Husqvarna 1055 GN User Manual
S E R V I C E
O0707904
2007-12
Manual No. 204839A Revision - (08/25/2007)
531 30 97-19 1055GN
5500 Watt Portable Generator
Husqvarna® is a registered trademark of Husqvarna AB and is used under license to
Briggs & Stratton Power Products Group, LLC.
Thank you for purchasing this quality-built Husqvarna generator. We are pleased that you’ve placed your confidence in the
Husqvarna brand. When operated and maintained according to the instructions in this manual, your Husqvarna generator will
provide many years of dependable service.
This manual contains safety information to make you aware of the hazards and risks associated with generator products
and how to avoid them. This generator is designed and intended only for supplying electrical power for operating compatible
electrical lighting, appliances, tools and motor loads, and is not intended for any other purpose. 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 generator requires final assembly before use. Refer to the Assembly section of this manual for instructions on final
assembly procedures. 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 over 30,000 Briggs & Stratton authorized service dealers worldwide who provide quality service. You can also contact
Husqvarna Customer Service by phone at (877) 224-0458, or on the Internet at www.usa.husqvarna.com.
Generator
Model Number
Revision
Serial Number
Engine
Model Number
Type Number
Code Number
Date Purchased
Briggs & Stratton Power Products Group, LLC
900 North Parkway
Jefferson, WI 53549
Copyright © 2007 Briggs & Stratton Power Products Group, LLC.
All rights reserved. No part of this material may be reproduced or
transmitted in any form by any means without the express written
permission of Briggs & Stratton Power Products Group, LLC.
2 www.usa.husqvarna.com
Husqvarna® is a registered trademark of
Husqvarna AB and is used under license to
Briggs & Stratton Power Products Group, LLC.
Table of Contents
Operator Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Unpack Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Install Wheel Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Add Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Add Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
System Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Connecting to a Building’s Electrical System . . . . . . . . . . . . . . . . . . . . . . . 9
Generator Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Features and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Cord Sets and Receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Connecting Electrical Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Stopping the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Don’t Overload Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Generator Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Fuel Valve Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Warranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Emissions Control System Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Generator Owner Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Common Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Español
3
Operator Safety
Equipment Description
Read this manual carefully and become familiar
with your generator. Know its applications, its
limitations and any hazards involved.
The generator is an engine–driven, revolving field,
alternating current (AC) generator. It was designed to supply
electrical power for operating compatible electrical lighting,
appliances, tools and motor loads. The generator’s revolving
field is driven at about 3,600 rpm by a single-cylinder
engine.
NOTICE
Exceeding generators wattage/amperage capacity can
damage generator and/or electrical devices connected to
it.
• DO NOT exceed the generator’s wattage/amperage capacity.
See Don’t Overload Generator in the Operation section.
Every effort has been made to ensure that the information
in this manual is both accurate and current. However, the
manufacturer reserves the right to change, alter or otherwise
improve the generator and this documentation at any time
without prior notice.
The Emission Control System for this generator is warranted
for standards set by the Environmental Protection Agency
and the California Air Resources Board.
Hazard Symbols and Meanings
A
D
G
A - Explosion F - Hot Surface
B - Fire G - Flying Objects
C - Electric Shock H - Moving Parts
D - Toxic Fumes J - Read Manual
E - Kickback
B C
E F
H
J
Safety Rules
This is the safety alert symbol. It is used to alert
you to potential personal injury hazards. Obey all
safety messages that follow this symbol to avoid
possible injury or death.
The safety alert symbol ( ) is used with a signal word
(DANGER, WARNING, CAUTION), a pictorial and/or a safety
message to alert you to hazards. 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, might result in minor or moderate
injury. NOTICE indicates a situation that could result in
equipment damage. Follow safety messages to avoid or
reduce the risk of injury or death.
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 unsafe.
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.
• DO NOT start or run engine indoors or in an enclosed area,
(even if windows and doors are open), including the generator
compartment of a recreational vehicle (RV).
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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
Generator produces hazardous voltage.
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.
Use approved transfer equipment to isolate generator from
electric utility.
• Use a ground fault circuit interrupter (GFCI) in any damp or
highly conductive area, such as metal decking or steel work.
• DO NOT touch bare wires or receptacles.
• DO NOT use generator with electrical cords which are worn,
frayed, bare or otherwise damaged.
• DO NOT operate generator in the rain or wet weather.
• DO NOT handle generator or electrical cords while standing in
water, while barefoot, or while hands or feet are wet.
• DO NOT allow unqualified persons or children to operate or
service generator.
WARNING
Starter cord kickback (rapid retraction) can result
in bodily injury. Kickback will pull hand and arm
toward engine faster than you can let go.
Broken bones, fractures, bruises, or sprains
could result.
• When starting engine, pull cord slowly until resistance is felt
and then pull rapidly to avoid kickback.
• NEVER start or stop engine with electrical devices plugged in
and turned on.
WARNING
Fuel and its vapors are extremely flammable and
explosive.
Fire or explosion can cause severe burns or
death.
WHEN ADDING OR DRAINING FUEL
• Turn generator OFF and let it cool at least 2 minutes before
removing fuel cap. Loosen cap slowly to relieve pressure in
tank.
• Fill or drain fuel tank outdoors.
• DO NOT overfill tank. Allow space for fuel expansion.
• If fuel spills, wait until it evaporates before starting engine.
• Keep fuel away from sparks, open flames, pilot lights, heat, and
other ignition sources.
• DO NOT light a cigarette or smoke.
WHEN STARTING EQUIPMENT
• Ensure spark plug, muffler, fuel cap, and air cleaner are in
place.
• DO NOT crank engine with spark plug removed.
WHEN OPERATING EQUIPMENT
• DO NOT tip engine or equipment at angle which causes fuel to
spill.
• This generator is not for use in mobile equipment or marine
applications.
WHEN TRANSPORTING OR REPAIRING EQUIPMENT
• Transport/repair with fuel tank EMPTY or with fuel shutoff valve
OFF.
• Disconnect spark plug wire.
WHEN STORING FUEL OR EQUIPMENT WITH FUEL IN TANK
• Store away from furnaces, stoves, water heaters, clothes
dryers, or other appliances that have pilot light or other ignition
source because they can ignite fuel vapors.
WARNING
• This generator does not meet U. S. Coast Guard Regulation
33CFR-183 and should not be used on marine applications.
• Failure to use the appropriate U. S. Coast Guard approved
generator could result in death or serious injury and/or property
damage.
5
WARNING
CAUTION
Contact with muffler area can result in serious
burns.
Exhaust heat/gases can ignite combustibles,
structures or damage fuel tank causing a fire.
• DO NOT touch hot parts and AVOID hot exhaust gases.
• Allow equipment to cool before touching.
• Keep at least 5 feet (1.5 m) of clearance on all sides of
generator including overhead.
• Code of Federal Regulation (CFR) Title 36 Parks, Forests, and
Public Property require equipment powered by an internal
combustion engine to have a spark arrester, maintained in
effective working order, complying to USDA Forest service
standard 5100-1C or later revision. In the State of California a
spark arrester is required under section 4442 of the California
Public resources code. Other states may have similar laws.
WARNING
Starter and other rotating parts can entangle
hands, hair, clothing, or accessories.
• NEVER operate generator without protective housing or covers.
• 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.
WARNING
Unintentional sparking can result in fire or
electric shock.
WHEN ADJUSTING OR MAKING REPAIRS TO YOUR GENERATOR
• Disconnect the spark plug wire from the spark plug and place
the wire where it cannot contact spark plug.
WHEN TESTING FOR ENGINE SPARK
• Use approved spark plug tester.
• DO NOT check for spark with spark plug removed.
Excessively high operating speeds increase risk of injury
and damage to generator.
Excessively low speeds impose a heavy load.
• 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.
• DO NOT exceed the generator’s wattage/amperage capacity.
See Don’t Overload Generator in the Operation section.
• Start generator and let engine stabilize before connecting
electrical loads.
• Connect electrical loads in OFF position, then turn ON for
operation.
• Turn electrical loads OFF and disconnect from generator before
stopping generator.
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, ask dealer or contact
local service center.
• Operate generator only on level surfaces.
• DO NOT expose generator to excessive moisture, dust, dirt, or
corrosive vapors.
• DO NOT insert any objects through cooling slots.
• 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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Assembly
Your generator requires some assembly and is ready for use
after it has been properly serviced with the recommended
fuel and oil.
If you have any problems with the assembly of your generator,
please call the generator helpline at (877) 224-0458. If calling
for assistance, please have the model, revision, and serial
number from the data tag available. See Generator Controls
and Features for data tag location.
Install the wheel kit as follows:
1. Tip generator so that engine end is up.
2. Slide axle (A) through both mounting brackets.
3. Slide a wheel (B) over axle.
NOTE: Be sure to install wheel with raised hub inboard.
4. Place a washer (C) on axle and then place an e-ring (D)
in axle groove.
CAUTION
Unpack Generator
1. Set the carton on a rigid, flat surface.
2. Remove everything from carton except generator.
3. Open carton completely by cutting each corner from
top to bottom.
4. Leave generator on carton to install wheel kit.
The generator is supplied with:
• Engine oil bottle
• Operator’s manual
• Wheel kit
Install Wheel Kit
The wheel kit is designed to greatly improve the portability of
your generator.
NOTE: Wheel kit is not intended for over-the-road use.
You will need the following tools to install these
components:
• 13mm socket wrench
• 13mm open end wrench
• Pliers
• Safety glasses
E-rings can cause eye injury.
E-rings can spring back and become airborne
when installing or removing.
• Always wear eye protection when installing/removing e-rings.
5. Install e-ring with pliers, squeezing from top of e-ring
to bottom of axle.
6. Repeat steps 3 through 5 to secure second wheel.
7. Tip generator so that engine side is down.
8. Line up holes in support leg (E) with holes in generator
frame.
9. Attach support leg using 2 capscrews (M8 x 20 mm)
(F) and 2 hex nuts (G). Tighten with a 13 mm socket
wrench and 13 mm wrench.
10. Repeat steps 8 and 9 to secure second support leg.
11. Attach handles (H) to brackets on generator frame as
shown, with 45 mm capscrews (J), flat washers (K),
nylon washers (L), and M8 lock nuts (M).
NOTE: DO NOT overtighten. Handles must be able to move
up and down freely.
12. Return generator to normal operating position (resting
on wheels and support leg).
13. Loop handle pins (N) on generator frame just above
handle brackets.
14. Raise handles and insert handle pins to move generator.
N
L
J
K
M
H
A
F
E
7
G
B
C
D
Add Engine Oil
FUEL
TANK
1. Place generator on a flat, level surface.
2. Clean area around oil fill and remove yellow oil fill cap.
NOTE: See the section Oil to review oil recommendations.
Verify provided oil bottle is correct viscosity for current
ambient temperature.
3. Using oil funnel (optional), slowly pour contents of
provided oil bottle into oil fill opening.
NOTICE
Improper treatment of generator can damage it and
shorten its life.
• DO NOT attempt to crank or start the engine before it has been
properly serviced with the recommended oil. This may result in
an engine failure.
4. Replace oil fill cap and fully tighten.
Add Fuel
Fuel must meet these requirements:
• Clean, fresh, unleaded gasoline.
• A minimum of 87 octane/87 AKI (91 RON). High
altitude use, see High Altitude.
• Gasoline with up to 10% ethanol (gasohol) or up to
15% MTBE (methyl tertiary butyl ether) is acceptable.
WARNING
Fuel and its vapors are extremely flammable and
explosive.
Fire or explosion can cause severe burns or
death.
WHEN ADDING FUEL
• Turn generator OFF and let it cool at least 2 minutes before
removing fuel cap. Loosen cap slowly to relieve pressure in
tank.
• Fill fuel tank outdoors.
• DO NOT overfill tank. Allow space for fuel expansion.
• If fuel spills, wait until it evaporates before starting engine.
• Keep fuel away from sparks, open flames, pilot lights, heat, and
other ignition sources.
• DO NOT light a cigarette or smoke.
1. Clean area around fuel fill cap, remove cap.
2. Slowly add unleaded gasoline (A) to fuel tank (B).
Be careful not to fill above the baffle (C). This allows
adequate space for fuel expansion as shown.
C
B
A
NOTICE
Avoid generator damage.
Failure to follow Operator’s Manual for fuel
recommendations voids warranty.
• DO NOT use unapproved gasoline such as E85.
• DO NOT mix oil in gasoline.
• DO NOT modify engine to run on alternate fuels.
To protect the fuel system from gum formation, mix in a fuel
stabilizer when adding fuel. See Storage. All fuel is not the
same. If you experience starting or performance problems
after using fuel, switch to a different fuel provider or change
brands. This engine is certified to operate on gasoline.
The emission control system for this engine is EM (Engine
Modifications).
3. Install fuel cap and let any spilled fuel evaporate before
starting engine.
High Altitude
At altitudes over 5,000 feet (1524 meters), a minimum
85 octane / 85 AKI (89 RON) gasoline is acceptable. To
remain emissions compliant, high altitude adjustment is
required. Operation without this adjustment will cause
decreased performance, increased fuel consumption, and
increased emissions. See an authorized Briggs & Stratton
dealer for high altitude adjustment information. Operation of
the engine at altitudes below 2,500 feet (762 meters) with
the high altitude kit is not recommended.
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System Ground
The generator has a system ground that connects the
generator frame components to the ground terminals on the
AC output receptacles. The system ground is connected to
the AC neutral wire (the neutral is bonded to the generator
frame).
Special Requirements
There may be Federal or State Occupational Safety and
Health Administration (OSHA) regulations, local codes, or
ordinances that apply to the intended use of the generator.
Please consult a qualified electrician, electrical inspector, or
the local agency having jurisdiction:
• In some areas, generators are required to be registered
with local utility companies.
• If the generator is used at a construction site, there
may be additional regulations which must be observed.
Connecting to a Building’s Electrical System
Connections for standby power to a building’s electrical
system must be made by a qualified electrician. The
connection must isolate the generator power from utility
power or other alternative power sources and must comply
with all applicable laws and electrical codes.
WARNING
Generator Location
Clearances and Air Movement
WARNING
Exhaust heat/gases can ignite combustibles,
structures or damage fuel tank causing a fire.
• Keep at least 5 feet (1.5 m) of clearance on all sides of
generator including overhead.
Place generator outdoors in an area that will not accumulate
deadly exhaust gas. DO NOT place generator where exhaust
gas (A) could accumulate and enter inside or be drawn into
a potentially occupied building. Ensure exhaust gas is kept
away from any windows, doors, ventilation intakes, or other
openings that can allow exhaust gas to collect in a confined
area. Prevailing winds and air currents should be taken into
consideration when positioning generator.
Generator produces hazardous voltage.
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.
Use approved transfer equipment to isolate generator from
electric utility.
• Use a ground fault circuit interrupter (GFCI) in any damp or
highly conductive area, such as metal decking or steel work.
• DO NOT touch bare wires or receptacles.
• DO NOT use generator with electrical cords which are worn,
frayed, bare or otherwise damaged.
• DO NOT operate generator in the rain or wet weather.
• DO NOT handle generator or electrical cords while standing in
water, while barefoot, or while hands or feet are wet.
• DO NOT allow unqualified persons or children to operate or
service generator.
A
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