Husqvarna 353 EPA III TrioBrake Chainsaw User Manual


 
English – 39
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
Clean the outside of the machine.
On chain saws without a catalytic
conv
erter, check the cooling system
weekly.
Check the brake band on the chain
br
ak
e for wear. Replace when less than
0.024 inch (0.6 mm) remains at the
most worn point.
Check that the components of the
throttle control w
or
k safely. (Throttle
lockout and throttle control.)
Check the starter, starter cord and
return spr
ing.
Check the clutch centre, clutch drum
and clutch spring for wear.
Clean the chain brake and check that it
operates saf
ely. Make sure that the
chain catcher is undamaged, and
replace it if necessary with an
aluminium chain catcher (is available as
spare part).
Check that the vibration damping
elements are not damaged.
Clean the spark plug. Check that the
electrode gap is 0.020 inch (0.5 mm).
The bar should be turned daily for more
e
v
en 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 carburetor.
Check that the bar and chain are getting
sufficient oil.
File off any burrs from the edges of the
bar
.
Chec
k fuel hose for cracks or other
damage. Change 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.
Clean or replace the spark arrestor
screen on the m
uffler
.
Empty the fuel tank and clean the
inside.
Sharpen the chain and check its tension
and condition. Chec
k the drive sprocket
for excessive wear and replace if
necessary.
Clean the carburetor compartment. Empty the oil tank and clean the inside.
Clean the starter units air intake.
Clean the air filter. Replace if
necessar
y
.
Check all cables and connections.
Check that nuts and screws are tight.
Clean the area under the cover for the
right-hand brake.
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.
Make sure the mechanism for the right-
hand brak
e operates smoothly.