0.5 mm
Stiff wire
Groove
Sprocket
Oil hole | Grease gun | Clutch drum |
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.
•When you use sprocket nose guide bar, check nose sprocket to see if it rotates freely or needs grease. Worn guide bar shuld be replaced. Injection of grease into the sprocket using grease gun.
•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.
NOTE
When replacing guide bar or saw chain, ask your ECHO dealer.
Oil adjusting screw
INCREASE
Stop fin
DECREASE
AUTOMATIC OILER
•The discharge volume of the automatic oiler is adjusted to 10 mL/min approximately at 7,000 r/min, prior to shipment from factory.
-To increase the delivery volume, turn the adjusting screw clockwise.
When the adjusting screw touches stopper and stops, this position indicates maximum discharge volume. (23 mL/min at 7,000 r/min)
-Do not turn the adjusting screw beyond the maximum or minimum limit of volume adjustment.
SPROCKET
•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.
0.6 to 0.7 mm
SPARK PLUG
•Check periodically.
-The standard spark gap is 0.6 to 0.7 mm.
-Correct the spark gap if it is wider or narrower than the standard gap.
•Fastening torque: 15 to 17 N·m (150 to 170 kgf·cm)
SILENCER
•Clean deposits from silencer.
NOTE
Recommend removal of silencer be done by the Dealer. Because they need thread locking sealant with special torques when assembling.
CYLINDER FINS
•Check periodically.
•Clogged fins will result in poor engine cooling.
•Remove dirt and dust from between fins to let cooling air pass easily.
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