English---26
115391326 Rev. 3 1/31/11
MAINTENANCE
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 carburetor
compartment.
Clean the air filter. Replace
if necessary.
Check the brake band on the
chain brake for wear. Replace
when less than 0.024 inch
(0.6 mm) remains at the most
worn point.
Check the clutch center,
clutch drum and clutch
spring for wear.
Clean the spark plug.
Check that the electrode gap
is 0.020 inch (0.5 mm).
Clean the outside of the
carburetor.
Check fuel hose for cracks
or other damage. Change if
necessary.
Empty the fuel tank and
clean the inside.
Empty the oil tank and clean
the inside.
Check all cables and
connections.
Clean the outside of the
machine.
Check that the components
of the throttle control work
safely. (Throttle lock--out
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 re-
gard to visible cracks in the
rivets and links, whether the
saw chain is stiff or whether
the rivets and links are abnor-
mally worn. Replace if neces-
sary.
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.
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 hours)
Weekly Maintenance
(Every 10--25 hours)
Monthly Maintenance
(Every 25--40 hours)
