Maintenance
Note:
Determine the left and right sides of the machine from the normal operating position.
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
Maintenance Procedure
After the first 8 hours
• Change the engine oil and the oil filter.
After the first 25 hours
• Tighten any loose fasteners.
Before each use or daily
• Check the engine-oil level.
• Inspect the mower blades for wear or damage.
• Remove grass clippings and dirt from under the housing.
• Check the stopping time of the blade brake. The blade must stop within 3 seconds
of releasing the blade-control bar; if it does not, contact an Authorized Service
Dealer for repair.
• Check for loose or missing fasteners on the engine.
• Check for fuel or oil leaks.
• Check or clean the recoil starter and the air-intake screen.
Every 25 hours
• Clean the foam pre-cleaner (more frequently in dusty conditions).
Every 50 hours
• Sharpen or replace the blade. Maintain it more frequently if the edge dulls quickly in
rough or in sandy conditions.
• Remove grass clippings and debris from under the belt cover.
• Clean the blade-brake-clutch shield.
Every 100 hours
• Change the engine oil.
• Inspect, clean, and adjust the spark plug gap; replace the spark plug if necessary.
• Tighten any loose fasteners.
• Check or clean the recoil starter and the air-intake screen.
Every 200 hours
• Change the engine-oil filter.
• Have an authorized engine servicing dealer check for leaks in the fuel system and/or
a deteriorating fuel hose. Replace parts if necessary.
Every 300 hours
• Replace the paper air filter (more frequently in dusty conditions).
• Clean the cylinder and the cylinder-head fins.
• Have an authorized engine servicing dealer check and adjust the engine idle speed.
• Have an authorized engine servicing dealer clean the combustion chamber.
• Have an authorized engine servicing dealer check and adjust the valve clearance.
• Have an authorized engine servicing dealer clean and lap the valve seating surface.
Important:
Refer to your engine operator's manual for additional maintenance procedures.
CAUTION
If you leave the wire on the spark plug, someone could accidently start the engine and seriously injure
you or other bystanders.
Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside so that it does
not accidently contact the spark plug.
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