Bort BBK-2018 - Page 11

11
Dailymaintenance(Every5-10h) Weeklymalntenance(Every10-25h) Monthlymaintenance(Every25-40h)
Clean the outside of the machine.
Check the starter, the starter cord and
the recoil spring.
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 that the components of the
throttlecontrolworksafely.(Throttle
lockout and throttle control.)
Check that the vibration damping
elements are not damaged.
Check the clutch centre, clutch drum and
clutch spring for wear.
Clean the chain brake and check that
it operates safely. Make sure that the
chain catcher is undamaged, and
replace it if necessary.
Fileo󰀨anyburrsfromtheedgesof
the bar.
Clean the spark plug. Check that the
electrode gap is 0.5 mm.
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.
Clean the carburettor compartment. Clean the outside of the carburettor.
Check that the bar and chain are getting
su󰀩cientoil.
Cleantheairlter.Replaceifnecessary. Checkthefuellterandthefuelhose.
Replace if necessary.
Check the saw chain with regard to
visible cracks in the rivets and links,
whetherthesawchainissti󰀨orwhether
the rivets and links are abnormally worn.
Replace if necessary.
Emptythefueltankandcleantheinside.
Sharpen the chain and check its tension
and condition. Check the drive sprocket
for excessive wear and replace if
necessary.
Emptytheoiltankandcleantheinside.
Clean the starter units air intake. Check all cables and connections.
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.