28-22-03
ALL ú ú 03.1 Page 411 ú Sep 28/02
A
757
MAINTENANCE MANUAL
S 864-083
(28)
Push the applicable fuel boost pump or fuel override pump switch-light to the off position.
S 284-084
(29)
Listen and make sure the applicable fuel boost pump or fuel override pump does not operate.
S 214-085
(30)
For the fuel boost pumps, make sure the applicable PRESS light comes on.
S 714-119
(31)
GUN 104-999;
Do the steps that follow:
(a)
Do the Operational Test for the hydraulic motor generator (AMM 24-25-00/501) to supply power for the right fuel override pump.
(b)
Close the fueling station door, 621GB, on the right wing
leading edge. ú (c) Push the RIGHT C PUMPS switch-light to the on position. ú ú NOTE:____Someone must be in the flight compartment when you ú operate the right center override pump to continuously ú monitor for the PRESS light. ú ú 1) Push the RIGHT C PUMPS switch-light to the off position if ú the PRESS light stays on.
(d)
Listen at the right inboard rear spar and make sure the right fuel override pump operates.
(e)
Push the RIGHT C PUMPS switch-light to the off position.
(f)
Remove the hydraulic motor generator power.
S 414-156
(32) For the forward fuel boost pumps, install the applicable left or right access panel, 511FB or 611FB (AMM 06-44-00/201).
S 864-086
WARNING:_______DO THE ACTIVATION PROCEDURE FOR THE LEADING EDGE SLATS. THE SLATS CAN MOVE QUICKLY AND CAUSE INJURY TO PERSONS.
(33)
Do the activation procedure for the leading edge slats (AMM 27-81-00/201).
(34)
Remove electrical power if is not necessary (AMM 24-22-00/201).
S 864-022
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-22-03
ALL ú ú 04.1 Page 412 ú Sep 28/02
A
757 MAINTENANCE MANUAL
TASK 28-22-03-004-027
4. Remove the Motor Impeller (Fig. 401)_________________________
A. Equipment
(1)
Container - 1 quart capacity to drain the pump,
(2)
MS35275-250 - Screws (2), Motor/Impeller retention
(3)
Fuel Boost Pump Puller - B28003-1
B.
References
(1)
AMM 06-44-00/201, Wings (Major Zones 500 and 600) Access Doors and Panels
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(48)
