737 Flight Crew Operations Manual
Supplementary Procedures -
Fuel
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SP.12.2 D6-27370-866-EGP
2. Spar Fuel Shutoff Valve Operational Check During Engine
Start
Engine start lever (first engine) ....................................................... IDLE
Verify SPAR VALVE CLOSED light transitions from dim, to bright
and then extinguishes.
Engine start lever (second engine) .................................................. IDLE
Verify SPAR VALVE CLOSED light transitions from dim, to bright
and then extinguishes.
3. Spar Fuel Shutoff Valve Operational Check During Engine
Shutdown
Engine start lever (first engine) .................................................CUTOFF
Verify SPAR VALVE CLOSED light transitions from extinguished,
to bright and then dim.
Engine start lever (second engine) ............................................CUTOFF
Verify SPAR VALVE CLOSED light transitions from extinguished,
to bright and then dim.
Fuel Balancing
If an engine fuel leak is suspected:
Accomplish the Fuel Leak Engine checklist.
If the fuel IMBAL alert shows:
Accomplish the IMBAL checklist.
Maintain main tank No. 1 and No. 2 fuel balance within limitations.
Note: Fuel pump pressure should be supplied to the engines at all
times. At high altitude, without fuel pump pressure, thrust
deterioration or engine flameout may occur.
If the center tank contains fuel:
Center tank fuel pump switches ..............................................OFF
[Fuel CONFIG indication may be displayed with fuel in the
center tank.]
Crossfeed selector ................................................................. Open
Fuel pump switches (low tank) ...............................................OFF
March 31, 2016
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