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Daily maintenance (Every 5-10 h)
Clean the outside of the machine.
Check that the components of the
throttle control work safely. (Throttle
lockout and throttle control.)
Clean the chain brake and check that
it operates safely. Make sure that the
chain catcher is undamaged, and
replace it if necessary.
The bar should be turned daily 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.
Check that the bar and chain are getting
suffi cient oil.
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.
Sharpen the chain and check its tension
and condition. Check the drive sprocket
for excessive wear and replace if
necessary.
Clean the starter units air intake.
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.
20
Weekly malntenance (Every 10-25 h)
Check the starter, the starter cord and
the recoil spring.
Check that the vibration damping
elements are not damaged.
File off any burrs from the edges of
the bar.
Clean the carburettor compartment.
Clean the air fi lter. Replace if necessary.
Monthly maintenance (Every 25-40 h)
Check the brake band on the chain brake
for wear. Replace when less than 0.6
mm (0,024 inch) 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 0.5 mm.
Clean the outside of the carburettor.
Check the fuel fi lter and the fuel hose.
Replace if necessary.
Empty the fuel tank and clean the inside.
Empty the oil tank and clean the inside.
Check all cables and connections.
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