(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
FILTER - FUEL - MAINTENANCE PRACTICES
_____________________________________
TASK 49-32-41-920-002
Replacement of the Fuel Filter (8028KM) (APS 3200)
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 cap
No specific circuit breaker(s) safety clip(s)
No specific lint free cloth
No specific warning notice
No specific container 1.0 l (0.2641 USgal)
No specific access platform 3.5 m (11 ft. 6 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-002 USA MIL-PRF-5624 GRADE JP4 FUEL, TURBO (Ref. 20-31-00) Material No. 01-003 USA MIL-T-5624 GRADE JP5 FUEL, TURBO (Ref. 20-31-00)
C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
1 packing 49-32-11 50 -020
2 packing 49-32-11 50 -040
2 packing 49-32-11 50 -040A
2 packing 49-32-11 50 -040B
3 filter element 49-32-11 50 -030
3 filter element 49-32-11 50 -030A
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 24-42-00-861-001 Energize the Ground Service Network from the External
Power 28-00-00-910-001 Fuel Safety Procedures 28-22-00-710-001 Operational Test of the APU Fuel-Pump System on
Ground to Purge the Fuel Line 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-00-00-860-005 APU Start by External Power (APS 3200) 49-00-00-860-006 APU Shutdown by External Power (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-32-41-991-004 Fig. 201
3. Job Set-up
__________
Subtask 49-32-41-941-055
A. Safety Precautions
(1) Obey the Fuel Safety Procedures (Ref. TASK 28-00-00-910-001).
Subtask 49-32-41-860-054
B. 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 49-32-41-865-059
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU APU/FUEL/BLOW OFF/PUMP 2QC B14 49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 121VU APU/FUEL/BLOW OFF/CTL 1QC K39 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 121VU APU/FUEL/LP VALVE/CTL 1QF M40 121VU APU/FUEL/LP VALVE/SPLY 2QF M39 121VU APU/FUEL/PUMP/CTL 3QC M38
Subtask 49-32-41-010-053
D. Get Access
(1)
Put the access platform below the APU access doors 315AL and 316AR.
(2)
Open the access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT control SW 11LJ to the ON position.
4. Procedure
_________
(Ref. Fig. 201/TASK 49-32-41-991-004) Subtask 49-32-41-020-053
A. Filter Housing/Element - Removal
(1)
Put the container in position below the fuel filter housing (4).
(2)
Grasp the filter housing (4), turn it anti-clockwise and remove it.
(3)
Let the fuel from the fuel filter housing (4) drain into the container.
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