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. Clean thecover and the a reaaround it to
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 haz ard or
producing harmful evaporative emissions, 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.
Air Filter
Air Filter
Cover
Button
BAR MAINTENANCE
If your pruner cuts to one side, has to be
forcedthroughthecut, orbeenrunwith anim-
proper amount of bar lubrication it may be
necessarytoservice yourbar. Awornbarwill
damageyour chain andmakecuttingdifficult.
After each use, ensure ON/OFF switch is in
theOFFposition, thencleanall sawdust from
the guide bar and sprocket hole.
To maintain guide bar:
S
Move ON/OFF switch to the OFF position
and disconnect spark plug.
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Loosen and remove bar clamp nut and
chain brake. Remove bar and chain from
pruner.
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Clean the oil holes and bar groove after
each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
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Burring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
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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
excess heatingorburringoftherails occurs.If
replacementis necessary, use only theguide
bar specified for your pruner in the repair
parts list.
LUBRICATION
Bar Oil
Fill Cap
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See GUIDE BAR AND CHAIN OIL under
the OPERATION section.
MUFFLER AND SPARK ARREST -
ING SCREEN
W ARNING:
The muffler on this prod-
uct contains chemicals known to the State of
California to cause cancer .
As your unit is used,carbon deposits bui ldup
on the muf fler and spark arresting screen.
For normal homeowner use, however, the
muffler andspark arrestingscreen will notre-
quire any service. After 50 hours of use, we
recommend that your muf fler 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. Set
spark plug gap at 0.025 inch (0.6 mm). Igni-
tion timing is fixed and nonadjustable.
1. Twist, then pull off 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 mm) socket wrench.
4. Reinstall the spark plug boot.
SERVICE AND ADJUSTMENTS
W ARNING:
Disconnect the spark
plug befo re performing maintenance, service,or
adjustments except for carburetor adjustments.
CHAIN SHARPENING
Chain sharpening is a complicated task that
requiresspecial tools. Werecommendedyou
referchain s harpeningtoaprofessionalchain
sharpener.
CHAIN REPLACEMENT
W ARNING:
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 te nsion a s required. Se e C HAIN T EN-
SION section.
Replace the old chain when it becomes worn or
damaged. Use only the L ow-Kickb ack replace-
ment chain specified in the repair parts list.