MAINTENANCE
113
Engine
–
Starts up but switches off immediately
Cause
Solution
No fuel in tank
Refuel.
Starter motor charged
Check the presence of external loads due to faulty auxiliaries.
Suction or discharge system obstructed
Visually inspect the suction and discharge, and remove any
obstructions present.
Replace the air filter if necessary
Fuel priming pump defective
Check to make sure the pump provides the flow rate suitable
for the high pressure pump. Check the electrical connections.
Fuel frozen
Use fuels suitable for low temperatures
Air in the fuel
Check the absence of air returning to the circuit
Fuel dirty or non conforming
SWITCH THE ENGINE OFF.
Replace the fuel filters.
Run the engine with correct fuel.
Fuel supply obstructed
Check for blockage along the line.
Check the state of the filters and replace if necessary.
Fuel return line blocked
Check to make sure the line is clear and connected to the
upper part of the tank
ECU or sensors fault
Check the electrical connections.
Engine
–
irregular operation
Cause
Solution
Engine cold, or coolant temperature sensor fault
Check the sensor electrical connection.
Check the working of the sensor.
Leakage in fuel circuit
Replace the defective connections.
DO NOT try to carry out repairs.
Air in the fuel
Check the absence of air returning to the circuit
Fuel priming pump defective
Check to make sure the pump provides the flow rate suitable
for the high pressure pump. Check the electrical connections.
Fuel supply obstructed
Check for blockage along the line.
Check the state of the filters and replace if necessary.
Fuel dirty or non conforming
SWITCH THE ENGINE OFF.
Replace the fuel filters.
Run the engine with correct fuel.
Summary of Contents for RTH 4.18
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Page 27: ...SECTION ON PRODUCT INFORMATION 27 DIMENSIONS RTH 4 18 RTH 5 18 ...
Page 28: ...28 SECTION ON PRODUCT INFORMATION RTH 5 21 RTH 5 23 ...
Page 29: ...SECTION ON PRODUCT INFORMATION 29 RTH 5 25 RTH 6 21 ...
Page 30: ...30 SECTION ON PRODUCT INFORMATION RTH 6 23 RTH 6 25 ...
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