(Table 102, contd)
2. Fuel Shut-off Valves
A. Check the position of any fuel shut-off valves in the feed lines
between the fuel tank and the engine.
B. Check the position of any fuel shut-off valves in the return lines
between the engine and the fuel tank.
Fuel valves Result: A fuel shut-off valve is not fully open.
Repair: Move all shut-off valves to the fully open position.
Result: All shut-off valves are in the fully open position.
Proceed to Test Step 3.
3. Fuel Level in Tank
Note: If the level in the fuel tank is low, the hot return fuel can
raise the temperature in the fuel tank.
A. Check the fuel level in the tank.
Fuel level Result: The fuel level in the tank is low.
Repair: Replenish the fuel tank at the earliest opportunity.
Result: The fuel level in the tank is OK.
Proceed to Test Step 4.
4. Return Fuel Cooler
A. Check that the fins on the return fuel cooler are not blocked
with dirt or debris. Make sure that the fins are not bent or
missing.
Return fuel
cooler
Result: The fins on the return fuel cooler are blocked with
dirt or debris.
Repair: Clean the return fuel cooler.
Result: The fins on the return fuel cooler are bent or
missing.
Repair: Install a replacement return fuel cooler.
Result: The return fuel cooler is OK.
Proceed to Test Step 5.
5. Return Fuel Lines
A. Check the return fuel lines for blockages or restrictions.
Return fuel lines Result: A return fuel line is blocked or restricted.
Repair: Clear the fuel line or replace the line.
Result: The return fuel lines are OK.
Proceed to Test Step 6.
6. Location of the Fuel Tank
A. Make sure that the fuel tank is not close to a heat source.
Fuel tank
location
Result: The fuel tank is close to a heat source.
Repair: Shield the fuel tank from the heat source.
Result: The fuel tank is not close to a heat source.
Contact the Dealer Solutions Network (DSN).
204 UENR4469-36
Symptom Troubleshooting
Copyright of Perkins Engine Company Limited. NOT FOR REPRINTING OR RESALE
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