(3)
During the test, you will get these indications on the flight deck:
(a)
the red master warning light lights
(b)
the engine fire switch lights
(c)
EICAS message for the Engine Fire system
(d)
the alarm bell sounds
B. References
(1) 24-22-00/201, Manual Control
C. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
D. Prepare for the Test
S 865-127
(1)
Supply electrical power (Ref 24-22-00/201).
S 865-042
(2)
Set the GND TEST switch on the overhead maintenance panel, P461, to the ENABLE position.
S 865-129
(3)
Prepare the CDU for the test:
(a)
Push the MENU key on the CDU to show the MENU.
(b)
Push the line select key (LSK) that is adjacent to <CMC to show the CMC MENU.
(c)
If <RETURN shows after you push the LSK, push the LSK that is adjacent to <RETURN until you see the CMC MENU.
(d)
Push the LSK that is adjacent to <GROUND TESTS to show the GROUND TESTS menu.
(e)
Push the NEXT PAGE key until you find <26 FIRE PROTECTION.
(f)
Push the LSK that is adjacent to <26 FIRE SYSTEM TEST to show the GROUND TESTS menu for the fire protection system.
NOTE: If INHIBIT shows above <FIRE SYSTEM TEST the test will
____
not operate.
(g) If INHIBITED shows above <FIRE SYSTEM TEST: 1) Push the LSK that is adjacent to the test prompt. 2) Do the steps shown on the CDU.
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3) Push the LSK that is adjacent to <RETURN to show the ground test menu again.
E. Fire System Ground Test
S 745-051
(1) Push the LSK that is adjacent to <FIRE SYSTEM TEST.
(a)
When the TEST PRECONDITIONS page shows, make sure each instruction on the page is completed. (Push the NEXT PAGE key to see the subsequent pages.)
(b)
Push the LSK that is adjacent to START TEST>.
NOTE: IN PROGRESS shows during the test.
____
S 745-121
(2) When the IN PROGRESS goes out of view, look for PASS or FAIL.
NOTE: If a PASS indication shows, no failures occurred during the
____
test.
S 745-038
(3) If FAIL> shows:
NOTE: The CMC ground test FAIL> indication can show because the
____ circuit breakers are open or there is a failure on a related fire/overheat protection system.
(a)
Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG pages for the failure.
(b)
Push the NEXT PAGE key until you find all the GROUND TEST MSG pages.
(c)
Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages.
(d)
Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
F. Put the Airplane back to Its Usual Condition
S 865-059
(1)
Set the GND TESTS switch to the NORM position.
(2)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
S 865-010
TASK 26-11-00-735-011
4. System Test (Fig. 501)
___________
A. Standard Tools and Equipment
(1) Multimeter - To measure resistance
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B. References
(1)
AMM 24-22-00/201, Manual Control
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本文鏈接地址：747-400 AMM 飛機維護手冊 防火 FIRE PROTECTION 1(28)
