(2)
Install the new O-ring (3) on the LOP switch (2).
(3)
Remove the blanking plug from the gearbox port.
(4)
Install the LOP switch (2) in the gearbox.
(5)
Tighten the bolt (4).
(6)
Remove the container.
(7)
Remove the blanking caps from the electrical connectors.
(8)
Connect the electrical connector (1) to the LOP switch (2). Subtask 49-94-14-210-052
B.
Do a visual check of the oil quantity. (Ref. TASK 49-90-00-600-007).
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CES Subtask 49-94-14-865-060
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-94-14-710-053
D. Start and Operate the APU to check the System Report/Test on the MCDU
(1)
Start and operate the APU (Ref. TASK 49-00-00-860-008).
(2)
Let the APU run for 5 minutes to check the System Report/Test on the MCDU.
NOTE : The SYSTEM SELF-TEST page must not show LOP switch.
____
(3)
Shut down the APU (Ref. TASK 49-00-00-860-009).
(4)
Do a leak check of the LOP switch.
NOTE : No leaks are permitted.
____
________
5. Close-up
Subtask 49-94-14-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT SW 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 49-94-14-860-058
B.
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).
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CES
(3) Remove the warning notice(s).
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CES PRESSURE SWITCH - OIL - REMOVAL/INSTALLATION
____________________________________________
TASK 49-94-14-000-002
Removal of the Oil Pressure Switch (8091KM) (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 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.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 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 49-94-14-991-002 Fig. 401 49-94-14-991-004 Fig. 402
3. Job Set-up
__________ Subtask 49-94-14-860-051
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 49-94-14-865-055
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
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