At least once each year

Action	Date, mtr reading,
	stamp, sign

Clean the engine’s cooling air intake.

Replace the air cleaner’s pre-filter (foam).

Replace the air filter’s paper cartridge.

Change the engine oil.

Replace the engine oil filter

Check/adjust the cutting height

Check/adjust the parking brake

Clean/Change the spark plugs

Inspect spark plug

Check the engine valve clearance

Husqvarna MZ6128/966613103 warranty At least once each year