B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network 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 49-72-15-991-003 Fig. 201
R EFF : 001-049, 101-105, 107-107, 151-199, 49-72-15Page 201 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-72-15-860-059
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU, make sure that the APU MASTER SW p/bsw 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 49-72-15-865-057
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 49-72-15-010-053
C. Get Access
(1)
Put the access platform below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR and (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT SW 11LJ to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-72-15Page 202 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________
(Ref. Fig. 201/TASK 49-72-15-991-003) Subtask 49-72-15-020-052
A. Removal of the Thermocouples
(1)
Remove the nuts (6), the washers (5) and disconnect the electrical connections (4).
(2)
Loosen the nuts (1) and turn the thermocouple (3) to disengage the mounting plate from the studs and pull the thermocouple (3) out of the APU.
(3)
Remove and discard the gasket (2).
(4)
Install the blanking plugs on the thermocouple mounting flange.
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CES
Thermocouples
Figure 201/TASK 49-72-15-991-003
CES TASK 49-72-15-200-002
Inspection / Check of the Thermocouples (8057KM) (131-9(A))
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 circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 49-72-15-000-002 Removal of the Thermocouples (8057KM) (131-9(A)) 49-72-15-400-003 Installation of the Thermocouples (8057KM) (131-9(A)) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access
R EFF : 001-049, 101-105, 107-107, 151-199, 49-72-15Page 205 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-72-15-860-061
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU make sure that the APU MASTER SW p/bsw is OFF.
(3)
Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
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