(2)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(3)
Remove the warning notice(s).
CONTROL UNIT - FUEL ((APS 3200)) - SERVICING
____________________________________________
TASK 49-32-11-210-002
Differential Pressure Indicator - Inspection/Check (APS 3200)
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 circuit breaker(s) safety clip(s) No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-32-11-610-002 Fuel Filter Element - Removal/Installation (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-32-11-991-004 Fig. 301
3. Job Set-up
__________ Subtask 49-32-11-860-053
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(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 hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-32-11-865-061
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 49-32-11-010-055
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).
(3)
Set the LIGHT control switch 11LJ to the on position.
4. Procedure
_________ (Ref. Fig. 301/TASK 49-32-11-991-004) Subtask 49-32-11-210-053
A. Differential Pressure Indicator - Check
(1)
Examine the fuel-filter differential-pressure indicator (2). The indicator pin (2A) must not protrude from its housing.
(2)
If the indicator pin protrudes from its housing, you must change the fuel-filter element (Ref. TASK 49-32-11-610-002).
5. Close-up
________ Subtask 49-32-11-410-055
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).
(5)
Remove the warning notice(s). Subtask 49-32-11-865-062
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD
Subtask 49-32-11-860-054
C. Aircraft Maintenance Configuration.
(1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
Fuel Control Unit - Servicing
Figure 301/TASK 49-32-11-991-004
CES TASK 49-32-11-610-002 Fuel Filter Element - Removal/Installation (APS 3200) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : MAKE SURE THAT YOU HAVE THE CORRECT FIRE FIGHTING EQUIPMENT
_______ AVAILABLE.
WARNING : DO NOT GET AIRCRAFT FUEL:
_______
-
IN YOUR MOUTH
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