(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 hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
(5)
Make sure that the access platform is in position below the APU compartment.
(6)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
(7)
Make sure that the LIGHT control SW 11LJ is set to the ON position.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-16Page 406 201-210, Config-2 Aug 01/05
CES Subtask 49-51-16-865-054
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
4. Procedure
_________
(Ref. Fig. 401/TASK 49-51-16-991-002) Subtask 49-51-16-420-052
A. Installation of the Differential Pressure Transducer
(1)
Remove the blanking plug from the APU port.
(2)
Lubricate the new packing (2) and packing (3) with OILS (Material No. 03-002).
(3)
Install the new packings (2) and (3) on the transducer (4).
(4)
Put the transducer (4) into the APU
(5)
Tighten the nut (1).
(6)
TORQUE the nut (1) to 0.45 m.daN (39.82 lbf.in).
(7)
Remove the blanking caps from the electrical connectors.
(8)
Connect the electrical connector (5) to the transducer (4). Subtask 49-51-16-865-055
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
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-16Page 407 201-210, Config-2 Aug 01/05
CES Subtask 49-51-16-710-053
C. Do the ECB Self-Test (Ref. TASK 49-00-00-710-009).
(1)
Start and operate the APU (Ref. TASK 49-00-00-860-008).
(2)
Examine the differential pressure transducer (2) for air leaks. NOTE : No leaks are permitted.
____
(3)
Stop the APU. (Ref. TASK 49-00-00-860-009)
5. Close-up
________ Subtask 49-51-16-410-052
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 SW 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). Subtask 49-51-16-860-055
B.
Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems.
(Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-51-16Page 408 201-210, Config-2 Aug 01/05
CES TRANSDUCER - TOTAL PRESSURE - REMOVAL/INSTALLATION
__________________________________________________ R **ON A/C 001-003, 051-099, 401-499,
TASK 49-51-17-000-001 Removal of the Total Pressure Sensor (8044KM) (GTCP 36-300) 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 blanking caps
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