Husqvarna 122LK Operator's Manual

Also see for 122c SERIES: Operator's manual Workshop manual Operator's manual Operator's manual Operator's manual

MAINTENANCEEnglish – 17CarburetorAdjustment of the idle speedBefore any adjustments are made, make sure that the airfilter is clean and the air filter cover is fitted.Adjust the idle speed using the idle adjustment screw T, ifit is necessary to readjust. First turn the idle adjustmentscrew T clockwise until the cutting attachment starts torotate. Then turn the screw anticlockwise until the cuttingattachment stops. The idle speed is correctly adjustedwhen the engine will run smoothly in every position. Theidle speed should also be well below the speed at whichthe cutting attachment starts to rotate.Recommended idle speed: See the Technical datasection.MufflerCAUTION! Some mufflers are fitted with a catalyticconverter. See chapter on Technical data to see whetheryour machine is fitted with a catalytic converter.The muffler is designed to reduce the noise level and todirect the exhaust gases away from the operator. Theexhaust gases are hot and can contain sparks, which maycause fire if directed against dry and combustiblematerial.Some mufflers are equipped with a special spark arrestorscreen. If your machine has this type of muffler, youshould clean the screen at least once a week. This is bestdone with a wire brush. On mufflers without a catalyticconverter the screen should be cleaned weekly, orreplaced if necessary. On mufflers fitted with a catalyticconverter the screen should be checked, and if necessarycleaned, monthly. If the screen is damaged it should bereplaced. If the screen is frequently blocked, this can bea sign that the performance of the catalytic converter isimpaired. Contact your dealer to inspect the muffler. Ablocked screen will cause the machine to overheat andresult in damage to the cylinder and piston.CAUTION! Never use a machine with a defective muffler.! WARNING! If the idle speed cannot beadjusted so that the cutting attachmentstops, contact your dealer/serviceworkshop. Do not use the machine untilit has been correctly adjusted orrepaired.! WARNING! Mufflers fitted with catalyticconverters get very hot during use andremain so for some time after stopping.This also applies at idle speed. Contactcan result in burns to the skin.Remember the risk of fire!