Learjet 36A - Page 187

l1(jliUBD~lf II~
FUEL PRESS UGHT IU.UMlNATED
mumination of a red FUEL PRESS light is an indication of loss of fuel pres-
sure to the engine. Probable cause is jet pump failure.
Affected Engine:
1. Thrust Lever - Retard.
2. STANDBY PUMP Switch - ON.
3. AIR IGN Switch - On.
4. CROSSFLOW Switch - CLOSE.
5. FUS TANK XFER.flLl Switch - OFF.
Fuselage fuel transfer deactivates the wing standby
pumps. The fuel in the fuselage tank wiD not be available
above 25,000 feet. Below 25,000 feet the engin~
en fuel pump wiD suction feed sufficient fuel to supply
the engine and fuselage fuel transfer can be accom-
plished. Replan flight accordingly.
6. FUS VALVE Switch (if installed ) - CLOSE.
7. JET PUMP Switch - ON for tip tank fuel transfer.
U FUEL PRESS Ught does not extinguish:
8. JET PUMP Switch - Off.
U FUEL PRESS light does not extinguish:
9. Descend to 25,000 feet or lower.
3-42
The engine-driven fuel pump wiD suction feed suffi:ient
fuel to supply the engine at altitudes of 25,000 feet or
below.
FAA APPROVED 4-30-76
REISSUED 2-25-81, CHANGE 10