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– English
MAINTENANCE
NOTE: Use only JONSERED 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
attachments not specifically recommended by JONSERED.
Maintenance schedule
Below you will find some general maintenance instructions.
Daily maintenance
• Check throttle trigger and throttle trigger lockout function.
• Check stop switch function.
• Check that blade/trimmer head does not rotate at idling.
• Clean the exterior of the machine.
• Check that the harness is undamaged.
• Check the blade guard for damage or cracks.
• Change the guard in case of impacts or cracks.
• Check that the blade is properly centred, sharp, and without
cracks.
• Check the trimmerhead for cracks and chips or damage.
Replace if necessary.
• A non-balanced blade/trimmer head induces heavy
vibrations that may damage the machine.
• Check that the blade nut is sufficiently tightened.
• Make sure that the blade transport guard is undamaged and
that it can be securely fitted.
• Check that nuts and screws are sufficiently 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 fins on the cylinder and check that the air
intake at the starter is not clogged.
• Check that the angle gear is filled with grease up to 3/4. Use
special grease.
• Clean the air filter.
• Clean or replace the muffler’s spark arrest screen (not on
mufflers with a catalytic converter).
• The flexible drive shaft must be lubricated after every 30
hours in operation or more often.
Monthly maintenance
• Clean the fuel tank.
• 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
necessary.
• Change fuel filter 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 airfilter.
• Check and clean the muffler’s spark arrest screen if necessary
(only mufflers with a catalytic converter).
