3. Job Set-up
__________ Subtask 49-94-00-860-061
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).
4. Procedure
_________ Subtask 49-94-00-420-052
A. Installation of the Low Oil-Pressure/High Oil-Temperature Switches
(1)
Install the low oil-pressure switch (121KD) (Ref. TASK 49-94-14-400-001).
(2)
Install the high oil-temperature switch (120KD) (Ref. TASK 49-94-13-400-001).
Subtask 49-94-00-210-055
B. Do a visual check of the oil quantity. Add oil if the oil level is on or below the ADD mark on the sight glass (Ref. TASK 49-90-00-600-001).
5. Close-up
________ Subtask 49-94-00-410-053
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)
Remove the access platform(s).
Subtask 49-94-00-860-062
B. Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).
(2)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(3)
Remove the warning notice(s).
TASK 49-94-00-700-002
Test of the Low Oil-Pressure Switch (8091KM) and High Oil-Temperature Switch (8092KM) (GTCP 36-300)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power 49-00-00-860-003 APU Start by External Power (GTCP 36-300) 49-00-00-860-004 APU Shutdown by External Power (GTCP 36-300) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access
3. Job Set-up
__________ Subtask 49-94-00-861-051
A. Energize the aircraft electrical system (Ref. TASK 24-41-00-861-002). Subtask 49-94-00-010-054
B. Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001). Subtask 49-94-00-710-051
C. Start and Operate the APU to check the System Report/Test on the MCDU
(1)
Start and operate the APU (Ref. TASK 49-00-00-860-003).
(2)
Allow the APU to run for 5 minutes to check the System Report/Test on the MCDU.
NOTE : The SYSTEM SELF-TEST page must not show low oil-pressure/high
____
oil-temperature switches.
(3)
Shutdown the APU (Ref. TASK 49-00-00-860-004).
(4)
Do a leak check of the low oil-pressure/high oil-temperature switches.
NOTE : No leaks are permitted.
____
_________
4. Procedure
Subtask 49-94-00-410-051
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)
Remove the access platform(s).
(4)
Remove the warning notice(s).
SWITCH - OIL TEMPERATURE - REMOVAL/INSTALLATION
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