S 215-370

 (29)
 Make sure the ON flow bar on the FUEL XFEED VALVE - FWD switch-light comes on.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-22-00
 ALL  ú ú 26 Page 514 ú Sep 20/94

A
757
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.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-22-00
 ALL  ú ú 13 Page 515 ú Sep 20/98

A

757
MAINTENANCE MANUAL

 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:
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 2(116)