Service Intervals
Servicing Your Machine
IMPORTANT: Avoid damage! Operating in extreme conditions may require more frequent service intervals:
• Engine components may become dirty or plugged when operating in extreme heat, dust or other severe conditions.
• Engine oil can degrade if machine is operated constantly at slow or low engine speeds or for frequent short periods of time.
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Please use the following timetables to perform routine maintenance on your machine.
Before Each Use
• Check hardware tightness.
• Fill tank with fresh fuel.
• Check engine oil level.
• Clean debris from around muffler, engine cooling fins, and engine cover.
• Clean debris from mower.
• Test safety systems.
Break In - After First 5 Hours of Operation
• Change engine oil.
Every 25 Hours or Once a Year
• Change engine oil.
• Replace oil filter (JS46).
• Clean air filter foam precleaner.
• Check air filter paper element, replace if very dirty.
• Check blade bolt for tightness.
• Clean drive belt and transmission area.
• Check drive belt for wear and tension.
Every 50 Hours or Once a Year
• Check spark arrestor (if equipped) and clean if necessary.
Every 100 Hours or Once a Year
• Replace spark plug.
• Replace air filter paper element.
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