Dispose of the old oil properly at a recycling center, as it is hazardous to the environment and should never be poured down drains or thrown in the trash. The oil should fall between the "Min" and "Max" markers.
Tighten Drain Plug to Proper Specifications Mower
Afterward, check underneath the mower for any signs of leaks from the drain plug or filter. Adding Fresh Oil With the old oil drained and the filter replaced, you are ready to add fresh oil.
Screw the new filter onto the engine by hand, tightening it securely—usually about three-quarters of a turn past hand tight—to ensure a proper seal. Additionally, prepare an oil filter if your model uses one, a funnel, a drain pan, and a set of basic hand tools.
Tighten Drain Plug to Proper Specifications Securely
Checking the Oil Filter If your push mower is equipped with an oil filter, now is the time to address it before refilling the engine. Once the level is correct, replace the dipstick and secure the oil fill cap.
More About How to change oil in push mower
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