Subtask 49-91-47-710-050
C. Start and Operate the APU.
(1)
Close the APU access doors (Ref. TASK 52-41-00-410-001).
(2)
Start the APU (Ref. TASK 49-00-00-860-003).
(3)
Allows the APU to run 5 minutes.
(4)
Shutdown the APU (Ref. TASK 49-00-00-860-004).
(5)
Open the APU access doors 315AL, 136AR (Ref. TASK 52-41-00-010-001).
(6)
Do a leak check of the Oil-Filter Bypass Valve.
NOTE : No leaks are permitted.
____
________
5. Close-up
Subtask 49-91-47-410-050
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 49-91-47-860-052
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).
VALVE - SOLENOID,DE-OILING - REMOVAL/INSTALLATION
_________________________________________________ R **ON A/C 001-003, 051-099, 401-499,
TASK 49-91-49-000-001 Removal of the De-Oiling Solenoid Valve (8083KM) (GTCP 36-300) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______
WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : DO NOT LET OIL STAY ON YOUR SKIN FOR A LONG TIME AS IT CAN CAUSE
_______
INJURY.
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 warning notice
No specific access platform 3 m (9 ft. 10 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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
R **ON A/C 001-003, 051-099,
49-91-49-991-001 Fig. 401 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 001-003, 051-099, 401-499, Post SB 49-1063 For A/C 001-003,051-099, 49-91-49-991-001-A Fig. 401A
R **ON A/C 001-003, 051-099, 401-499,
3. Job Set-up
__________
Subtask 49-91-49-860-053
A. Aircraft Maintenance Configuration
(1)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(2)
Put a warning notice in the cockpit to tell persons not to start the APU.
(3)
Make sure that ground fire extinguishing equipment is available.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-91-49-865-050
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 49-91-49-010-050
C. Get Access
(1)
Put the access platform below the APU compartment.
(2)
Open the APU access doors 315AL, 136AR (Ref. TASK 52-41-00-010-001).
4. Procedure
_________ R **ON A/C 001-003, 051-099,
(Ref. Fig. 401/TASK 49-91-49-991-001) R **ON A/C 001-003, 051-099, 401-499, Post SB 49-1063 For A/C 001-003,051-099, (Ref. Fig. 401A/TASK 49-91-49-991-001-A) **ON A/C 001-003, 051-099,
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