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 49-72-15-991-002 Fig. 201
3. Job Set-up
__________ Subtask 49-72-15-860-050
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 hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-72-15-865-053
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 49-72-15-010-052
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).
4. Procedure
_________ (Ref. Fig. 201/TASK 49-72-15-991-002) Subtask 49-72-15-020-051
A. Removal of the Thermocouple NOTE : There are two thermocouples. The procedure is the same for each of
____ the thermocouples. The LONG THERMOCOUPLE (TC1) P30 is installed on the RH side (FD) of the APU and the SHORT THERMOCOUPLE (TC2) P31 is installed on the LH side (FD) of the APU.
(1)
Disconnect the electrical connector P30 or P31 (6) from the bracket.
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the nuts (2), the bolts (1) and the clamps (3), at the four indicated positions.
(4)
Remove the bolt (4) and the thermocouple (5).
Thermocouple
Figure 201/TASK 49-72-15-991-002
CES TASK 49-72-15-400-002 Installation of the Thermocouple (8057KM1) and (8057KM2) (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 Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-00-00-710-008 Operational Test of the APU (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-72-15-991-002 Fig. 201
3. Job Set-up
__________ Subtask 49-72-15-860-053
A. Aircraft Maintenance Configuration
(1)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(2)
Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
(3)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
(4)
Make sure that the access platform is in position below the APU compartment.
(5)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
Subtask 49-72-15-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
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