TM 55-1520-240-23-8
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BLEEDING FUEL SYSTEM
(Continued)
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33.
Manually set levers (32 and 33) of engine fuel
shutoff valves (34 and 35) to OPEN position.
34.
In cockpit set four MAIN TANK FUEL PUMP
switches (36 and 37) to ON. Set APU switch (38)
to START.
35.
Check three fuel hose connectors, (one on each
engine, one on APU) for fuel leakage.
36.
In cockpit, set four MAIN TANK FUEL PUMP
switches (36 and 37) to OFF. Set APU switch
(38) to OFF.
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