(2)
On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF, then wait 7.5 minutes before you do the procedure .
(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 49-41-41-865-060
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 49-41-41-010-055
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 SW 11LJ to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-41-41Page 402 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________ (Ref. Fig. 401/TASK 49-41-41-991-007) Subtask 49-41-41-020-054
A. Removal of the Igniter Plug WARNING : DISCONNECT THE LOW TENSION ELECTRICAL SUPPLY 5 MINUTES BEFORE
_______ YOU START WORK ON THE IGNITION SYSTEM. ALSO, GROUND THE IGNITER LEAD WITH AN INSULATED DEVICE AS YOU DISCONNECT IT FROM THE IGNITER PLUG. HIGH CURRENT AND VOLTAGE, WHICH ARE USED IN THE IGNITION SYSTEM, CAN KILL YOU.
NOTE : There is only one igniter plug. It is installed in the combustion
____
casing at 220 degrees viewed from the rear.
(1)
Disconnect the electrical connector (1) and wait 5 minutes before you continue.
(2)
Disconnect the ignition electrical lead (2) from the igniter plug (3).
(3)
Remove the igniter plug (3) and the gasket (4). Put blanking caps on the disconnected electrical connectors.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-41-41Page 403 201-210, Config-2 Aug 01/05
CES
Igniter Plug
Figure 401/TASK 49-41-41-991-007
CES
TASK 49-41-41-400-004
Installation of Igniter Plug (131-9(A))
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 0.00 to 1.20 m.daN
(0.00
to 9.00 lbf.ft) No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-014 USA MIL-PRF-907 HIGH TEMPERATURECOMPOUND (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3 igniter plug 49-41-09 01 -040 4 gasket 49-41-09 01 -060
R EFF : 001-049, 101-105, 107-107, 151-199, 49-41-41Page 405 201-210, Config-2 Aug 01/05
CES
D. 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 49-00-00-710-010 Operational Test of the APU (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 49-41-41-991-007 Fig. 401
3. Job Set-up
__________
Subtask 49-41-41-860-059
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)
Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
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