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SERVICE AND ADJUSTMENTS
ENGINE
PERFORMANCE
PROBLEMS
If your engine is running below its normal performance
level, you could check for the following problems:
Check Compression:
Remove spark plug and hold thumb
over spark p_ug hole while cranking engine. Compression
should be sufficient
to push thumb off the opening
If
compression appears low, check for the following:
•
Loose cylinder head bolts.
=
Blown headgasket
=
Worn or damaged engine
Contact Sears Service Center to repair these problems.
Check
Carburetion:
Make sure gas tank is filled with
clean, fresh gasoline. Make sure fuel shutoff valve is open_
Make sure fuel flows freely through fuel line between tank
and carburetor
Crank engine several times, then remove
spark plug. if plug is wet, look for the following:
o
Overchoking
,,
Rich fuel mixture
o
Water in fuel
•
Intake valve stuck open
If plug is dry, look for the following:
,,
Leaking carburetor gaskets
°
Gummy or dirty carburetor
•
Intake valve stuck closed
If you find any of these problems, contact your nearest
Sears Service Center
Check Ignition:
Remove spark plug wire from plug and
hold metal terminal end of wire near engine metal part.
Crank engine. If spark occurs, try a new spark plug If no
spark occurs, contact Sears Service Center.
STORAGE
GENERAL
The generator should be started at least once every seven
days and aIIowed to run at least 30 minutes
If this cannot
be done and you must store the unit for more than 30 days,
use this information as a guide to prepare it for storage
STORAGE
INSTRUCTIONS
._
WARNING! NEVER STORE ENGINE WITH FUEL 1N
THE TANK INDOORS OR ENCLOSED, POORLY
VENTILATED
AREAS, WHERE FUMES CAN
REACH AN OPEN FLAME_ SPARK, OR PILOT
LIGHT AS ON A FURNACE, WATER HEATER,
CLOTHES DRYER OR OTHER GAS FURNACE.
ENGINE:
,,
Run the engine for about five minutes to warm it
o
NOTE:
If you did use "gasohol," drain fuel tank, then
run engine until engine stops from lack of fuel.
i,_
WARNING! DRAIN FUEL INTO APPROVED CON-
TAINER
OUTDOORS,
AWAY FROM OPEN FLAME,
BE SURE ENGINE IS COOL
IMPORTANT:
EXPERIENCE
INDICATES THAT ALCO-
HOL-BLENDED
FUELS (CALLED GASOHOL OR USING
ETHANOL OR METHANOL) CAN ATTRACT MOISTURE
WHICH LEADS TO SEPARATION AND FORMATION OF
ACIDS DURING STORAGE
ACIDIC GAS CAN DAMAGE
THE FUEL SYSTEM OF AN ENGINE WHILE IN STOR-
AGE
TO AVOID ENGINE
PROBLEMS WHEN USING
GASOHOL, THE FUEL SYSTEM SHOULD BE EMPTIED
BEFORE
STORAGE
PERIODS
OF 30 DAYS
OR
LONGER
DRAIN THE GAS TANK, START THE ENGINE
AND LET IT RUN UNTIL THE FUEL LINES AND CARBU-
RETOR ARE EMPTY
USE FRESH FUEL NEXT SEA-
SON
SEE STORAGE
iNSTRUCTIONS
FOR ADDI-
TIONAL INFORMATION
NEVER USE ENGINE OR CAR-
BURETOR CLEANER PRODUCTS IN THE FUEL TANK
OR PERMANENT DAMAGE MAY OCCUR
NOTE:
Using a fuel additive such as Sears Craftsman ®
Fuel Stabilizer, or an equivalent, will prevent gum deposits
from forming in the generator's fuel system
o
While engine is stil! warm, drain oil from crankcase,
Refill with fresh oil
See SPECIFICATIONS
for oil
recommendations
on Page I
°
Remove spark plug and pour about t/2 ounce (15ml)
of engine oil into the cylinder
Replace spark plug but
do not connect spark plug wire Crank slowly to distrib-
ute oil.
i
1
cranking engine slowly.
•
Install spark plug
Do not connect spark plug wire.
o
Clean dirt, oil, and grease from cylinder, cylinder head,
fins, blower housing, rotating screen and muffler area.
=
Store generator in clean, dry area
GENERATOR:
°
Clean the generator as outlined on Page 9 ('q'o Clean
the Generator")
o
Check that cooling air slots and openings on generator
are open and unobstructed
OTHER STORAGE TIPS:
=
Do not store gasoline from one season to another.
,,
Replace your gaso3ine can if it starts to rust
Rust
and/or dirt in your gasoline can cause problems when
you use it with this unit
=
Do not store the generator under any plastic cover
Plastic cannot breathe, allowing moisture to form This
condensation can cause your generator to rust
I4
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