4. Procedure
_________ (Ref. Fig. 401/TASK 49-32-17-991-001) Subtask 49-32-17-420-050
A. Installation of the Fuel Shutoff Solenoid-Valve (8026KM)
(1)
Remove the blanking plug from the FCU opening.
(2)
Clean the component interface and/or the adjacent area. NOTE : Make sure that the interface is kept clean at all times while
____ the fuel shutoff solenoid-valve is not installed.
(3)
Lubricate the new packing (3) with FUELS (Material No. 01-002).
(4)
Install the new packing (3) to the fuel shutoff solenoid-valve (8026KM) (2).
(5)
Lubricate the new packing (4) with FUELS (Material No. 01-002).
(6)
Install the new packing (4) to the fuel shutoff solenoid-valve (8026KM) (2).
(7)
Lubricate the new packing (5) with FUELS (Material No. 01-002).
(8)
Install the new packing (5) to the fuel shutoff solenoid-valve (8026KM) (2).
(9)
Install the fuel shutoff solenoid-valve (8026KM) (2) on the FCU mounting studs.
(10)
Install the washers (6) and the nuts (7) .
(11)
TORQUE the nuts (7) to between 0.57 and 0.58 m.daN (50.44 and 51.32 lbf.in).
(12)
Install the electrical connector (1) to the fuel shutoff
solenoid-valve (8026KM) (2).
(13)
Safety the electrical connector (1) with corrosion-resistant steel lockwire 0.6 mm (0.0236 in.) dia.
(14)
Remove the container. Subtask 49-32-17-865-052
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD, 1QC, 2QC, 3QC, 1QF, 2QF.
Subtask 49-32-17-710-050
C. Leak Test
(1)
Start and operate the APU (Ref. TASK 49-00-00-860-003).
(2)
Examine the fuel shutoff solenoid-valve area for fuel leaks. NOTE : No leaks are permitted.
(3)
Stop the APU (Ref. TASK 49-00-00-860-004).
____ 5. Close-up
________ Subtask 49-32-17-410-051
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 switch 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 49-32-17-865-056
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 49-32-17-860-052
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).
FILTER - FUEL ((131-9(A))) - MAINTENANCE PRACTICES
__________________________________________________
TASK 49-32-41-920-001 Replacement of the Fuel Filter (8028KM) (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 MPD TASK: 493000-B1
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 warning notice
No specific container 10 l (2.6416 USgal)
No specific access platform 3.5 m (11 ft. 6 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 03-002 GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
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