TB 9-6115-641-13
OVERHEATING
NOT OK
ADD COOLANT AS
REQUIRED (REFER TO TM
CHECK COOLANT LEVEL
9-6115-641-24)
OK
NOT OK
MEASURE CONTINUITY OF
NOTIFY NEXT HIGHER LEVEL
WIRING TO COOLANT
OF MAINTENANCE TO REPAIR
PUMP
OR REPLACE WIRING
OK
NOTIFY NEXT HIGHER LEVEL
TEST FOR POWER AT
NOT OK
OF MAINTENANCE TO REPAIR
WIRING CONNECTION TO
OR REPLACE WIRING
COOLANT PUMP
OK
REPLACE PUMP
NOT OK
DOES COOLANT PUMP
RUN?
OK
NOTIFY NEXT HIGHER
LEVEL OF MAINTENANCE
TO REPAIR OR REPLACE
WIRING
FLAME SENSOR SHORT
CIRCUIT
REPLACE HEATER
