613C Series II Wheel Tractor-Scraper Caterpillar

Illustration 1	g00602469

The engine crankcase breather is located on top of the engine. The engine crankcase breather is on the left side of the engine.

1. Open the engine compartment access door.

2. Loosen the breather outlet hose clamp. Remove the hose from the breather cover.

3. Remove the bolt that is on top of the breather. Remove the engine crankcase breather.

4. Check the condition of the breather seal. Replace the seal if the seal is damaged.

5. Wash the breather in a clean nonflammable solvent.

6. Shake the breather until the breather is dry. You may also use pressure air to dry the breather.

7. Check the condition of the hose. Replace the hose if the hose is damaged.

8. Install the breather. Install the retaining bolt.

9. Install the hose and the breather outlet hose clamp.

10. Close the engine compartment access door.