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© 09/2013 ECHO Inc.
MAINTENANCE CS-355T
Note: Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for
sale in the United States to be equipped with a special low permeation fuel supply hose between the
carburetor and fuel tank. When servicing model year 2012 and later equipment, only fuel supply
hoses certified by EPA can be used to replace the original equipment supply hose. Fines up to
$37,500 may be enforced for using an un-certified replacement part.
Automatic Oiler
• The discharge volume of the automatic oiler is adjusted
to approximately 4 mL/min at 7000 r/min, prior to
shipment from factory.
• Always check oil discharge when in use.
• Turn adjusting screw (D) counter-clockwise to increase
oil volume, clockwise to decrease oil volume.
• Do not turn the adjusting screw beyond the maximum or minimum limit of volume adjustment.
Oil Filter
• Check periodically.
• Do not allow dust to enter into oil tank.
• Clogged oil strainer will affect the normal lubricating
system.
1. Using a wire bent into the shape of a hook, pull
strainer out through oil port and inspect strainer.
2. If the strainer is dirty, clean with suitable cleaning fluid.
3. When the inside of the fuel tank is dirty, rinsing 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 out 0.5 mm (0.020 in.) or
more, replace it.
D
A
B
C
Worn: 0.5 mm (0.020 in.)