TM 1-1510-224-10
GRAVITY FEED
FUEL FLOW
SUCTION
LIFT
NOTE
IF AN ENGINE DRIVEN BOOST
PUMP FAILS, PRESSURE CAN
BE MAINTAINED BY PLACING
THE
RESPECTIVE
STANDBY
PUMP SWITCH TO ON.
NOTE
THE ENGINE-DRIVEN PRIMARY
(HIGH PRESSURE) FUEL PUMP
IS LIMITED TO 10 HOURS OF
OPERATION, THROUGHOUT ITS
TBO
PERIOD,
WITHOUT
STANDBY
FUEL
PUMP
OR
ENGINE-DRIVEN BOOST PUMP
FUEL PRESSURE.
NOTE
THE SYSTEM WILL SUCTION
LIFT
FUEL
ONLY
TO
ITS
RESPECTIVE ENGINE DRIVEN
BOOST PUMP, I.E., LEFT OR
RIGHT. FUEL WILL NOT
GRAVITY FEED THROUGH THE
CROSSFEED SYSTEM.
FE02D
980395AA C
Figure 2-22. Gravity Feed Fuel Flow
2-46
