16

CLEAN AIR FILTER

A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after ev ery
5hour s of operation.
1. Cleanthecover and the area around it to
keep dirt from falling into the carburetor
chamber when the cover is removed.
2. Removeparts by pressing butt on to re-
lease air filter cover.
NOTE: To avoid creating a fire hazard or
producingharmful ev aporative emissions, do
notclean filter in gas olineor other flammable
solvent.
3. Washthe filter in soap and water.
4. Allowfilter to dry.
5. Replaceparts.
Button
Air Filter Cover
Air Filter

BAR MAINTENANCE

If your pruner cuts to one side, has to be
forcedthrough the cut , or been run with anim-
proper amount of bar lubrication it may be
necessary to service your bar. A worn bar will
damageyour chain and make c uttingdifficult.
After each use, clean all sawdust from the
guidebar andsprocket hole.
Tomaintain guide bar:
SDisconnect spark plug.
SLoosen and remove bar clamp nut and
chain brake. Remove bar and chain from
pruner.
SClean the oil holes and bar groove after
each 5 hours of operation.
RemoveSawdust From
Guide Bar Groove
Oil Holes
SBurring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
SWhen rail top is uneven, use a flat file to
restore square edges and sides.
CorrectGrooveWornG roove
File Rail Edges
andS ides
Square
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when
excessheating or burr ing of the rails occurs . If
replacementis necess ary, use only the guide
bar specified for your pruner in the repair
parts list.

LUBRICATION

BarOil
Fill Cap
SSee GUIDE BAR AND CHAIN O IL under
the OPERATION section.

MUFFLER AND SPARKARREST -

ING SCREEN

WARNING : The muffler on this prod-
uct contains chemicals known to the State of
California to cause cancer.
Asy our unit is used, carbon deposits build up
on the mufflerand s park arresting screen.
For normal homeowner use, however, the
mufflerand spark arr esting 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 SPARKPLUG

Replace the spark plug each year to ensure
the engine starts easier and runs better. In-
spect spark plugev ery 25hours of usage.
Cleanand/or replace as nec essary. Set spark
pluggap at 0.025 inch (0.6 mm). Ignition tim-
ing is fixed and nonadjustable.
NOTE: This spark ignition system complies
with the Canadian standard ICES--002.
1. Twist,then pull off spark plug boot.
2. Remove spark plug from cylinder and
discard.
3. Replacewith C hampion RCJ-6Y spark
plugand t ighten securely with a 3/4 inch
(19 mm) socket wrench.
4. Reinstallthe spark plug boot.
SERVICE AND ADJUSTMENTS
WARNING: Dis connect the spark
plugbefore perf ormingmaint enance, service, or
adjustments except for carburetor adjus tments.

CHAIN SHARPENING

WARNING: Improper chainsharpen -
ing techniques and/or depth gauge mainte-
nance will increase the chance of kickback
which can result in serious injury.
WARNING : Wear protective gloves
when handling chain. The chain is sharp and
can cut you even when it is not moving.
Conditions which indicate the need for c hain
sharpening:
SReductionin size of wood chips. The size of
the wood chip will decrease as the chain
gets duller until it becomes more lik e a
powderthan a chip. Not e that dead or rotted
wood will not produce a good chip.