Usage:
All Caterpillar Built Machines Powered By 3500 Engines
Fuel quality is critical to the performance and the service life of the engine. Water in the fuel can cause excessive fuel system wear. Condensation occurs during the heating and cooling of fuel. The condensation occurs as the fuel passes through the fuel system and the fuel returns to the fuel tank. This causes water to accumulate in the fuel tank. Draining the fuel regularly and obtaining fuel from reliable sources can help to eliminate water from the fuel.
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Care must be used in order to ensure that the fluids are contained during the inspection, maintenance, testing, adjusting, and repair of the engine. Make provision to collect the fluid with a suitable container before any compartment is opened or before any component is disassembled. Refer to the Special Publication, NENG2500. This publication explains the items that are needed for collecting and containing fluids that are used in Caterpillar engines. Dispose of fluids according to local regulations.
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Drain water and sediment from the fuel tank every 10 service hours or daily. Use a suitable container for collecting the contaminated fuel. Open the drain valve for the fuel tank in order to allow contaminated fuel to drain into the container. Close the drain valve.
Inspect the fuel in the container. Water will be visible as a separate layer below the fuel. Sediment will be seen floating in the water and/or in the fuel.
If no water and/or sediment is observed, proceed with normal operation. Otherwise, repeat the draining procedure until all traces of water and sediment have been removed.
NOTE: For the location of the drain valve for the fuel tank, see the Operation and Maintenance Manual for the machine.