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Briggs & Stratton Power Products Backup Power System
Owner’s Manual
20
4. Reinstall cartridge, plate and knob.
5. Reassemble precleaner on cartridge.
6. Replace cover and attach clips to body.
Inspect Spark Arrester Screen
The engine exhaust muffler has a spark arrester screen.
Inspect the screen every 50 hours of operation or once
each year, whichever comes first..The spark arrester must
be maintained in good condition by the owner/operator.
Inspect the spark arrester as follows:
• Using a powerful flashlight, examine the circular screen
installed in the end of the exhaust port.There should be
no rips or tears in the screen.There should be little or
no accumulated soot on the screen.
• Replace the screen if torn, perforated or otherwise
damaged. Do Not use a defective screen. Consult
Generac Technical Services for assistance in changing the
screen.
• If screen is not damaged, it may be cleaned in place with
a gentle brushing from a wire brush or bottle brush.
Engine Governed Speed
CAUTION!The engine speed was properly adjusted at
the factory and should require no additional adjustment.
Do Not attempt to change engine speed. If you believe the
engine is running too fast or too slow, contact the factory
for assistance. CHANGING THE ENGINE GOVERNED
SPEED WILL VOID THE ENGINE WARRANTY AND WILL
ADVERSELY AFFECT SYSTEM OPERATION.
To assure smooth operation, keep governor linkage, springs
and controls free of debris.
Valve Lash
Valve lash must be checked while engine is cold after every
100 hours of operation.Adjust if necessary.Valve lash is:
Intake and Exhaust . . . . . 0.004 - 0.006 in. (0.10 - 0.15 mm)
Carburetor Adjustments
The engine carburetor is preset at the factory.The
carburetor should not be tampered with because doing so
will void the emission control system warranty. If you
experience problems or your engine is used at an altitude
higher than 5,000 feet, contact your installer or the factory.
If You Call the Factory:
You must have the following information at hand if it is
necessary to contact Generac Technical Services regarding
service or repair of this unit:
1. Obtain the unit Model Number and Serial Number
from the unit data decal. See “Know Your Backup
Generator” diagram for location.
2. Obtain the engine Model/Type/Code numbers from the
engine label. See “Know Your Backup Generator”
diagram for location. Please note that the model
number may vary slightly from that presented herein.
STORAGE
The Briggs & Stratton Backup Power System is designed for
continuous backup operational duty.As such, there is no
need to take any storage precautions. However, if it
becomes necessary to take the system out of service for
an extended period, call Generac Technical Services at
920-674-3750, extension 2716, between 8:00 AM and
5:00 PM CT for specific recommendations.