Operator's Manual

•On/StspSwitch-EnsureOn/Stsp
switch prope,ly.Tostopen-
gice, pushand holdswitchin the STOP
posen toacom-
pleta stop.Make sure engine stops;
then restartengineand continus.
• • FuslTank- Do not ueeualt iffueltank
showssignsofdemageorleaks.
° Optional Vacuum Bag - Do not use
vacuum bag if it is tom or damaged.
CLEAN UNIT & LABELS
• Clean the uKItusing a damp cloth
with a mild detergent.
• Wipe offunit with a clean dry cloth.
CLEAN AIR FILTER
Do not clean filterin gasoline or other
flammable solvent. Doing so can
create a fire hazard or produce harmful
evaporative emissions.
Cleaning the air filter:
A dirtyair filterdecreases engine per-
formance and increases fuel consump-
tion and harmful emissions. Always
clean after every 5 hoursof operation.
/_ Alr Rlter ,_veFir Iter
• Clean the cover and the area around
it to keep debrisfrom failinginto the
carburetor chamber when the cover
is removed.
Remove parts as illustrated.
Wash the filterin soap and water.
• Allowfilterto dry.
• Apply a few drops of oUto the flfter;
squeeze filtertodistribute oil..
• Repleceparts.
REPLACE SPARK PLUG
Replace spark plugeach year to en-
sure the engine starts easier and runs
better. Set spark plug gap at .025in.
Ignitiontiming isf_ed,nonadjustable.
• Twist, then pull offspark plug boot.
• Remove spark plugfrom cylinder and
discard.
• Replace with Champion CJ-SYspark
plug and tighten with a 3/4 in. socket
wrench (10-12 ft.-Ibs).
• Reinstallthe spark plugboot.
REPLACE FUEL RLTER
To replace fuel filter, drain unit by run-
ningit dry of fuel, then remove fuel cap/
retainerassembly from tank. Pull filter
from tank and removeit from the fuel
line• Installnew fuel filteron fuel line;
reinstall pads.
We recommend all service and adjust-
ments not listed in this manual be per-
formed b -v,:yourSears Service Center.
CARBURETOR ADJUS3"MENT
Carburetor adjustment iscritical and if
done improperlycan permanently dam-
age the engine as well as the carbure-
tor. If you requirefurther assistance or
are unsure about performing this pro-
cedure, call our customer assistance
help line at 1-800-235-5878.
Old fuel, a dirtyair filter,a dirtyfuel fil-
ter, or flooding may give the impression
of an improperlyadjusted carburetor.
Check these conditionsbefore adjust-
ingthe e,ai_ouretor.
The carburetor has been carefully set
at the factory.Adjustments may be
necessary if you notice any of the fol-
lowingconditions:
• Engine will notidle. See "Idle Speed"
and "Mixture"underadjusting
procedure.
• Engine dies or hesitates instead of
accelerating. See "Accaiemtion
Check"under adjus6ng procedure.
• Loss of power. See "Mixture" under
adjusting procedure.
CARBURETOR PRESETS
When making carburetorpreset adjust-
ments, de notforce plasticlimitercaps
beyond the stops or damage will occur,
If carburetorpresets are not needed,
proceed to *ADJUSTINGPROCEDURE,
Idle Speed."
To adjust presets: