Briggs & Stratton Home Generator, LLC 12KW, LLC 15KW, LLC 20KW System Operator's Manual
Operator’s Manual
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Home Generator System
Thank you for purchasing this quality-built Briggs & Stratton home generator. We’re pleased that you’ve placed your
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confidence in the Briggs & Stratton brand. When operated and maintained according to the instructions in this manual, your
home generator will provide many years of dependable service.
This manual contains safety safety information to make you aware of the hazards and risks associated with home standby
generators and how to avoid them. Because we do not necessarily know all the applications this equipment could be used
for, it is important that you read and understand these instructions thoroughly before attempting to start or operate this
equipment. Save these instructions for future reference.
This home generator requires professional installation before use. Refer to the separate installation manual for full
information. Your installer should follow the instructions completely.
Where to Find Us
You never have to look far to find Briggs & Stratton support and service for your generator. Consult your Yellow Pages. There
are many Briggs & Stratton authorized service dealers worldwide who provide quality service. You can also contact Technical
Service by phone at (800) 743-4115, or click on Find a Dealer at BRIGGSandSTRATTON.COM, which provides a list of
authorized dealers.
Generator and engine model and serial numbers should be recorded in the Installation Manual.
Briggs & Stratton Power Products Group, LLC
900 North Parkway
Jefferson, WI 53549
Copyright © 2009. All rights reserved. No part of this material
may be reproduced or transmitted in any form without the express
written permission of Briggs & Stratton Power Products Group, LLC.
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Table of Contents
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Important Safety Instructions........................4
Installation ....................................7
Owner Orientation ............................................7
Fuel Factors .................................................7
Essential Circuits .............................................8
Delivery Inspection............................................9
Controls ..................................... 10
Home Generator.............................................10
System Control Panel.........................................11
Access Ports ...............................................12
Operation .................................... 12
Engine Oil..................................................12
Battery ....................................................12
15 Amp Fuse ...............................................13
Automatic Operation .........................................13
Setting Exercise Timer ........................................13
Maintenance .................................. 14
Fault Detection System .......................................14
Engine Oil..................................................16
Battery ....................................................16
Cleaning the Generator........................................17
Troubleshooting................................ 18
Warranty..................................... 19
Product Specifications ........................... 20
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Save These Instructions
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Important Safety Instructions
SAVE THESE INSTRUCTIONS - This manual contains
important instructions that should be followed during
installation and maintenance of the generator and batteries.
Safety Symbols and Meanings
Explosion
Toxic Fumes
Lift Hazard
The safety alert symbol indicates a potential personal
injury hazard. A signal word (DANGER, WARNING, or
CAUTION) is used with the alert symbol to designate a
degree or level of hazard seriousness. A safety symbol
may be used to represent the type of hazard. The signal
word NOTICE is used to address practices not related to
personal injury.
DANGER indicates a hazard which, if not avoided, will
result in death or serious injury.
WARNING indicates a hazard which, if not avoided, could
result in death or serious injury.
CAUTION indicates a hazard which, if not avoided, could
result in minor or moderate injury.
NOTICE addresses practices not related to personal injury.
The manufacturer cannot possibly anticipate every possible
circumstance that might involve a hazard. The warnings in
this manual, and the tags and decals affixed to the unit are,
therefore, not all-inclusive. If you use a procedure, work
method or operating technique that the manufacturer does
not specifically recommend, you must satisfy yourself that
it is safe for you and others. You must also make sure that
the procedure, work method or operating technique that you
choose does not render the generator system unsafe.
Fire
Rotating Parts
Read Manual
Electrical Shock
Hot Surface
Chemical BurnExplosive PressureAuto Start
WARNING Running engine gives off carbon
monoxide, an odorless, colorless, poison gas.
Breathing carbon monoxide can cause headache,
fatigue, dizziness, vomiting, confusion, seizures,
nausea, fainting or death.
Operate generator ONLY outdoors.•
Install a battery operated carbon monoxide alarm near •
the bedrooms.
Keep exhaust gas from entering a confined area through •
windows, doors, ventilation intakes, or other openings.
WARNING The engine exhaust from this product
contains chemicals known to the State of California to
cause cancer, birth defects, or other reproductive harm.
WARNING Certain components in this product and
related accessories contain chemicals known to the
State of California to cause cancer, birth defects, or
other reproductive harm. Wash hands after handling.
WARNING Storage batteries give off explosive
hydrogen gas during recharging.
Slightest spark will ignite hydrogen
and cause explosion.
Battery electrolyte fluid contains
acid and is extremely caustic.
Contact with battery contents will cause severe
chemical burns.
A battery presents a risk of electrical shock and high short
circuit current.
DO NOT dispose of battery in a fire. Recycle battery.•
DO NOT allow any open flame, spark, heat, or lit cigarette •
during and for several minutes after charging a battery.
DO NOT open or mutilate the battery.•
Wear protective goggles, rubber apron, rubber boots and •
rubber gloves.
Remove watches, rings, or other metal objects.•
Use tools having insulated handles.•
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WARNING Generator produces hazardous voltage.
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Failure to properly ground generator can result in
electrocution.
Failure to isolate generator from power utility can
result in death or injury to electric utility workers
due to backfeed of electrical energy.
When using generator for backup power, notify •
utility company.
DO NOT touch bare wires or bare receptacles.•
DO NOT use generator with electrical cords which are •
worn, frayed, bare or otherwise damaged.
DO NOT handle generator or electrical cords while •
standing in water, while barefoot, or while hands or feet
are wet.
If you must work around a unit while it is operating, •
stand on an insulated dry surface to reduce the risk of a
shock hazard.
DO NOT allow unqualified persons or children to operate •
or service generator.
In case of an accident caused by electrical shock, •
immediately shut down the source of electrical power and
contact the local authorities. Avoid direct contact with
the victim.
Despite the safe design of the home generator, operating •
this equipment imprudently, neglecting its maintenance or
being careless can cause possible injury or death.
Remain alert at all times while working on this equipment. •
Never work on the equipment when you are physically or
mentally fatigued.
Before performing any maintenance on the generator, •
disconnect the battery cable indicated by a NEGATIVE,
NEG or (-) first. When finished, reconnect that cable last.
After your system is installed, the generator may crank •
and start without warning any time there is a power
failure. To prevent possible injury, always set the
generator’s system switch to OFF, remove the service
disconnect from the disconnect box AND remove the
15 Amp fuse BEFORE working on the equipment.
WARNING Propane and Natural Gas are extremely
flammable and explosive.
Fire or explosion can cause severe burns
or death.
Install the fuel supply system according to NFPA 37 and •
other applicable fuel-gas codes.
Before placing the generator into service, the fuel system •
lines must be properly purged and leak tested.
After the generator is installed, you should inspect the fuel •
system periodically.
NO leakage is permitted.•
DO NOT operate engine if smell of fuel is present or other •
explosive conditions exist.
DO NOT smoke around the generator. Wipe up any oil •
spills immediately. Ensure that no combustible materials
are left in the generator compartment. Keep the area near
the generator clean and free of debris.
WARNING Contact with muffler area can result in
serious burns.
Exhaust heat/gases can ignite combustibles
or structures causing a fire.
DO NOT touch hot parts and AVOID hot exhaust gases.•
Allow equipment to cool before touching.•
DO NOT install the generator closer than 5 feet (1.5m) •
from any combustibles or structures with combustible
walls having a fire resistance rating of less than 1 hour.
Keep at least minimum distances shown in • General
Location Guidelines to insure for proper generator cooling
and maintenance clearances.
It is a violation of California Public Resource Code, •
Section 4442, to use or operate the engine on any forestcovered, brush-covered, or grass-covered land unless
the exhaust system is equipped with a spark arrester, as
defined in Section 4442, maintained in effective working
order. Other states or federal jurisdictions may have
similar laws.
Contact the original equipment manufacturer, retailer, or
dealer to obtain a spark arrester designed for the exhaust
system installed on this engine.
Replacement parts must be the same and installed in the •
same position as the original parts.
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WARNING Starter and other rotating parts can
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entangle hands, hair, clothing, or accessories.
NEVER operate generator without protective housings, •
covers, or guards in place.
DO NOT wear loose clothing, jewelry or anything that may •
be caught in the starter or other rotating parts.
Tie up long hair and remove jewelry.•
Before servicing, remove 15 Amp fuse from control panel •
and disconnect Negative (NEG or -) battery cable.
CAUTION Installing the 15A fuse could cause the
engine to start.
Observe that the 15 Amp fuse has been removed from the •
control panel for shipping.
DO NOT install this fuse until all plumbing and wiring has •
been completed and inspected.
CAUTION Excessively high operating speeds increase
risk of injury and damage to generator.
Excessively low speeds impose a heavy load on generator.
DO NOT tamper with governed speed. Generator supplies •
correct rated frequency and voltage when running at
governed speed.
DO NOT modify generator in any way.•
NOTICE Exceeding generators wattage/amperage
capacity can damage generator and/or electrical devices
connected to it.
See • Essential Circuits in operator’s manual.
Start generator and let engine stabilize before connecting •
electrical loads.
NOTICE Improper treatment of generator can damage it
and shorten its life.
Use generator only for intended uses.•
If you have questions about intended use, contact your •
authorized dealer.
Operate generator only on level surfaces.•
Adequate, unobstructed flow of cooling and ventilating air •
is critical to correct generator operation.
The Oil Fill, Oil Drain and the Control Panel doors must be •
installed whenever the unit is running.
DO NOT expose generator to excessive moisture, dust, •
dirt, or corrosive vapors.
Despite the safe design of the home generator, operating •
this equipment imprudently, neglecting its maintenance or
being careless can cause possible injury or death.
Remain alert at all times while working on this equipment. •
Never work on the equipment when you are physically or
mentally fatigued.
DO NOT start engine with air cleaner or air cleaner •
cover removed.
DO NOT insert any objects through cooling slots.•
DO NOT use the generator or any of its parts as a step. •
Stepping on the unit can cause stress and break parts.
This may result in dangerous operating conditions from
leaking exhaust gases, fuel leakage, oil leakage, etc.
If connected devices overheat, turn them off and •
disconnect them from generator.
Shut off generator if: •
-electrical output is lost;
-equipment sparks, smokes, or emits flames;
-unit vibrates excessively.
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