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20 – English
NOTE: Use only HUSQVARNA replacement parts. Use of other
brands of replacement parts can cause damage to your unit or
injury to the operator or others. Your warranty does not cover
damage or liability caused by the use of accessories and/or at-
tachments not specifi cally recommended by HUSQVARNA.
Maintenance schedule
Below you will fi nd some general maintenance instructions.
Daily maintenance
• Check throttle trigger and throttle trigger lockout function.
• Check stop switch function.
• Check that blade does not rotate at idling.
• Clean the exterior of the machine.
• Check the guard for damage or cracks.
• Change the guard in case of impacts or cracks.
• Check the blade for cracks and chips or damage. Replace if
necessary.
• A non-balanced blade induces heavy vibrations that may dam-
age the machine.
• Check that the locking nut is suffi ciently tightened.
• Check that nuts and screws are suffi ciently tightened.
Weekly maintenance
• Check the starter, especially cord and return spring.
• Clean the carburetor area.
• Clean the exterior of the spark plug.
• Remove it and check the electrode gap.
• Adjust it to 0,5 mm (.020"), or change the spark plug.
• Clean the cooling fi ns on the cylinder and check that the air
intake at the starter is not clogged.
• Check that the angle gear is fi lled with grease up to 3/4. Use
special grease.
• Clean the air fi lter.
• Clean the spark arrester screen at muffl er. Replace if dam-
aged.
• The fl exible drive shaft must be lubricated after every 30 hours
in operation or more often.
Monthly maintenance
• Rinse the fuel tank with gasoline.
• Clean the exterior of the carburetor and the space around it.
• Clean the fan and the space around it.
• Check fuel hose for cracks or other damage. Change if neces-
sary.
• Change fuel fi lter in fuel tank.
• Check clutch, clutch spring and clutch drum for wear. Change
if necessary.
• Check electrical wires and connections.
• Change the spark plug.
• Change the airfi lter.
MAINTENANCE