Maintenance
■ MAINTENANCE CHART
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| every | every | every |
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| 25 | 50 | 100 |
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system/compornent | procedure | before | hours | hours | hours | note |
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| use | after | after | after |
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fuel leaks, fuel spillage | wipe out | ✔ |
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fuel tank, air filter, fuel filter | inspect/clean | ✔ | ✔ |
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| replace, if necessary |
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idle adjusting screw | see ■ADJUSTING | ✔ |
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| replace carburetor |
IDLING SPEED (p.10) |
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| if necessary | ||
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spark plug | clean and readjust |
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| GAP: .025in(0.6~0.7mm) |
plug gap |
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| replace, if necessary | ||
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cylinder fins, intake air cooling vent | clean |
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muffler, spark arrester, cylinder exhaust port | clean |
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throttle lever, ignition switch | check operation | ✔ |
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screws/nuts/bolts | tighten/replace | ✔ |
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| ✔ | not adjusting screws |
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WARNING
•Make sure that the engine has stopped and is cool before performing any service to the blower. Contact with rotating blower fan or hot muffler may result in a personal injury.
■AIR CLEANER
•Check the air cleaner every 25 hours of use or more frequently if used under dusty conditions. A clogged air filter may increase fuel consumption while cutting down the engine power. Never operate the blower without the air filter or with a deformed filter element because unfiltered dusty air will quickly ruin the engine.
CLEANING AIR FILTER:
1.Remove the air cleaner cover by pulling the tab on bottom and take out the filter element.
2.Use neutral detergent and warm water to clean the filter element. After cleaning, air dry the element completely. Place the filter element into the air cleaner housing and press the cover against the housing until it clicks. Never forget to attach the screen. If the screen is not attached, the cleaner will not seal properly and the dusts come into the cylinder.