Husqvarna 326SX-Series Operator's Manual

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Contents

English – 17MAINTENANCEMufflerCAUTION! Some mufflers are fitted with a catalyticconverter. See chapter on Technical data to see whether yourmachine is fitted with a catalytic converter.The muffler is designed to reduce the noise level and to directthe exhaust gases away from the operator. The exhaustgases are hot and can contain sparks, which may cause fireif directed against dry and combustible material.Some mufflers are equipped with a special spark arrestormesh. If your machine has this type of muffler, you shouldclean the mesh at least once a week. This is best done with awire brush. On mufflers without a catalytic converter the meshshould be cleaned weekly, or replaced if necessary. Onmufflers fitted with a catalytic converter the mesh should bechecked, and if necessary cleaned, monthly. If the mesh isdamaged it should be replaced.If the mesh is frequently blocked, this can be a sign that theperformance of the catalytic converter is impaired. Contactyour dealer to inspect the muffler. A blocked mesh will causethe machine to overheat and result in damage to the cylinderand piston.CAUTION! Never use a machine with a defective muffler.Cooling systemTo keep the working temperature as low as possible themachine is equipped with a cooling system.The cooling system consists of:1 Air intake on the starter.2 Fins on the flywheel.3 Cooling fins on the cylinder.4 Cylinder cover (directs cold air over the cylinder).Clean the cooling system with a brush once a week, moreoften in demanding conditions. A dirty or blocked coolingsystem results in the machine overheating which causesdamage to the piston and cylinder.Angle gearThe angle gear is filled with a sufficient quantity of grease atthe factory.Normally, the grease does not need to be changed exceptwhen repairs are carried out.! WARNING! Mufflers fitted with catalyticconverters get very hot during use andremain so for some time after stopping. Thisalso applies at idle speed. Contact can resultin burns to the skin. Remember the risk offire!1432