Oil Filter; Guide Bar; Sprocket - Echo CS-310 Operator's Manual

CS-310

Oil Filter

• Check periodically.
• Do not allow dust to enter into oil tank.
• A clogged oil filter (B) will affect the normal lubricating
system.
1. Using a wire bent into the shape of a hook, pull filter
out through gas port, and inspect filter.
2. If the filter is dirty, wash it in gasoline or replace it.
3. When the inside of the tank gets dirty, rinse the tank
out with gasoline to clean it.

Guide Bar

1. Clean before using.
2. Clean the groove (A) of the guide bar with a small
screwdriver.
3. Clean oil holes (B) with a wire.
4. Invert guide bar periodically.
5. Clean the bar mount area before installing of the bar.

Sprocket

• A damaged sprocket will cause premature damage or
wear of saw chain.
• When the sprocket has worn 0.5 mm (0.020 in.) or
more, replace it.
• Check sprocket when you install new chain. Replace it if
worn.
Some tree sap and resins are corrosive. Thoroughly wash the guide bar and sprocket areas after each use,
then coat metal parts with light oil.
X7503274200
© 11/2014 ECHO Inc.
Worn: 0.5 mm (0.020 in.)
MAINTENANCE
B
A
B
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