52-41-00-410-001 Close the APU Doors after Access 49-23-16-991-001 Fig. 401
3. Job Set-up
__________ Subtask 49-23-16-860-055
A. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(2)
On the panel 25VU make sure that the APU MASTER SW pushbutton switch 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 hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-23-16-865-051
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
Subtask 49-23-16-010-054
C. Get Access
(1)
Make sure that the access platform is in position below the APU compartment.
(2)
Make sure that the APU access doors 315AL and 316AR are open (Ref. TASK 52-41-00-010-001).
(3)
Make sure that the light SW 11LJ is set to the ON position.
4. Procedure
_________ (Ref. Fig. 401/TASK 49-23-16-991-001) Subtask 49-23-16-420-050
A. Installation of the Load Compressor-Discharge Temperatur-Sensor (8012KM)
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Install the load compressor-discharge temperature-sensor (8012KM) (5) with the bolts (4).
(4)
Install a new packing (6) on the load compressor-discharge temperature-sensor (8012KM) (5).
(5)
TORQUE the bolts (4) to 0.56 m.daN (49.55 lbf.in).
(6)
Remove the blanking caps.
(7)
Make sure that the electrical connectors are clean and in the correct condition.
(8)
Connect the electrical connections (3) with the washers (2) and the nuts (1).
(9)
TORQUE the larger of the two nuts (1) to 0.34 m.daN (30.08 lbf.in).
(10)
TORQUE the smaller of the two nuts (1) to 0.23 m.daN (20.35 lbf.in). Subtask 49-23-16-865-052
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-23-16-740-050
C. Do the Self Test of the ECB (Ref. TASK 49-00-00-710-001).
5. Close-up
________ Subtask 49-23-16-410-050
A. 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 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s).
(5)
Remove the warning notice(s). Subtask 49-23-16-865-057
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-23-16-860-056
C. Aircraft Maintenance Configuration
(1)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(2)
Pressurize the reservoirs of the hydraulic systems.
(Ref. TASK 29-14-00-614-002).
Remove the warning notice(s).
SENSOR - LOAD COMPRESSOR DISCHARGE TEMPERATURE (102KD) - REMOVAL/INSTALLATION
_____________________________________________________________________________ TASK 49-23-16-000-002 Removal of the Load Compressor-Discharge Temperature-Sensor (APS 3200) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
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