757
MAINTENANCE MANUAL
S 865-139
(3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P34 panel:
(a)
34A9, FLNG VALVES
(b)
34A10, FUEL QTY
(c)
34A11, FLNG CONT
S 975-144
(4)
Make a written record of the fuel quantity in the center fuel tank as shown on the fuel quantity indicator on the overhead panel, P5.
S 865-145
(5)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a)
6H23, L FWD FUEL BOOST PUMP
S 975-196
(6)
Make a written record of the fuel quantity in the left main fuel tank as shown on the fuel quantity indicator on the overhead panel, P5.
S 865-146
(7)
Push the L FWD PUMPS switch-light on the fuel management control panel to the ON position.
S 735-406
(8)
Let the left forward fuel boost pump operate for 1 hour 45 minutes.
NOTE: Motive flow from the left forward fuel boost pump drives the
____ scavenge ejector pump in the center fuel tank.
S 215-405
(9)
Make sure that the fuel quantity in the center fuel tank decreases by 200 lbs (100 kgs) minimum, as shown on the fuel quantity indicator on the overhead panel, P5.
S 215-404
(10)
Make sure that the fuel quantity in the left main fuel tank increases by 200 lbs (100 kgs) minimum, as shown on the fuel quantity indicator on the overhead panel, P5.
E.
Put the Airplane Back to its Usual Condition
S 655-249
(1) Refuel the fuel tank if no more work is necessary
(AMM 12-11-01/301).
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28-22-00
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A
757
MAINTENANCE MANUAL
TASK 28-22-00-725-242
4. Test the Float-Operated Shutoff Valve_____________________________________
A. References
(1)
AMM 12-11-01/301, Fuel Tank Pressure Fueling
(2)
AMM 24-22-00/201, Electrical Power Control
(3)
AMM 28-26-00/201, Defueling
B.
Access
(1)
Location Zones
211 Control Cabin - Section 41 (Left)
212 Control Cabin - Section 41 (Right)
C.
Prepare for Test
S 655-439
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本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 燃油 CHAPTER 28 - FUEL 3(5)
