757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 2(119)

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 ú ú ú ú ú  (5) (6)  S 775-484Before you operate a fuel pump, put a person at the applicable pump location, installed on the front or rear wing spar, to listen for its operation.S 775-492When you operate the fuel boost pumps or fuel override pumps,someone must be in the flight compartment to continuously monitorfor the low pressure lights.
 (7)  S 865-035Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel: (a) 6H23, L FWD FUEL BOOST PUMP
 (8)  S 865-036Push the L FWD PUMPS switch-light of the fuel management control panel on the P5 panel to the ON position.
 ú ú  (9)  S 215-037Make sure the ON flowbar on the L FWD PUMPS switch-light comes on.(a) If the L FWD PUMPS PRESS light stays on, push the L FWD PUMPSswitch-light to the off position.
 S 285-038 (10) Listen at the front spar, aft of the leading edge slat No. 5 to make sure the left forward fuel boost pump operates.
 S 865-039 (11) Push the L FWD PUMPS switch-light on the P5 panel to the off position.
 S 215-040 (12) Make sure that the ON flowbar on the L FWD PUMPS switch-light goes off.

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757
MAINTENANCE MANUAL

 S 865-041
 (13)
 Open this circuit breaker on the P6 panel and attach DO-NOT-CLOSE tag:

 (a)
6H23, L FWD FUEL BOOST PUMP

 S 865-042
 (14)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:

 (a)
6H17, R FWD FUEL BOOST PUMP

 S 865-043
 (15)
 Push the R FWD PUMPS switch-light of the fuel management control on the P5 panel to the ON position.

 S 215-044

 (16)
 Make sure that the ON flowbar on the R FWD PUMPS switch-light comes

 on. ú (a) If the R FWD PUMPS PRESS light stays on, push the R FWD PUMPS ú switch-light to the off position.
 S 285-045
 (17)
 Listen at the front spar, aft of the leading edge slat No. 5, to make sure the right forward fuel boost pump operates.

 S 865-046

 (18)
 Push the R FWD PUMPS switch-light on the P5 panel to the off position.

 S 215-047

 (19)
 Make sure that the ON flowbar on the R FWD PUMPS switch-light goes off.

 S 865-048

 (20)
 Open this circuit breaker on the P6 panel and attach DO-NOT-CLOSE tag:

 (a)
6H17, R FWD FUEL BOOST PUMP
　
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