Answer / Uttam Samajpati

Cleaning Lube Oil (LO) involves several steps to ensure proper maintenance of the engine. Here's a simplified process:

1. Draining the old oil: First, drain the existing oil from the sump using an oil pan or drain plug.

2. Cleaning the oil filter: Remove and replace the oil filter. Some filters can be cleaned and reused if they are not too worn.

3. Preparing the oil system: After draining and replacing the filter, prepare the oil system for new oil by priming it. This may involve running the engine for a few minutes with the oil pump running.

4. Filling the oil sump: Fill the oil sump with fresh oil of the appropriate viscosity and grade for your engine. Be sure to check the owner's manual for the correct type and amount of oil required.

5. Checking oil levels: Check the oil level after filling to ensure it is at the recommended level.

6. Running the engine: Finally, run the engine to circulate the new oil throughout the system.

1/x-1/y=1/3; 1/x^2+1/y^2=5/9

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