(4)
Make sure that the access platform is in position below the APU compartment.
(5)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
Subtask 49-32-12-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
4. Procedure
_________ (Ref. Fig. 401/TASK 49-32-12-991-002) Subtask 49-32-12-420-051
A. Installation of the Flow Divider and Drain Valve Assembly.
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.
CAUTION : -YOU MUST NOT INCREASE THE TIGHTENING TORQUE MORE THAN THE
_______ MAXIMUM VALUE. -APPLY ALL TIGHTENING TORQUES WITH A TORQUE WRENCH OR A CALIBRATED SCREWDRIVER.
(1)
Lubricate the threads of the bolts (1) with OILS (Material No. 03-002).
(2)
Install the flow divider (6) with the bolts (1).
(3)
TORQUE the bolts (1) to 40 lbf.in (0.45 m.daN).
(4)
Remove the blanking caps from the ends of the tubes (4) and (5).
(5)
Connect the tubes (4) and (5) to the flow divider (6).
(6)
TORQUE the tube nuts (4) and (5) to between 135 and 150 lbf.in (1.52 and 1.69 m.daN).
(7)
Remove the blanking caps from the ends of the main fuel manifold (2) and the pilot fuel manifold (3).
(8)
Connect the main fuel manifold (2) to the flow divider (6).
(9)
TORQUE the main fuel manifold tube nut (2) to between 95 and 105 lbf.in (1.07 and 1.18 m.daN).
(10)
Connect the pilot fuel manifold (3) to the flow divider (6).
(11)
TORQUE the pilot fuel manifold tube nut (3) to between 95 and 105 lbf.in (1.07 and 1.18 m.daN).
Subtask 49-32-12-865-055
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD Subtask 49-32-12-710-052
C. Test
(1)
Do the operational test of the APU (Ref. TASK 49-00-00-710-008).
(2)
Operate the APU for min. five minutes and examine the joints of the flow divider for leaks.
NOTE : Leaks are not permitted.
____
________
5. Close-up
Subtask 49-32-12-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(3)
Remove the access platform(s).
(4)
Remove the warning notice(s).
FLOW DIVIDER - REMOVAL/INSTALLATION
___________________________________
TASK 49-32-13-000-001
Removal of Flow Divider and Solenoid Valve (8024KM) (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
__________________
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 -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External
Power 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 49-32-13-991-002 Fig. 401
R EFF : 001-049, 101-105, 107-107, 151-199, 49-32-13Page 401 201-210, Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-32-13-941-052
A. Safety Precautions
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