9. 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.21) |
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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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SHAFT | throttle lever, ignition switch | check operation | ✔ |
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gear case | grease |
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screws/nuts/bolts | tighten/replace | ✔ |
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UNIT | oiling port | clean | ✔ |
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guide bar | clean | ✔ |
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CUTTING |
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sprocket | inspect/replace |
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saw chain | inspect/sharp | ✔ |
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MA1
(1)
MA2
MA3
■OILING PORT
Dismount the guide bar and check the oiling port for clogging. (MA1)
(1) Oiling port
■GUIDE BAR
Remove sawdust in the bar groove and the oiling port. (MA2)
(1)Groove
(2)Oiling port
(Type: Sprocket nose)
Grease the nose sprocket from the feeding port on the tip of the bar. (MA3)
(1)Grease port
(2)Sprocket
