(4)
Connect the drain hoses (16) to the drain lines.
(5)
Connect the bonding strap (17) with the screw (19) and the washer
(18) (Ref. TASK 20-28-00-912-002).
(6)
Apply SPECIAL MATERIALS (Material No. 05-027) around all the screwheads.
Subtask 49-16-45-410-053
E. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control switch 11LJ to the off position.
(3)
Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s).
(5)
Remove the warning notice(s). Subtask 49-16-45-865-055
F.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-16-45-860-054
G. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
INLET PLENUM-LOWER - REMOVAL/INSTALLATION
_________________________________________
TASK 49-16-48-000-003
Removal of the Lower Inlet-Plenum (APS 3200)
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 1 ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 49-23-17-000-001 Removal of the Inlet Pressure/Temperature Sensor
(8013KM) (APS 3200) 49-41-38-000-002 Removal of the Ignition Unit (8030KM) (APS 3200) 49-51-19-000-002 Removal of the Sensor - Compressor Discharge Pressure
(8039KM) (APS 3200) 49-73-31-000-001 Engine Identification Module (8061KM) - Removal (APS
3200) 52-41-00-010-001 Open the APU Doors for Access 49-16-48-991-002 Fig. 401
3. Job Set-up
__________ Subtask 49-16-48-860-054
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).
Subtask 49-16-48-865-053
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 49-16-48-010-051
C. Get Access
(1)
Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
4. Procedure
_________
(Ref. Fig. 401/TASK 49-16-48-991-002) Subtask 49-16-48-020-052-A
A. Removal of the Lower Inlet-Plenum
(1)
Remove the accessories on the plenum
(a)
Disconnect the thermocouple electrical connectors P30 and P31 from the bracket.
(b)
Remove the Ignition Unit (8030KM) (Ref. TASK 49-41-38-000-002).
(c)
Remove the Engine Identification Module (8061KM) (Ref. TASK 49-73-31-000-001).
(d)
Remove the Ignition Unit support bracket from the lower inlet-plenum.
(e)
Remove the Inlet Pressure/Temperature Sensor (8013KM) (Ref. TASK 49-23-17-000-001).
(f)
Remove the Compressor Discharge-Pressure Sensor (8039KM) (Ref. TASK 49-51-19-000-002).
(2)
Remove the Lower Inlet-Plenum
(a)
Make sure all connections between the engine and the plenum are removed, and that no part or connector will touch with the lower plenum removal.
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