Swisher ZT20050, ZT13536, ZT17542B Lawn Mower User Manual


 
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.
MAINTENANCE SCHEDULE
12