Husqvarna 455 用户手册
38 –
English
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.
Maintenance section.
Daily maintenance
Weekly maintenance
Monthly maintenance
Clean the outside of the machine.
On chain saws without a catalytic
converter, check the cooling system
weekly.
converter, check the cooling system
weekly.
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.
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.)
control work safely. (Throttle lockout and
throttle control.)
Check the starter, starter cord and return
spring.
spring.
Check the clutch centre, clutch drum and
clutch spring for wear.
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.
operates safely. Make sure that the chain
catcher is undamaged, and replace it if
necessary.
Check that the vibration damping
elements are not damaged.
elements are not damaged.
Clean the spark plug. Check that the
electrode gap is 0.5 mm.
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.
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.
Lubricate the clutch drum bearing.
Clean the outside of the carburettor.
Check that the bar and chain are getting
sufficient oil.
sufficient oil.
File off any burrs from the edges of the
bar.
bar.
Check the fuel filter and the fuel hose.
Replace if necessary.
Replace if necessary.
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.
cracks in the rivets and links, whether the
saw chain is stiff or whether the rivets and
links are abnormally worn. Replace if
necessary.
Clean or replace the spark arrestor mesh
on the muffler.
on the muffler.
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.
and condition. Check the drive sprocket
for excessive wear and replace if
necessary.
Clean the carburettor compartment.
Empty the oil tank and clean the inside.
Clean the starter units air intake.
Clean the air filter. Replace if necessary.
Check all cables and connections.
Check that nuts and screws are tight.
Check that the stop switch works
correctly.
correctly.
Check that there are no fuel leaks from
the engine, tank or fuel lines.
the engine, tank or fuel lines.
On chain saws with a catalytic converter,
check the cooling system daily.
check the cooling system daily.