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12
S
Next make a 2nd cut
all the way
through the limb.
Then cut a third
overcut leaving a 1 to 2 inch collar from
the truck of the tree.
First cut
Second cut
Third cut
Collar
Pruning technique
SERVICE
WARNING:
Disconnect the spark
plug before performing maintenance except
for carburetor adjustments.
We recommend all service and adjustments
not listed in this manual be performed by an
authorized service dealer.
AIR FILTER
CAUTION
:
Do not clean filter in gasoline
or other flammable solvent to avoid creating
a fire hazard or producing harmful evapora-
tive emissions.
Cleaning the air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation.
S
Clean the cover and the area around it to
keep dirt and sawdust from falling into the
carburetor chamber when the cover is re-
moved.
S
Remove the parts as illustrated below.
S
Wash the filter in soap and water. Rinse in
clean cool water. Air dry completely before
reinstalling.
S
Reinstall parts.
Air Filter
Air Filter
Screws
CARBURETOR ADJUSTMENTS
Your carburetor is equipped with limiter
caps. Carburetor adjustment is a compli-
cated task. We recommend that you take
your unit to an authorized service dealer.
Damage will occur if you turn the needles be-
yond the limiter stops.
BAR MAINTENANCE
If your saw cuts to one side, has to be forced
through the cut, or been run with an improper
amount of bar lubrication it may be neces-
sary toservice your bar. A wornbar will dam-
age your chain and make cutting difficult.
Replace your bar if bent or the inside rails of
the bar are worn.
S
Clean the oil holes after each 5 hours of op-
eration.
S
Remove sawdust from bar groove periodi-
cally with a wire or putty knife.
Remove Sawdust From
Guide Bar Groove
Oil Holes
CHAIN SHARPENING
Chain sharpening is a complicated task that
requires special tools. W e recommended
you refer chain sharpening to a professional
chain sharpener.
IGNITION TIMING
Ignition timing is fixed and nonadjustable.
SPARK PLUG
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better.
S
Loosen 3 screws on cylinder cover.
S
Remove the cylinder cover.
S
Pull off the spark plug boot.
S
Remove spark plug from cylinder and dis-
card.
S
Replace with Champion RCJ--7Y spark
plug and tighten securely with a 3/4 inch
socket wrench. Spark plug gap should be
0,5 mm.
S
Reinstall the spark plug boot.
S
Reinstall the cylinder cover and 3 screws.
Tighten securely.
Spark Plug Boot
STORAGE
WARNING:
Stop engine and allowto
cool, and secure the unit before storing or
transporting in a vehicle. Store unit and fuel in
an area w her efuel vaporscannot reachsparks
oropen flamesfrom w aterheaters, electric m o-
tors or switches, furnaces, etc. Store unit with
all guards in place. Position so that any sharp
object cannot accidentally cause injury to
passersby. Store the unit out of r each of chil-
dren.