How to Change Engine Oil and Filter for Caterpillar 72H

Here is an instruction show you guide on how to change engine oil and filter for Caterpillar 72H pipelayer.

Preparations:

Caterpillar CAT ET 2022A Diagnostic Software

CAT 3 317-7485 Adapter


Procedures:
1. Remove the bolt in order to remove the crankcase drain access cover, which is in the
crankcase guard.


2. Install a drain hose (not shown) onto drain valve elbow (3).


3. Open shutoff valve (2). Allow the oil to drain into a suitable container.
4. When the oil has completed draining from the crankcase, close shutoff valve (2). Remove the hose. Install the crankcase drain access cover in the crankcase guard.

5. Open the engine access door on the right side of the machine.
6. Clean the area around engine oil filter (2) before you remove the engine oil filter. Remove the engine oil filter with a strap type wrench.

7. Clean the base of the engine oil filter housing.
Make sure that all of the old filter gasket is removed.
8. Apply a thin coat of oil to the seal on the new filter.
9. Install the new engine oil filter by hand until the seal of the engine oil filter contacts the base.
Note the position of the index marks on the filter in relation to a fixed point on the filter base.
Note: There are rotation index marks on the engine oil filter that are spaced 90 degrees or 1/4 of a turn away from each other. When you tighten the engine oil filter, use the rotation index marks as a guide.
10. Tighten the filter according to the instructions that are printed on the filter. Use the index marks as a guide. For non-Cat filters, use the instructions that are provided with the filter.
Note: You may need to use a Cat strap wrench, or another suitable tool, in order to turn the filter to the amount that is required for final installation. Make sure that the installation tool does not damage the filter.

11. Open the left engine access door.
12. Clean the area around oil filler cap (4) before your emove the oil filler cap. Clean the area around oil level gauge (5) before you remove the oil level gauge. Remove the oil filler cap. Fill the crankcase with new oil. See the topic Operation and Maintenance Manual, “Refill Capacities” and“Lubricant Viscosities” in this manual.
13. Clean oil filler cap (4) and install oil filler cap (4).
14. Start the engine and allow the oil to warm.
Check the engine for leaks.
15. Check the oil level. If necessary, add oil. To ensure that the correct amount of oil was added,always measure the oil level with the engine oil dipstick (5). Refer to Operation and Maintenance Manual, “Engine Oil Level - Check” for more
information.https://www.car-auto-repair.com
16. Stop the engine. Close the engine access doors.

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