(19)
Install the V-clamp (4) on to the FCU flange but do not tighten.
(20)
Install the FCU (1) to the lube pump assembly (2). NOTE : Make sure that the alignment pin on the lube pump assembly is
____
installed into the recess of the FCU flange.
(21)
Put the V-clamp (4) over the flanges of the FCU (8022KM) (1) and the lube pump assembly (2) and tighten.
(22)
TORQUE the V-clamp nut (4) to 0.23 m.daN (20.35 lbf.in).
(23)
Install the drain line (14) to the FCU (8022KM) (1).
(24)
Install the IGVA supply fuel line (5) to the FCU (8022KM) (1).
(25)
Install the IGVA return fuel line (9) to the FCU (8022KM) (1).
(26)
Install the FCU solenoid fuel line (8) to the FCU (8022KM) (1).
(27)
Before installing the fuel inlet tube (19), apply LUBRICANTS (Material No. 06-001A) to the internal threads of the nut.
(28)
Install the fuel inlet tube (19), torque the nut to between 4.85 and
5.31 m.daN (35.76 and 39.15 lbf.ft) and safety with lockwire.
(29)
Install the fuel LP switch 5030QM (Ref. TASK 28-22-14-400-001).
(30)
Remove the blanking caps from the electrical connectors.
(31)
Connect the electrical connector (22) to the FCU torque motor and safety with lockwire-corrosion resistant steel 0.6 mm (0.0236 in) dia.
(32)
Connect the electrical connector (21) to the FCU solenoid and safety with lockwire-corrosion resistant steel 0.6 mm (0.0236 in) dia.
(33)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 49-32-11-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-32-11-870-050
C. Purge the APU fuel-feed line (Ref. TASK 28-22-00-710-001). Subtask 49-32-11-710-053
D. Do the operational test of the APU (Ref. TASK 49-00-00-710-004).
(1) Operate the APU for min. five minutes and examine the joints of the fuel control unit for leaks.
NOTE : Leaks are not permitted.
____
5. Close-up
________ Subtask 49-32-11-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Make sure that the light SW 11LJ is set 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 49-32-11-865-068
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 49-32-11-860-066
C. Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
CONTROL UNIT - FUEL - REMOVAL/INSTALLATION
__________________________________________ TASK 49-32-11-000-003 Removal of the Fuel Control Unit (FCU) (8022KM) (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 circuit breaker(s) safety clip(s)
No specific container 10 l (2.6416 USgal)
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 28-00-00-910-001 Fuel Safety Procedures 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
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