S 215-370
(29)
Make sure the ON flow bar on the FUEL XFEED VALVE - FWD switch-light comes on.
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MAINTENANCE MANUAL
S 215-371
(30) Make sure the manual override handle for the FUEL CROSSFEED VALVE -FWD is in the open position.
NOTE: The actuator for the forward fuel crossfeed valve is
____
installed on the rear spar at RBL 4.
S 865-372
(31)
Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
(a)
11A19, FWD FUEL CROSSFEED
S 035-373
(32) Remove the electrical connector (D7734) from the actuator for the FUEL CROSSFEED VALVE - FWD.
NOTE: The actuator for the forward fuel crossfeed valve is
____
installed on the rear spar at RBL 4.
S 865-374
(33)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the overhead circuit breaker panel, P11:
(a)
11A19, FWD FUEL CROSSFEED
S 215-375
(34)
Make sure the FUEL XFEED VALVE - FWD switch-light on the P5 panel is on.
S 865-376
(35)
Close this circuit breaker on the P11 panel:
(a)
11D36, FUEL XFEED IND
S 215-377
(36)
Make sure these EICAS messages show on the EICAS display:
(a)
L FUEL SYS PRESS
(b)
R FWD FUEL PUMP
(c)
R AFT FUEL PUMP
(d)
FWD FUEL X-FEED
S 865-378
(37)
Push the FUEL XFEED VALVE - AFT switch-light on the P5 panel to the on position.
S 215-379
(38)
Make sure the ON flow bar on the FUEL XFEED VALVE - AFT switch-light is on.
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S 215-380
(39)
Make sure the FUEL XFEED VALVE - AFT switch-light on the P5 panel comes on while the valve moves to open for 6 seconds and then goes off.
S 865-381
(40)
Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 2(116)
