S 865-022
(3)
Make sure these circuit breakers are closed:
(a)
P6, Main Power Distribution Panel
1) 6F5, FUEL SYS MGMT CARD A
2) 6F6, FUEL SYS MGMT CH1
3) 6F8, FUEL SYS MGMT CH2
(b)
P7, Overhead Circuit Breaker Panel
1) 7H22, FUEL XFR VALVE RES 2A & 3A
2) 7H23, FUEL XFR VALVE RES 2B & 3B
S 865-023
(4)
Set the GND TESTS switch on the overhead maintenance panel, P461, to the ENABLE position.
S 865-029
(5)
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 <28 FUEL.
(f)
Push the LSK that is adjacent to <28 FUEL to show the GROUND TESTS menu for the fuel system.
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(g) Find <RESERVE VALVE.
NOTE: If INHIBITED shows above <RESERVE VALVE, the test
____
will not operate.
(h) If INHIBITED shows above <RESERVE VALVE: 1) Push the LSK that is adjacent to the test prompt. 2) Do the steps shown on the CDU. 3) Push the LSK that is adjacent to <RETURN to show the ground
test menu again.
F. Reserve Tank Transfer Valve Ground Test
S 745-024
(1) Push the LSK that is adjacent to <RESERVE VALVE.
NOTE: IN PROGRESS shows during the test.
____
S 745-026
(2) When IN PROGRESS goes out of view, look for PASS or FAIL> adjacent to <RESERVE VALVE.
NOTE: If a PASS indication shows, no failure occured during the
____
test.
(a) IF FAIL> shows: 1) Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG page for the failure. 2) Push the NEXT PAGE key until you find the GROUND TEST MSG pages. 3) Make a list of all CMCS messages, CMCS message numbers that show on the GROUND TEST MSG pages.
4) Go the the CMCS Message Index of the Fault Isolation Manual to find the corrective action for each CMCS message.
G. Put the Airplane Back to Its Usual Condition
S 865-025
(1)
Set the GND TESTS switch to the NORM position.
S 865-027
(2)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 28-16-01-715-018
3. Defuel Module Test
__________________
A. References
(1) AMM 24-22-00/201, Manual Control
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MAINTENANCE MANUAL
(2)
AMM 27-51-00/201, Trailing Edge Flap System
(3)
AMM 28-22-16/401, Fuel System Card File
(4)
AMM 32-09-02/201, Air/Ground Relays
B.
Access
(1)
Location Zones
221 Control Cabin, Left
222 Control Cabin, Right
591 Rear Spar to Trailing Edge, Left
691 Rear Spar to Trailing Edge, Right
C.
Preconditions
S 865-032
(1)
These conditions are necessary for this task:
(a)
A specific fuel quantity is not necessary for this task.
(b) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 燃油 FUEL 1(182)
