- Loosen the cable tie securing the oil drain pipe.
- Place the oil drain pipe at the lowest position of the cutting disc and pass it out from the gap between the tracks.
- Take an empty engine oil bottle and place it at an angle, then insert the oil drain pipe into the empty engine oil bottle.
- Loosen and remove the engine oil cap.
- Turn the oil drain valve 90 degrees counterclockwise to open the engine oil drain valve at the bottom of the engine and begin draining the oil.
- Wait for several minutes to drain the oil (about 10 minutes at normal temperature, depending on the ambient temperature).
- Take a towel, tissue or bag and place it directly under the oil filter to collect the spilled oil.
- Use the oil filter wrench to loosen the oil filter housing by turning it counterclockwise.
- Remove the oil filter manually.
- Take a new oil filter and apply a circle of oil on the rubber ring of the oil filter.
- Install the new oil filter by turning it clockwise.
- Use the oil filter wrench to rotate the oil filter housing clockwise to lock it.
- Turn the oil drain valve at the bottom of the engine 90 degrees clockwise to close it.
- Pull back the oil drain pipe and fix it in the designated position.
- Add new special engine oil (if there is no engine oil in the engine, add 3L).
- Use the dipstick to measure the amount of engine oil added and make sure it is within the specified range.