Specifications

SECTION V
ABNORMAL PROCEDURES
MODEL 560
LOW FUEL PRESSURE (LO FUEL PRESS L OR R CAUTION LIGHT ON)
1. FUEL BOOST Pump Switch- ON.
2. L or R BOOST and L or R FUEL CONTROL Circuit Breakers (LH panel) - CHECK IN.
3. Fuel Quantity - CHECK.
4. Fuel CROSSFEED Switch - AS REQUIRED.
LOW FUEL QUANTITY (LO FUEL LEVEL L OR R CAUTION LIGHT ON)
The illumination of this light serves notice to the pilot that a minimum of 180 ±20 pounds of fuel
remains in the respective tank.
1. Land as soon as possible.
FUEL BOOST PUMP ON (FUEL BOOST L OR R CAUTION LIGHT ON)
Indicates that the respective fuel boost pump was either automatically or manually turned on.
1. FUEL BOOST Pump Switch (affected pump) - ON; then NORM. CHECK for FUEL BOOST L or
R caution light to illuminate and extinguish.
If affected FUEL BOOST L or R caution light does not extinguish, refer to Abnormal Procedure, LOW
FUEL PRESSURE.
FUEL FILTER BYPASS (FUEL FLTR BP L OR R CAUTION LIGHT ON)
1. Land as soon as practical.
WARNING
IT IS POSSIBLE THAT CONTAMINATED FUEL COULD HAVE BEEN
INTRODUCED INTO ALL FUEL TANKS. MONITOR OPPOSITE ENGINE,
RESTRICT CROSSFEED AND CONSIDER POSSIBLE PARTIAL OR TOTAL LOSS
OF THRUST FROM BOTH ENGINES. INSPECT FILTERS AFTER LANDING.
2. Should both L and R caution lights illuminate, consider landing as soon as possible.
I 5-8 Configuration AL 56OMB-01