(1)
Obey the Fuel Safety Procedures (Ref. TASK 28-00-00-910-001).
(2)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(3)
Put a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that ground fire extinguishing equipment is available.
(5)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-32-11-865-058
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 49-32-11-010-054
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).
4. Procedure
_________ (Ref. Fig. 401/TASK 49-32-11-991-003) Subtask 49-32-11-020-052
A. Removal of the Fuel Control Unit CAUTION : PUT PLASTIC CAPS OR PLUGS ON ALL FUEL AND/OR LUBRICATION SYSTEM
_______ COMPONENTS AND LINES. IF YOU USE TAPE, CLOTH, OR METAL CAPS ON THEM, YOU CAN DAMAGE THE APU.
CAUTION : YOU MUST USE TWO WRENCHES AND HOLD THE COMPONENT WHEN YOU
_______ REMOVE/INSTALL THE PIPE COUPLINGS AND/OR UNIONS. THIS PREVENTS DAMAGE TO THE COMPONENT.
(1)
Disconnect the electrical connector P19 (1) from the fuel control unit (12).
(2)
Remove the nuts (11), the washers (10), the bolts (8) and harness clamps (9) from the fuel control unit (12).
(3)
Put blanking caps on the disconnected electrical connectors.
(4)
Put a container under the fuel inlet.
(5)
Remove connector (2) and the pressure switch (4), remove the union
(5) from the FCU and discard the three packings (3).
(6)
Position the waste fuel container.
(7)
Disconnect the tubes (6),(13) and (15) from the FCU (12).
(8)
Put blanking plugs on the disconnected line ends.
(9)
Support the FCU and remove the V-band clamp (20) .
(10) Remove the FCU (12), remove and discard the packings (18) and (19).
Fuel Control Unit
Figure 401/TASK 49-32-11-991-003
CES TASK 49-32-11-400-002
Installation of the Fuel Control Unit (8022KM) (APS 3200)
WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
1. Reason for the Job
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