Husqvarna 440 e-series Owners Manual - Page 30

MAINTENANCE Maintenance schedule The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekly maintenance Clean the outside of the machine. On chain saws without a catalytic converter, check the cooling system weekly. Check that the components of the throttle control work safely. (Throttle lockout and throttle control.) Check the starter, starter cord and return spring. Clean the chain brake and check that it operates safely. Make sure that the chain catcher is undamaged, and replace it if necessary. Check that the vibration damping elements are not damaged. The bar should be turned regularly for more even wear. Check the lubrication hole in the bar, to be sure it is not clogged. Clean the bar groove. If the bar has a sprocket tip, this should be lubricated. Lubricate the clutch drum bearing. Check that the bar and chain are getting sufficient oil. File off any burrs from the edges of the bar. Check the saw chain with regard to visible cracks in the rivets and links, whether the saw chain is stiff or whether the rivets and links are abnormally worn. Replace if necessary. Clean or replace the spark arrestor screen on the muffler. Sharpen the chain and check its tension and condition. Check the drive sprocket for excessive wear and replace if necessary. Clean the carburetor compartment. Clean the starter units air intake. Clean the air filter. Replace if necessary. Check that nuts and screws are tight. Check that the stop switch works correctly. Check that there are no fuel leaks from the engine, tank or fuel lines. On chain saws with a catalytic converter, check the cooling system daily. Monthly maintenance Check the brake band on the chain brake for wear. Replace when less than 0.024 inch (0.6 mm) remains at the most worn point. Check the clutch centre, clutch drum and clutch spring for wear. Clean the spark plug. Check that the electrode gap is 0.020 inch (0.5 mm). Clean the outside of the carburetor. Check fuel hose for cracks or other damage. Change if necessary. Empty the fuel tank and clean the inside. Empty the oil tank and clean the inside. Check all cables and connections. 30 - English 1153159-95 Rev.2 2010-04-08