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•MAINTENANCE
(Continued)
(_ SPARK
PLUG (see Figure8):
This spark ignition system meets all requirements of the Canadian
Interference-Causing
Equipment Regulations.
This engine
complies with all current Australian and New Zealand limitations
regarding electromagnetic interference. Check spark plug yearly
or every 100 operating hours.
A.
Clean area around spark plug.
B.
Remove and inspect spark plug.
C.
Replace spark plug ifelsotrodes are pitted, bumed or parcelain
is cracked. For replacement use Champion RJ19LM.
NOTE: A resistor spark plug must be used for replacement.
D.
Check electrodes gap with wira fealer gauge and set _ap at
.030 if necessary.
E.
Install spark plug, tighten securely.
i
ELECTRODES
.030 GAP
Figure8
PORCELAIN
(_) COOLING SYSTEM:
IMPORTANT:
Frequently remove any grass clippings, dirt and
debris from cooling fins, air intake screen and levers and linkage
(see Figure 1). This will help ensure adequate cooling and correct
engine speed.
(_CHECKENGINEANDEQUIPMENTOFTENFORLOOSENUTSlJ
_BOLTS
AND ATTACHMENTS,
AND KEEP THESE
ITEMS
"_"--TIGHTENED.
ADJUSTMENTS
DO NOT MAKE UNNECESSARY
ADJUSTMENTS.
FACTORY
SETTINGSARESATISFACTORYFORMOSTAPPLICATIONSAND
CONDITIONS.
IF ADJUSTMENTS
ARE NEEDED, PROCEED
AS
FOLLOWS:
CARBURETOR
If you think your carburetor needs adjusting, see your nearest
SEARS, ROEBUCK
AND CO. (OR SEARS CAN,_DA, INC.)
SERVICE CENTER. Engine performance should not be affected
at altitudes up to 7,000 feet. For operation at higher elevations,
contact your nearest SEARS, ROEBUCK AND CO. (OR SEARS
CANADA, INC.) SERVICE CENTER.
(_) ENGINE
SPEED
,_
NEVER
TAMPER
WITH
ENGINE
GOVERNOR
WHICH
IS I
FACTORY
SET
FOR
PROPER
ENGINE
SPEED.I
OVERSPEEDING
ENGINE ABOVE FACTORY HIGH
SPEEDI
SETTING CAN BE DANGEROUS.
.
I
CHANGING
OF ENGINE-GOVERNED
SPEED
WILL VOID
ENGINE WARRANTY.
STORAGE
NEVER STORE ENGINE WITH FUEL IN TANK INDOORS OR I
IN ENCLOSED, POORLY VENTILATED AREAS, WHERE FUEL I
FUMES MAY REACH AN OPEN FLAME, SPARK OR PILOT I
LIGHT AS ON A FURNACE,
WATER
HEATER,
CLOTHES
DRYER OR OTHER OAR APPLIANCE_
IF ENGINE IS TO BE UNUSED FOR 30 DAYS OR MORE,
PREPARE AS FOLLOWS:
(_) DRAIN
FUEL SYSTEM:
A. Removeall gasolinefromcarburetor and fueltankto prevent
gum deposits from forming on these parts and causing
possiblemalfunction of engine.
_L
DRAIN FUEL INTO APPROVED CONTAIN ER OUTDOORS,]
AWANY )FTRsO#OOk
PEN FLAME. BE SURE ENGINE IS COOL.
a.
Run engine until fuel tank is empty and engine stops due to
lack of fuel.
NOTE:
Fuel stabilizer (such as STA-BIL) is an acceptable
. altamative in minimizing the formation of fuel gum deposits
during storage. Add stabilizer
to gasoline in fuel tank or
storage container• Always follow mix ratio found on stabilizer
container.
Run engine at least 10 minutes after adding
stabilizer to allow it to reach carburetor.
(_) CHANGE
OIL:
Change oilifithas notbeen changedin the lastthree (3) months.
See "CHANGEOIL"instructions in =MAINTENANCE"sectionon
Page 3.
OIL CYLINDER
BORE:
A.
Removesparkplugand pourone (1) ounce(30 ml)ofengine
oil intospark plug hole.
B. Cover spark plug holewith a rag.
C• Crank engine over,slowly,several times.
_IL
AVOID
SPRAY
FROM
SPARK
PLUG
HOLE
WHEN
CRANKING
ENGINE OVER SLOWLY.
!
D.
Replace spark plug.
(_
CLEAN
ENGINE:
Remove any clippings, d irt, or chafffrom exteriorof engine.
GENERAL
Just as yourautomobile needs professional mechanical m aintenance
fromtimetotime,sodoes yourCraftsmanengine.Replacement ofthe
spark plug and air cleaner is made necessary by NORMAL use.
Professional A iroCooled Engine Service is as close as your nearest
Sears Roebuckand Co. (or SearsCanada, Inc.) ServiceCenter.
A yeady check-up or tune-up by Sears is a good idea to avoid
breakdowns or delay..,
do it at the end of the season, then you're
ready for the next. We even prepare it for storage for you.
Page 4
181-1188-11
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