TM 55-1520-240-T
10-2.3 FUEL BOOST PUMP SYSTEM OPERATIONAL CHECK (Continued)
10-2.3
31.
32.
Set RIGHT SIDE FWD AUX FUEL PUMP
switch (28) to ON. Have helper standby
right side fwd aux tank and listen for opera-
tion of boost pump.
Set RIGHT SIDE AFT AUX FUEL PUMP
switch (27) to ON. Have helper standby
right side aft aux tank and listen for operation
of boost pump.
AUX PRESS light (18) will go out. If not, go. to
task 10-2.29.
Fuel will transfer from RIGHT SIDE FWD AUX
tank to RIGHT SIDE MAIN TANK. AUX PRESS
light (18) will come on when RIGHT SIDE FWD
AUX tank is depleted. The fuel pump will shut off
automatically. If fuel pump continues running after
AUX PRESS light comes on and tank is empty,
replace right side thermistor control box.
AUX PRESS light (18) will go out. If not, go to
task 10-2.28.
Fuel will transfer from RIGHT SIDE AFT AUX tank
to RIGHT SIDE MAIN TANK. AUX PRESS light
(18) will come on when RIGHT SIDE AFT AUX
tank is depleted. The fuel pump will shutoff auto-
matically. If fuel pump continues running after
AUX PRESS light comes on and tank is empty,
replace right side thermistor control box.
TASK
RESULT
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Change 3
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