Filter
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14
CLEAN 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.
1. Cleanthe cover and the area around itto
keep dirt from falling into the carburetor
chamber when the cover is removed.
2. Remove parts by pressing button to re-
lease air filter cover.
NOTE: To avoid creating a fire hazard or
producingharmful evaporative em issions,do
not clean filter in gasoline or other flammable
solvent.
3. Wash the filter in soap and water .
4. Allow filter to dry.
5. Replace parts.
Button
Air Filter Cover
Air Filter
BAR MAINTENANCE
If your pruner cuts to one side, has to be
forcedthroughthecut,or beenrunwith anim-
proper amount of bar lubrication it may be
necessary toservice yourbar. Awornbarwill
damageyour chain andmake cuttingdifficult.
After each use, ensure ON/OFF switch is in
theOFFposition,then cleanallsawdust from
the guide bar and sprocket hole.
To m aintain guide bar:
S Move ON/OFF switch to the OFF position
and disconnect spark plug.
S Loosen and remove bar clamp nut and
chain brake. Remove bar and chain from
pruner .
S Clean the oil holes and bar groove after
each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of guide bar rails is a normal
process of rail wear. Rem ove these burrs
with a flat file.
S When rail top is uneven, use a flat file to
restore square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when
excessheatingorburringoftherails occurs.If
replacement is necessary,useonly theguide
bar specified for your pruner in the repair
parts list.
LUBRICATION
Bar Oil
Fill Cap
S See GUIDE BAR AND CHAIN OIL under
the OPERA TION section.
MUFFLER AND SPARK ARREST-
ING SCREEN
WARNING: The muf fler on this prod-
uct contains chemicals known to the State of
California to cause cancer .
As your unitis used, carbon deposits buildup
on the muffler and spark arresting screen.
For normal homeowner use, however , the
mufflerand spark arresting screen will not re-
quire any service. After 50 hours of use, we
recommend that your m uffler be serviced or
replaced by your authorized service dealer.
REPLACE SPARK PLUG
Replace the spark plug each year to ensure
the engine starts easier and runs better. In-
spec t spark plug every 25 hours of usage.
Cleanand/orreplaceasnecessary.Setspark
plug gap at 0.025 inch (0.6 mm). Ignition tim-
ing is fixed and nonadjustable.
1. Twist, then pull of f spark plug boot.
2. Remove spark plug from cylinder and
discard.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 3/4 inch
(19 m m) socket wrench.
4. Reinstall the spark plug boot.
SERVICE AND ADJUSTMENTS
WARNING: Disconnect the spark
plug before performing maintenance, service,or
adjustments except for carburetor adjustments.
CHAIN SHARPENING
Chain sharpening is a complicated task that
requires specialtools.Werecommendedyou
refer chainsharpeningtoaprofessionalchain
sharpener.
CHAIN REPLACEMENT
WARNING: Wear protective gloves
when handling chain. The chain is sharp and
can cut you even when it is not moving.
It is normal for a new chain to stretch during the
first 15 minutes of operation. Y ou should re-
check your chain tension frequently and adjust
thechain tension as required.See CHAIN TEN-
SION se ct i on .