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Caterpillar C15 Industrial Engine — Fuel Tank Water and Sediment - Drain

Maintenance

For the Caterpillar C15 Industrial Engine, from the Caterpillar owner's manual.

Applies to: Caterpillar C1.5 engine

Before you start

  • Care must be taken to ensure that fluids are contained during inspection, maintenance, testing, adjusting, and repair.

Procedure

  1. Open the drain valve on the bottom of the fuel tank to drain water and sediment. Close the drain valve.
  2. Check the fuel daily. Drain water and sediment after operating the engine or after the fuel tank has been filled. Allow five to ten minutes before performing this procedure.
  3. Fill the fuel tank after operating the engine to drive out moist air. Do not fill the tank to the top.
  4. For fuel storage tanks: drain water and sediment weekly, at oil change, and at refill of the tank.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • A 4 micron filter for the breather vent on the fuel tank is recommended

Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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