CES **ON A/C 001-003, 051-062,
Subtask 49-61-34-420-051
A. Installation of the ECB (59KD)
(1) Remove the blanking cap from the electrical connection (4).
(2) Do an inspection of the component interface and/or the adjacent area. CAUTION: THE WEIGHT OF THE ELECTRONIC CONTROL BOX (ECB) IS 8.6KG (19LBS).
(3)
Put the ECB (59KD) (3) in position on the tray (1).
(4)
Carefully push the ECB (59KD) (3) to engage the electrical connection (4).
(5)
Make sure that the ECB (59KD) (3) and the electrical connection (4) are fully engaged.
(6)
Move the fluted knobs (2) upwards to engage the feet (5) on the front face of the ECB (59KD) (3).
(7)
Turn the fluted knobs (2) clockwise to tighten the ECB (59KD) (3) in position on the rack (1). When the fluted knobs (2) are correctly tightened, the red marks on the threads are no longer seen.
R **ON A/C 063-099, 401-499,
Subtask 49-61-34-420-051-A
A. Installation of the ECB (59KD)
(1) Remove the blanking cap from the electrical connection (4).
(2) Do an inspection of the component interface and/or the adjacent area. CAUTION: THE WEIGHT OF THE ELECTRONIC CONTROL BOX (ECB) IS 5.4KG (12LBS).
(3)
Put the ECB (59KD) (3) in position on the tray (1).
(4)
Carefully push the ECB (59KD) (3) to engage the electrical connection (4).
(5)
Make sure that the ECB (59KD) (3) and the electrical connection (4) are fully engaged.
(6)
Move the fluted knobs (2) upwards to engage the feet (5) on the front face of the ECB (59KD) (3).
(7)
Turn the fluted knobs (2) clockwise to tighten the ECB (59KD) (3) in position on the rack (1). When the fluted knobs (2) are correctly tightened, the red marks on the threads are no longer seen.
R **ON A/C 001-003, 051-099, 401-499,
Subtask 49-61-34-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
5. Close-up
________
Subtask 49-61-34-740-063
A. Do the APU SYSTEM SELF-TEST to make sure that the ECB and the APU LRU's are serviceable.
(1)
On panel 25VU, set the APU MASTER SW pushbutton to ON.
(2)
Set the CFDS to get the SYSTEM REPORT/TEST page for the APU. (Ref. TASK 31-32-00-860-001)
(3)
Do this test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU: On the MCDU:
-push the pushbutton adjacent to - the APU SYSTEM SELF-TEST page shows the SYSTEM SELF-TEST and the message indication. IN PROGRESS
comes on.
-if the test is satisfactory, the message TEST OK comes on.
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-
push the pushbutton adjacent to the RETURN display.
-
push the pushbutton adjacent to the RETURN display.
-
push the pushbutton adjacent to the RETURN display.
Subtask 49-61-34-740-072
B. Additional Check Procedure
This indicates that all LRU's are
serviceable.
-if the test is not satisfactory, the name and the ATA reference number of the unserviceable LRU shows.
-
the APU menu page comes on.
-
the SYSTEM REPORT/TEST page comes on.
-
the CFDS page comes on.
(1) Set the CFDS to get the SYSTEM REPORT/TEST page for the APU. (Ref. TASK 31-32-00-860-001)
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU, in use: On the MCDU:
- push the line key adjacent to the LRU IDENTIFICATION - the LRU IDENTIFICATION page comes on.
indication. NOTE : Make sure that the P/N shown on____ the LRU IDENTIFICATION page is the same as the P/N given on the front face of the computer. If the P/N is not the same, you must remove the computer and return it to the shop.
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