Husqvarna 445, 445e, 450e manual Maintenance schedule, Daily maintenance, Weekly maintenance

MAINTENANCE

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	Weekly maintenance	Monthly maintenance
	On chain saws without a catalytic	Check the brake band on the chain
		brake for wear. Replace when less
Clean the outside of the machine.	converter, check the cooling system
		than 0.6 mm (0,024 inch) remains at
	weekly.
		the most worn point.
Check that the components of the	Check the starter, starter cord and	Check the clutch centre, clutch drum
throttle control work safely. (Throttle
	return spring.	and clutch spring for wear.
lockout and throttle control.)
Clean the chain brake and check that
it operates safely. Make sure that the	Check that the vibration damping	Clean the spark plug. Check that the
chain catcher is undamaged, and	elements are not damaged.	electrode gap is 0.5 mm.
replace it if necessary.
The bar should be turned regularly for
more even wear. Check the lubrication
hole in the bar, to be sure it is not	Lubricate the clutch drum bearing.	Clean the outside of the carburettor.
clogged. Clean the bar groove. If the
bar has a sprocket tip, this should be
lubricated.
Check that the bar and chain are	File off any burrs from the edges of the	Check the fuel filter and the fuel hose.
getting sufficient oil.	bar.	Replace if necessary.
Check the saw chain with regard to
visible cracks in the rivets and links,
whether the saw chain is stiff or	Clean or replace the spark arrestor	Empty the fuel tank and clean the
whether the rivets and links are	mesh on the muffler.	inside.
abnormally worn. Replace if
necessary.
Sharpen the chain and check its
tension and condition. Check the drive	Clean the carburettor compartment.	Empty the oil tank and clean the
sprocket for excessive wear and		inside.
replace if necessary.
Clean the starter units air intake.	Clean the air filter. Replace if	Check all cables and connections.
	necessary.
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.
On chain saws with a catalytic
converter, check the cooling system
daily.

38 – English 115 10 81-26 Rev.2 2008-01-11