(2)
Start the APU (Ref. TASK 49-00-00-860-008).
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CES
(3)
Let the APU run for 5 minutes.
(4)
Shut down the APU (Ref. TASK 49-00-00-860-009).
(5)
Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
(6)
Do a leak check of the De-Oil Solenoid.
NOTE : No leaks are permitted.
____
________
5. Close-up
Subtask 49-91-49-410-053
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(3)
Set the LIGHT SW 11LJ to the OFF position.
(4)
Remove the access platform(s). Subtask 49-91-49-860-057
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).
(3)
Remove the warning notice(s).
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VALVE - SOLENOID,DE-OILING - REMOVAL/INSTALLATION
_________________________________________________ TASK 49-91-49-000-002 Removal of the De-oiling Solenoid Valve (8083KM) (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 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 49-91-49-991-002 Fig. 401
3. Job Set-up
__________ Subtask 49-91-49-860-051
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 49-91-49-865-055
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
Subtask 49-91-49-010-053
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. 401/TASK 49-91-49-991-002) Subtask 49-91-49-020-051
A. Removal of the De-oiling Solenoid Valve
(1)
Disconnect the electrical connector P15 (1) from the de-oiling solenoid valve (3).
(2)
Put blanking caps on the disconnected electrical connectors.
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