8. Maintenance
Maintenance, replacement, or repair of the emission control device and systems may be performed by any
■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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ENGINE | idle adjusting screw | see ■ADJUSTING | ✔ |
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| replace carburetor |
IDLING SPEED (p.15) |
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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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| cutting parts | replace if | ✔ |
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SHAFT | something's wrong |
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gear case | grease |
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screws/nuts/bolts | tighten/replace | ✔ |
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| ✔ | not adjusting screws | |
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| blade guard | make sure to attach | ✔ |
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