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Stopping the engine immediately after it has been working under load can result in overheating and accelerated wear of the engine components. If the engine has been operating at high rpm and/or high loads, run at low idle for at least three minutes to reduce and stabilize internal engine temperature before stopping the engine. Avoiding hot engine shutdowns will maximize turbocharger shaft and bearing life. |
Prior to stopping an engine that is being operated at low loads, operate the engine at low idle for 30 seconds before stopping. If the engine has been operating at highway speeds and/or at high loads, operate the engine at low idle for at least three minutes. This procedure will cause the internal engine temperature to be reduced and stabilized.
Ensure that the engine stopping procedure is understood. Stop the engine according to the shutoff system on the vehicle or refer to the instructions that are provided by the OEM of the vehicle.
- To stop the engine, turn the ignition key switch to the OFF position.
- Check the crankcase oil level. Maintain the oil level between the "ADD" mark and the "FULL" mark on the oil level gauge.
- If necessary, perform minor adjustments. Repair any leaks and tighten any loose bolts.
- Note the service hour meter reading. Perform the maintenance that is in the Operation and Maintenance Manual, "Maintenance Interval Schedule".
- Fill the fuel tank in order to help prevent accumulation of moisture in the fuel. Do not overfill the fuel tank.
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Use only antifreeze/coolant mixtures that are recommended in the Operation and Maintenance Manual, "Refill Capacities and Recommendations". Failure to do so can cause engine damage. For additional information refer to Special Publication, SEBU6385, "Caterpillar On-highway Diesel Truck Engine Fluid Recommendations". |
- Allow the engine to cool. Check the coolant level. Maintain the cooling system at
13 mm (.5 inch) from the bottom of the pipe for filling. - If freezing temperatures are expected, check the coolant for proper antifreeze protection. The cooling system must be protected against freezing to the lowest expected outside temperature. Add the proper coolant/water mixture, if necessary.
- Perform all required periodic maintenance on all driven equipment. This maintenance is outlined in the instructions from the OEM.