DD15 Troubleshooting

Section 11.6 Inoperative Thermo-Modulated Fan

Section 11.6
Inoperative Thermo-Modulated Fan

Check as follows:‪

  1. Test the thermo-modulated fan; refer to OEM guidelines.
  2. If the thermo-modulated fan is functioning correctly, check thermostats; refer to "11.7 Faulty Thermostat" .
  3. If the thermo-modulated fan is not functioning correctly, replace inoperative thermo-modulated fan; refer to OEM guidelines.
    warning

    ENGINE EXHAUST

    To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.‪

  4. Start and run the engine.
  5. Run the engine through its operating range with no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range.
    1. If the engine coolant temperature is 85-95°C (185-203°F), no further troubleshooting is required. Shut down the engine.
    2. If the engine coolant temperature is above 85-95°C (185-203°F), shut down the engine. Check thermostats; refer to "11.7 Faulty Thermostat" .


EPA07 DD15 Troubleshooting Guide - DDC-SVC-MAN-0029
Generated on 10-13-2008

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