Sears 143.994006 Operator's Manual page 5

4.0 reserve power 10 inch cubic (163 cc) displacement solid state ignition
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MAINTENANCE
(Continued)
STORAGE
(_
SPARK
PLUG (see Figure8):
This spark ignitionsystem meets all requirementsof the Cana-
dian Interference-Causing EquipmentRegulations. Thisengine
complieswith all currentAustralianand New Zealand limitations
regardingelectromagnetic interference.Checksparkplugyeady
or every 100 operatinghours.
A. Clean area around spark plug.
B. Remove and inspectspark plug.
C. Replacespark plugif electrodesare pitted, burnedor porce-
lainis cracked.For replacementuse Champion RJ-19LM or
equivalent.
NOTE: A resistorspark plug mustbe used for replacement.
D. Check electrodesgap with wire foolergauge and set gap at
.030 if necessary.
,,
E. Install spark plug,tighten securely.
ELECTRODES_
.030 GAP
PORCELAIN
_NNEVER
STORE ENGINE WITH FUEL IN TANK INDOORS OR
ENCLOSED, POORLY VENTILATED AREAS, WHERE FUEL
FUMES MAY REACH AN OPEN FLAME, SPARK OR PILOT
LIGHT AS ON A FURNACE,
WATER HEATER, CLOTHES
DRYER OR OTHER GAS APPLIANCE.
IF ENGINE IS TO BE UNUSED FOR 30 DAYS OR MORE, PREPARE
AS FOLLOWS:
(_
DRAIN
FUEL SYSTEM:
A. Remove all gasolinefrom carburetor and fueltank to prevent
gum deposits fromformingon these partsand causing possi-
ble malfunction of engine.
,_DRAIN
FUEL INTO APPROVED CONTAINER OUTDOORS,
AWAY FROM OPEN FLAME. BE SURE ENGINE IS COOL.
I DO NOT SMOKE.
B. 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
alternative 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 stabi-
lizer to allow it to reach carburetor.
Figure 8
(_) COOLING
SYSTEM:
IMPORTANT: Frequentlyremove any grass clippings,dirtand
debrisfromcoolingfins,air intakescreen and leversand linkage
(see Figure 1). This will help ensure adequate cooling and
correctengine speed.
(_)
CHANGE
OIL:
Change oilifit hasnot beenchangedin thelastthree (3) months.
See "CHANGEOIL"instructions in "MAINTENANCE" sectionon
Page 3.
(_
CLEAN
ENGINE:
(_
,
Remove any clippings, dirt, or chaff from extedor of engine.
CHECK ENGINE AND EQUIPMENT OFTEN FOR LOOSE NUTS,
I
BOLTS AND ATrACHMENTS,
AND KEEP THESE
ITEMSI _I=NI=RAL
akin TIGHTENED.
I ..........
"Just as your automobile needs professional mechanical mainte-
ADJUSTMENTS
DO NOT MAKE UNNECESSARY
ADJUSTMENTS.
FACTORY SET-
TINGS
ARE SATISFACTORY
FOR MOST APPLICATIONS
AND
CONDITIONS.
IF ADJUSTMENTS
ARE NEEDED, PROCEED
AS
FOLLOWS:
nanca from time to time, so does your Craftsmanengine. Replace-
mentofthesparkplugandair cleanerismadenecessary byNORMAL
use. ProfessionalAir-Cooled Engine Service is as close as your
nearest Sears Roebuck and Co. (or Sears Canada, Inc.) Service
Center.A yearlycheck-uportune-up bySearsis a goodidea toavoid
breakdowns ordelay.., doit at theendoftheseason,thenyou'reready
for the next.We even prepareit for storagefor you.
(_) CARBURETOR
If you think your carburetor needs adjusting, see your nearest
SEARS, ROEBUCK AND CO. (OR SEARS CANADA, 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 FAC- I
TORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING
I
ENGINE ABOVE FACTORY HIGH SPEED SETFING CAN BE
DANGEROUS.
CHANG NG OF ENG NE-GOVERNED
SPEED
WILL VOID ENGINE WARRANTY.
Page 4
181-1178-11

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