Echo CS-303T User Manual download pdf (Page 30)

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MAINTENANCE CS-303T

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. If the inside of the oil tank is dirty, rinse with suitable cleaning fluid.

4. Install strainer into lower front of oil tank to ensure proper chain lubrication.

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.

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Echo CS-303T User Manual Page 30