Instruction manual

• Loosen and remove bar clamp nut and
chain brake. Remove bar and chain from
pruner.
• Clean the oil holes and bar groove after
each 5 hours of operation.
7. Use the screwdriver end of the bar tool to
move chain around guide bar.
8. If chain does not rotate, it is too tight.
Slightly loosen bar clamp nut and loosen
chain by turning the adjusting screw 1/4
turn counterclockwise. Retighten bar
clamp nut.
9. If chain is too loose, it will sag below the
guide bar and needs to be tightened fol-
lowing above procedure.
_.WARNING, DO NOT operate the
pruner if the chain is loose. Ifthe pruner is oper-
ated with a loose chain, the chain could jump off
the guide bar and result in serious injury.
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A dull chain
makes a sawdust powder and cuts slowly.
See CHAIN SHARPENING in the SERVICE
AND ADJUSTMENTS section.
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 the cover and the area around 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 creath_g a fire hazard or
produch_g harmful evaporative emissions, do
not clean filter h_gasoline or other flammable
solvent.
3. Wash the filter in soap and water.
4. Allow filter to dry.
5. Replace parts.
Air Filter
Button
Air Filter
Cover
BAR MAINTENANCE
If your pruner cuts to one side, has to be
forced through the cut, or been run with an im-
proper amount of bar lubrication it may be
necessary to service your bar. Aworn bar will
damage your chain and make cutting difficult.
After each use, ensure ON/OFF switch is in
the OFF position, then clean all sawdust from
the guide bar and sprocket hole.
To maintain guide bar:
• Move ON/OFF switch to the OFF position
and disconnect spark plug.
Remove Sawdust From
Guide Bar Groove
\
OilHoles
• Burring of guide bar railsis a normal
proeess of railwear. Remove these burrs
with a flat file.
• When rail top is uneven, use a flat file to
restore square edges and sides.
_-]_j_ File Rail Edges_r] N
and Sides I U I
Square I I
Worn Groove Correct Groove
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when
excess heating or burring of the rails occurs. If
replacement is necessary, use onty the guide
bar specified for your pruner in the repair
parts list.
LUBRICATION
FillCap
• See GUIDE BAR AND CHAIN OIL under
the OPERATION section.
MUFFLER AND SPARK ARREST-
ING SCREEN
,_ WARNING: The muffler on this prod-
uct contains chemicals known to the State of
California to cause cancer.
As your unit is used, carbon deposits build up
on the muffler and spark arresting screen.
For normal homeowner use, however, the
muffler and spark arresting screen will not re-
quire any service. After 50 hours of use. we
recommend that your muffler 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 ram). 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.
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