Echo CS-510 - Manual (Page 22)

20
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