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Caterpillar C15 / C15 Generator Set — Engine Crankcase Breather - Clean

Maintenance

For the Caterpillar C15 / C15 Generator Set, from the Caterpillar owner's manual.

Applies to: Caterpillar C15, Caterpillar C1.5 engine

Before you start

  • Perform this maintenance with the engine stopped.

Procedure

  1. Remove the six bolts that attach the valve cover to the engine. Remove the valve cover.
  2. Loosen the clamp that attaches the breather hose to the breather assembly. Remove the breather assembly.
  3. Check the condition of the seal. Replace the seal if the seal is damaged.
  4. Remove both breather elements. Wash the elements and the breather in clean nonflammable solvent.
  5. Shake the breather elements until dry, or use pressurized air.
  6. Install the elements into the breather and install the breather assembly onto the engine.
  7. Install the hose onto the access for the breather and tighten the clamp. Install the valve cover and six bolts.

Specs & values

  • Consult Specifications, SENR3130, Torque Specifications for the hose clamp and the bolts.

Full service-parts list: Caterpillar C15 →

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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