TB 9-6115-641-13
FLAME CUTOUT - LOW
NOT OK
CHECK FUEL LEVEL
ADD FUEL
OK
NOT OK
CHECK FOR OPERATION
REPLACE FUEL PUMP
OF FUEL PUMP
OK
NOT OK
CHECK VOLTAGE AT C5
REPLACE CONTROL UNIT
ON BLOWER CONTROL
UNIT
FLAME CUTOUT - HIGH
NOT OK
CHECK FUEL LEVEL
ADD FUEL
OK
CHECK FOR VAPOR LOCK
NOT OK
MAKE SURE FULE LINE IS
IN FUEL LINE
NOT TOUCHING HOT
ENGINE SURFACES
OK
REPLACE HEATER