Echo CS-400F Instruction Manual

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Echo CS-400F Instruction Manual Manual pdf 32 page image

32 X7503253301© 08/2013 ECHO Inc.MAINTENANCE CS-400FSprocket• A damaged sprocket will cause premature damage orwear of saw chain.• When the sprocket has worn out 0.5 mm (0.020 in.) ormore, replace it.• Check sprocket when you install new chain. Replace it ifworn.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.Cooling System Cleaning• Check periodically.• Clogged fins will result in poor engine cooling.1. Remove air cleaner cover, cylinder cover, and starter.2. Use compressed air or wooden tool to remove dirt anddust from between fins to let cooling air pass easily.Spark Arrestor Muffler• The spark arrestor muffler controls the exhaust noise and prevents hot, glowing particles of carbon fromleaving the muffler.• Make sure the spark arrestor screen is in good repair and properly seated in the muffler.• Certain internal combustion engines operated on forest, brush, and/or grass-covered areas in the states ofWashington, Oregon, Idaho, California, Minnesota, New Jersey and Maine, are required to be equippedwith a spark arrestor.This requirement also applies to all U.S. Forest Service lands. In some of these areas, the spark arrestorsystem must be certified per USDA Forest Service Regulation SAE J335.Check with your local or state authorities for specific regulations in your area. Failure to follow theserequirements is a violation of the law.Worn: 0.5 mm (0.020 in.)Cylinder fins