Fresh oil lubricates critical moving parts, reduces friction, dissipates heat, and carries away contaminants that accumulate during operation. Overfilling can cause oil to foam, which reduces lubrication effectiveness and may lead to smoke or damage.
Cool Engine Before You Begin the Oil Change
Never pour oil down drains or onto the ground, as it is harmful to the environment and violates regulations. Insert a funnel to prevent spills and pour in the recommended quantity and grade of oil, such as SAE 30 or 10W-30, as specified for your particular engine model.
Checking for Leaks and Proper Disposal After tightening the fill cap, start the engine and let it run for a minute or two while you inspect the drain plug and filter for any signs of leakage. Always perform this task on a level, stable surface to prevent the mower from tipping during the draining process.
Cool Engine Before Draining Old Oil
Locate the oil fill cap on top of the engine and remove it. Once fully removed, allow the oil to drain completely until the flow stops, which ensures that the majority of contaminants and degraded fuel are removed from the system.
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