S 434-132
(14)
Install the lockwire on the mounting screws (12).
S 764-166
(15)
FUEL BOOST PUMP 60B92404-5, -6 0R -7;FUEL OVERRIDE PUMP 60B89004-8, -10 OR -12; Do the Fuel Pumps - Insulation Resistance Check (AMM 28-22-00/601).
NOTE: This insulation resistance check must be done on-wing each
____
time you install a new or servicable fuel pump.
S 434-038
(16)
Connect the electrical connector (13) to the motor impeller (11).
S 654-039
(17)
Refuel the center or main fuel tanks (AMM 12-11-01/301).
(a)
For the forward fuel boost pumps, refuel the main fuel tanks to 2,000 lbs (900 kgs) minimum.
(b)
For the aft fuel boost pumps, refuel the main fuel tanks to 2,000 lbs (900 kgs) minimum.
(c)
For the fuel override pumps, refuel the center fuel tank to 20,000 lbs (9,000 kgs) minimum.
S 214-038
(18)
Make sure there are no fuel leaks at the fuel boost pump or fuel override pump.
S 864-040
(19)
Close this circuit breaker on the P6 panel and remove the DO-NOT-CLOSE tag:
(a)
For the left aft fuel boost pump,
6H15, L AFT FUEL BOOST PUMP
(b)
For the left forward fuel boost pump,
6H23, L FWD FUEL BOOST PUMP
(c)
For the left fuel override pump,
6F14, L FUEL OVRD PUMP
(d)
For the right aft fuel boost pump,
6H20, R AFT FUEL BOOST PUMP
(e)
For the right forward fuel boost pump,
6H17, R FWD FUEL BOOST PUMP
(f)
For the right fuel override pump,
6F20, R FUEL OVRD PUMP
(20)
Supply electrical power (AMM 24-22-00/201).
S 864-041
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-22-03
ALL ú ú 06.1 Page 418 ú Sep 28/02
A
757
MAINTENANCE MANUAL
S 864-165
(21) Make sure these valves are closed:
NOTE: If you do this test with these valves open (for example____
during a fuel transfer operation), it is possible that the
low pressure indicating light will not go off when you
operate the pump.
(a) The engine fuel shutoff valve for the No. 1 tank
(b) The engine fuel shutoff valve for the No. 2 tank
(c) The crossfeed valve
(d) The defuel valve
中國航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護(hù)手冊 燃油 CHAPTER 28 - FUEL 3(53)
