(d)
Fuel System Card File serviceable (AMM 28-22-16/401).
(e)
Intergrated Display System (IDS) serviceable
(AMM 31-61-00/501).
(f)
Airplane must be in ground mode (AMM 32-09-02/201).
(g)
CDU installed (AMM 34-61-02/401).
(h)
Central Maintenance Computer (CMC) serviceable
(AMM 45-10-00/501).Prepare for the Test
S 865-063
(1) Make sure the airplane is in the ground mode (the airplane is not held up by jacks and the targets are not installed) (AMM 32-09-02/201).
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S 865-002
(2)
Supply electrical power (AMM 24-22-00/201).
S 655-314
(3)
Do these steps to do a complete ground test of the densitometers and compensators:
(a)
Make sure the fuel tanks contain this minimum quantity of fuel: (enough fuel to cover the densitometers and compensators) 1) Main Tanks 1 and 4 - 324 Gallons (1227 Liters) 2) Main Tanks 2 and 3 - 107 Gallons (405 Liters) 3) Center Wing Tank - 1412 Gallons (5345 Liters) 4) Reserve Tank 2 and 3: - 46 Gallons (175 liters)
(Compensator only)
S 865-003
(4)
Make sure these circuit breakers are closed:
(a)
On the main power distribution panel, P6:
1) 6D05, FUEL QTY 1
2) 6D06, FUEL QTY 2
3) 6F05, FUEL SYS MGMT CARD A
4) 6F06, FUEL SYS MGMT CH 1
5) 6F07, FUEL SYS MGMT CARD B
6) 6F08, FUEL SYS MGMT CH 2
(b)
On the DC power distribution panel, P180:
1) 180M8, FUELING VALVE 2
2) 180M9, FUELING PWR - HOT BAT
3) 180C25, FUELING LTS PANEL
4) 180C26, FUELING LTS RECP
5) 180H17, FUEL SYS EICAS INTFC CONT
(c)
On the left power distribution center, P414:
1) 414F17, FUELING VALVE
2) 414F22, FUELING PWR
S 865-149
(5)
Prepare the CDU for the (FQIS) ground 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 quantity indicating system.
(g)
Push the NEXT PAGE key until you find <FUEL QUANTITY IND.
NOTE: If INHIBITED shows above <FUEL QUANTITY IND, the
____
test will not operate.
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(h) If INHIBITED shows above <FUEL QUANTITY IND: 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. Fuel Quantity Indication System Ground Test
S 745-150
(1)
Push the LSK that is adjacent to <FUEL QUANTITY IND.
S 715-169
(2)
When the TEST PRECONDITIONS page shows, this note will show on the precondition screen:
"NOTE: REFUELING STOPS WHILE TEST IS IN PROGRESS."
S 745-307
(3) Push the LSK that is adjacent to START TEST>.
NOTE: IN PROGRESS shows during the test.
____
S 745-151
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