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SETTING THE SAW CHAIN
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.
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.
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
groove of the guide bar.
Therefore, keep the lower edge of the drive link,
indicated by the arrow, sharp.
Worn : 0.5 mm (0.020 in)
Sharpen lower edge
Drive link
Tie strap
Right hand cutter
Preset tie strap
Left hand cutter
Guard link
Top plate
Side plate
Depth guage
Groove
Oil hole