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Spark plug cover
Release the spark plug cover latch with T-wrench.
Inspect the spark plug, clean or replace if damaged.
Reinstall the spark plug and cover, engage latch with T-wrench.
Guide bar
Clean before using.
- Clean the groove of the guide bar with a small screw driver, for example.
- Clean oil holes with a wire.
Reverse guide bar periodically.
Check sprocket and the clutch and clean the bar mount area before installation of the guide
bar.
Replace either or both if worn.
Sprocket / Clutch drum
∗ Worn out: 0.5 mm
The damaged sprocket will cause premature damage or wear of saw chain.
- When the sprocket has worn out 0.5 mm or more, replace it.
Check sprocket when you install new chain.
Replace it if worn.
Check clutch drum, if it rotates freely and smoothly.
If not, ask your dealer for repair.
Carburettor
1. Spark plug cover 2. Spark plug cover latch 3. T-wrench
NOTE
When replacing guide bar or saw chain, ask your ECHO dealer.
1. Groove 2. Oil hole 3. Guide bar 4. Sprocket
CAUTION
Idling speed is adjusted automatically.
Do not adjust idle speed adjuster (T).
When there is a trouble with the carburettor, such as running saw chain at idling
speed, stop using the chain saw and contact your dealer.