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Squeeze the excess oil out of the filter inside the plastic bag and pour off the excess before fitting the filter to the machine. Never use common engine oil. This would drain through the filter quite quickly and collect in the bottom. An air filter that has been in use for a long time cannot be cleaned completely. The filter must therefore be replaced with a new one at regular intervals. A damaged air filter must always be replaced. Bevel gear The bevel gear is filled with the right quantity of grease at the factory. However, before using the machine you should check that the bevel gear is filled three-quarters full with grease. Use HUSQVARNA special grease. The grease in the bevel gear does not normally need to be changed except if repairs are carried out. Spark plug The spark plug condition is influenced by: • Incorrect carburettor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). • A dirty air filter. These factors cause deposits on the spark plug electrodes, which may result in operating problems and starting difficulties. If the machine is low on power, difficult to start or runs poorly at idle speed: always check the spark plug first before taking any further action. If the spark plug is dirty, clean it and check that the electrode gap is 0.5 mm (0,020"). The spark plug should be replaced after about a month in operation or earlier if necessary. CAUTION! Always use the recommended spark plug type! Use of the wrong spark plug can damage the piston/cylinder. Sharpening grass cutters and grass blades WARNING! Always stop the engine before doing any work on the cutting attachment. This continues to rotate even after the throttle has been released. Ensure that the cutting attachment has stopped completely and disconnect the HT lead from the spark plug before you start to work on it. ! • See the cutting attachment packaging for correct sharpening instructions. • Sharpen blades and cutters using a single-cut flat file. • Sharpen all edges equally to maintain the balance of the blade. WARNING! Always discard a blade that is bent, twisted, cracked, broken or damaged in any other way. Never attempt to straighten a twisted blade so that it can be reused. Only use original blades of the specified type. Filing the saw blade WARNING! Using an incorrect cutting attachment or an incorrectly sharpened blade increases the risk of kickback. • See the cutting attachment packaging for correct sharpening instructions. A correctly filed blade is essential for working efficiently and to avoid unnecessary wear to the blade and clearing saw. • Make sure that the blade is well supported when you file it. Use a 5.5 mm round file with a file holder. • The filing angle is 15°. File alternate teeth to the right and those in between to the left. If the blade has been heavily pitted by stones it may be necessary to dress the top edges of the teeth with a flat file, in exceptional cases. If so, this should be done before filing with a round file. The top edges must be filed down by the same amount for all the teeth. • Adjust the blade setting. This should be 1 mm. ! Maintenance schedule Below you will find some general maintenance instructions. If you need further information please contact your service workshop. Daily maintenance • Check throttle trigger and throttle trigger lockout function. • Check that the cutting attachment does not rotate at idle. • Clean the outside of the machine. • Check that the harness is not damaged. • Check that the blade guard is not damaged or cracked. Replace the blade guard if it is exposed to impact or is cracked. • Check that the blade is properly centered, sharp and without cracks. • Check that the trimmer head is undamaged and not cracked. Replace the trimmer head if necessary. • Check that the blade nut is sufficiently tightened. • Check that the locking nut is tight. Check that the locking screw is tightened when using a support cup with bearings. • Check that the transport guard for the blade is intact and that it can be secured correctly. • Check that nuts and screws are tight. • Check that there are no fuel leaks from the engine, tank or fuel lines. Weekly maintenance • Check the starter, the starter cord and the recoil spring. • Clean the carburettor area. • Clean the outside of the spark plug. Remove it and check the electrode gap. Adjust the gap to 0.5 mm (.20”), or replace the spark plug. Check that the spark plug is fitted with a suppressor. • Clean the cooling fins on the cylinder and check that the air intake near the starter is not blocked. • Check that the bevel gear is filled with grease up to 3/4. Use special grease. • Clean the air filter. • Clean or replace the spark arrestor mesh on the muffler (only applies to mufflers without a catalytic converter). Monthly maintenance • Clean the fuel tank. • Clean the outside of the carburettor and the space around it. • Clean the fan and the area around it. • Check fuel hose for cracks or other damage. Change if ...

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