Carburetor; Carburetor Adjustment; Speed; Valve Clearance, Adjusting - Craftsman 580.328391 Owner's Manual

$ERVBCE AND ADJUSTMENTS
E_GnNE SPEED
CAUTION: Engine speed was properly adjusted at
the factory and should require no additional adjust-
ment. Do not attempt to change engine speed,. If
you believe the engine is running too fast or too
slow, take your generator to an authorized Sears
Service Center for repair and adjustment, CHANG-
ING ENGINE GOVERNED SPEED WILL VOID EN-
GINE WARRANTY,
Th speed of the generator is maintained byan elec_'onically
convolled governor. DO NOT _y to adjust the governed
speed setlJng for the following reasons:
High engine speeds are dangerous and increase the
risk of personal injury or damage to equipment
o Lowengine speeds impose a heavy load on the engine
v_nen sufficient engine power is not available and may
shorten engine life
The generator will supply correct rated AC frequency
and voltage only at the proper speed Some connected
electrical devices could be damaged by incorrect fre-
quency and/or voltage.
CARBURETOR
The carburetor of your generator set is presetatthe factory,
DO' NOT TAMP E R WITH THE CAR BUR ETOR as this will
void the v_rranty for the emission control system, If your
generator is to be used at an altitude above 5,000 feet,
consult with a Sears Authorized Service Facility regarding
high attitude jetting changes
ENGINE PERFORiV1ANCE PROBLEMS
If your engine is running below its normal performance
level, you could check for the following problems:
Check Compression: R em0ve spark plug and hold thumb
over spark plug hole v_qile 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 head gasket
o 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 shutoffvalve is open,
Make sure fuel flows freely through fuel line betv_en tank
and carburetor, Crank engine several fimes, then remove
spark plug_ If plug is v_t, look for the following:
o Overcholdng
o Rich fuel mixture
o Water in fuel
o Intake valve stuck open
If plug is dry, look for the following:
o Leaking carburetor gaskets
o Gummy or dirty carburetor
o Intake valve stock 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, t_y a newspark plug If no
spark occurs, contact Sears Service Center.
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