Worn : 0.5 mm (0.020 in)

SPROCKET

The damaged sprocket will cause premature damage or wear of saw chain.

-When the sprocket has worn out 0.5 mm (0.020 in) or more, replace it.

Check sprocket when you install new chain. Replace it if worn.

Groove

Oil hole

GUIDE BAR

Clean before using.

-Clean the groove of the guide bar with, for example, a small screwdriver.

-Clean oil holes with a wire.

Clean sprocket, clutch and bar mount area before installation of bar.

 

SETTING THE SAW CHAIN

 

 

 

 

 

Preset tie strap

 

Drive link

Left hand cutter

 

 

 

Top plate

Tie strap

 

Side plate

 

 

 

Guard link

Depth guage

Right hand cutter

 

Important points for proper maintenance of saw

 

chain:

 

Keep the cutters sharp at all times.

 

Keep the left and the right cutters properly

 

aligned.

 

- Note that blunt or irregular cutters will result in

 

poor cutting performance, increased vibration

 

of chains and premature breakage of the saw

 

chain.

 

Drive link serves to remove sawdust from the

Sharpen lower edge

groove of the guide bar.

 

Therefore, keep the lower edge of the drive link,

 

indicated by the arrow, sharp.

 

20