Maintenance Schedule - Husqvarna 235 Operator's Manual

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(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 sufficient 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.
1153134-26 Rev. 3 2010-02-11
MAINTENANCE
Weekly maintenance(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 filter. 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 filter 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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