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)
No specific Torque Wrench : range 0.00 to 1.20 m.daN
(0.00 to 9.00 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 -------------------------------------------------------------------------------
gasket 49-31-09 01 -070
R EFF : 001-049, 101-105, 107-107, 151-199, 49-31-41Page 207 201-210, 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 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 49-00-00-860-008 APU Start by External Power (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 49-31-41-991-003 Fig. 201
3. Job Set-up
__________
Subtask 49-31-41-860-057
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.
(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).
(6)
Make sure that the LIGHT control SW 11LJ is set to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-31-41Page 208 201-210, Config-2 Aug 01/05
CES Subtask 49-31-41-865-057
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
4. Procedure
_________
(Ref. Fig. 201/TASK 49-31-41-991-003) Subtask 49-31-41-420-057
A. Installation of the Nozzles
(1)
Apply COMMON GREASE (Material No. 04-014) to the threads of the bolts (5).
(2)
Position the new gasket (2) on the nozzle (3).
(3)
Position the air shroud (1) in the combustor port. NOTE : Make sure that the alignment hole in the air shroud is
____ correctly aligned over the alignment pin of the fuel nozzle.
(4)
Position the nozzle (3) into the air shroud (1).
(5)
Install the bolts (5).
(6)
TORQUE the bolts (5) to 0.68 m.daN (60.17 lbf.in).
(7)
Install the locking plate (6) and secure with safety pins (7).
(8)
Remove the blanking plugs from the disconnected line ends.
(9)
Install the manifold connectors (4) to the fuel nozzle (3).
(10)
TORQUE the manifold connectors to 1.14 m.daN (100.88 lbf.in).
(11)
Install the fuel supply pipes for the primary manifold (10) and the secondary manifold (8) to the flow divider (9).
(12)
TORQUE the fuel supply pipe connectors to 1.14 m.daN (100.88 lbf.in).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-31-41Page 209 201-210, Config-2 Aug 01/05
CES Subtask 49-31-41-865-058
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD
Subtask 49-31-41-790-052
C. Leak Test
(1)
Start and operate the APU for a minimum of five minutes (Ref. TASK 49-00-00-860-008).
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