MAINTENANCE SCHEDULE

INSPECT EVERY 25 HOURS

-Lubrication: Grease all pivot points with a high temp grease

-Battery, check and clean: Keep battery terminals clean and tight. Periodic charging will extend its life. Clean terminals with a wire brush and coat with a petroleum jelly.

-Change engine oil and filter: Use only quality detergent oil. See engine manual for instructions. Select viscosity grade according to your expected environmental

temperature.

-Blades:Best results will come from sharp blades. Replace if bent, damaged or worn.

-Engine air screen: Screen must be clean and free of debris for proper engine cooling. Clean with a brush or cloth. Do not spray with pressurized water.

-Muffler: Inspect for damage or corrosion. Keep free of grass or debris to prevent fire.

INSPECT CHECK EVERY 100 HOURS

-Clean engine cooling fins: Clogged cooling fins can damage engine due to overheating.. Keep fins and external surfaces of the engine clean.

-Replace air filter: The engine will not run properly with a dirty or damaged air filter. Check filter before starting the engine. Check for buildup of dirt or debris. Replace if bent, clogged, or damaged. See engine manual for detailed instructions.

-Replace spark plugs: See engine manual for detailed instructions.

INSPECT EACH SEASON

-Belts:Check belts for wear and deterioration. See service and adjustments.

-Spark plug: See engine manual for detailed instructions.

-Replace in-line fuel filter: Replace every season.

INSPECT BEFORE STORAGE

-Change engine oil and filter: See engine manual for detailed instructions.

-Lubrication:Grease all pivot points with a high temp grease.

-Check battery: Keep battery terminals clean and tight. Periodic charging will extend its life. Clean terminals with a wire brush and coat with a petroleum

jelly.

-Loose fasteners: Be sure all fasteners are at proper torque, especially guards and blades.

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Swisher ZT20050, ZT1842, ZT17542B manual Inspect Every 25 Hours