Echo X750020201 User Manual download pdf (Page 28)

CS-352

GUIDE BAR

• Clean before using.

- Clean the groove of the guide bar with a small screw-

driver.

- 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 bar.

Replace either or both if worn.

SPROCKET

• A damaged sprocket will cause premature damage or

wear of saw chain.

- When the sprocket has worn out 0.5 mm (0.02 in.)

or more, replace it.

• Check sprocket when you install new chain. Replace it

if worn.

CYLINDER FINS

• Check periodically.

• Clogged ns will result in poor engine cooling.

• Remove dirt and dust from between ns to let cooling

air pass easily.

MUFFLER SPARK ARRESTOR

• Remove cylinder cover and remove spark plug lead.

• Remove spark arrestor screen cover and screen from

mufer body.

• Clean carbon deposits from mufer components.

• Replace screen if it is cracked, or has holes burned

through.

• Assemble components in reverse order.

NOTICE

Carbon deposits in mufer will cause drop in engine

output. Spark arrestor screen must be checked

periodically.

Worn : 0.5 mm (0.02 in.)

Groove

Oil hole

Cylinder ns

Spark arrestor screen

Mufer

Screen cover

Sprocket

Oil lter

Oil tank cap

OIL FILTER

• Check periodically.

• Do not allow dust to enter into oil tank.

• A clogged oil lter will affect the normal lubricating

system.

• Pull it out through oil lling hole with a piece of steel

wire or the like.

• If the lter is dirty, wash it in gasoline or replace it.

• When the inside of the tank gets dirty, rinsing the

tank out with gasoline can clean it.

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Echo X750020201 User Manual Page 28

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