Sears 143.994006 - Manual (Page 5)

® SPARK PLUG (see Figure 8):
This spark ignition system meets all requirements of the Cana­
dian Interference-Causing Equipment Regulations. This engine
complies with ali 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 if electrodes are pitted, burned or porce­
lain is cracked. For replacement use Champion RJ-19LM or
equivalent.
NOTE: A resistor spark plug must be used for replacement.
D. Check electrodes gap with wire feeler gauge and set gap at
.030 if necessary. . ^
E. Install spark plug, tighten securely.
MAINTENANCE
(Continued)
STORAGE
ELECTRODES
.030 GAP
J
PORCELAIN
CHECK ENGINE AND EQUIPMENT OFTEN FOR LOOSE NUTS,
BOLTS AND ATTACHMENTS, AND KEEP THESE ITEMS
TIGHTENED.
NEVER TAMPER WITH ENGINE GOVERNOR WHICH IS FAC­
TORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING
ENGINE ABOVE FACTORY HIGH SPEED SETTING CAN BE
DANGEROUS. CHANGING OF ENGINE-GOVERNED SPEED
WILL VOID ENGINE WARRANTY.
Wl
NEVER STORE ENGINE WITH FUEL IN TANK INDOORS OR
N 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 ISTO BE UNUSED FOR 30 DAYS OR MORE, PREPARE
AS FOLLOWS:
© DRAIN FUEL SYSTEM:
A. Remove all gasoline from carburetor and fuel tank to prevent
gum deposits from forming on these parts and causing possi­
ble malfunction of engine._____________________________
DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS,
^AWAY FROM OPEN FLAME. BE SURE ENGINE IS COOL.
DO NOT SMOKE.
Figure 8
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.
ADJUSTMENTS
DO NOT MAKE UNNECESSARY ADJUSTMENTS. FACTORY SET­
TINGS ARE SATISFACTORY FOR MOST APPLICATIONS AND
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 CAtslADA, 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 *
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 ftjel 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.
© CHANGE OIL:
Change oil if it has not been changed in the last three (3) months.
See “CHANGE OIL" instructions in “MAINTENANCE” section on
Page 3.
© CLEAN ENGINE:
Remove any clippings, dirt, or chaff from exterior of engine.
GENERAL
'Just as your automobile needs professional mechanical mainte­
nance from time to time, so does your Craftsman engine. Replace­
ment of the spark plug and ai r cleaner is made necessary by NORMAL
use. Professional Air-Cooled Engine Service is as close as your
nearest Sears Roebuck and Co. (or Sears Canada, Inc.) Sen/ice
Center. A yearly 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.
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