Generac Power Systems 006001-0 Owner's Manual

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Table of Contents

Section 1: Introduction and Safety Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Read This Manual Thoroughly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Safety Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

General Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Exhaust & Location Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Electrical Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Fire Hazards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Standards Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Section 2: General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Assembling the Accessory Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Emissions Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Generator Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Engine Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

High Altitude Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Know The Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Connection Plugs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

120 VAC, 20 Amp, Duplex Receptacle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

120/240 VAC, 30 Amp Receptacle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Hourmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Section 3: Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

How To Use The Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Grounding The Generator When Used As A Portable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Connecting The Generator To A Building’s Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Don’t Overload the Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Wattage Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Before Starting the Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Adding Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Connecting LP Fuel Tank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Starting the Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Stopping The Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Low Oil Level Shutdown System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Section 4: Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

General Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Generator Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

To Clean The Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Checking Oil Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Changing The Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Replacing The Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Service Air Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Clean Spark Arrestor Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Valve Clearance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Generator Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Long Term Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Other Storage Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Section 5: Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

. . . . . . . . . . . . . . . . . . . .

. . .17

Section 1

Introduction and Safety Rules

Thank you for purchasing this model by Generac Power Systems, Inc.
This model is a compact, high performance, air-cooled, engine driven
generator designed to supply electrical power to operate electrical
loads where no utility power is available or in place of utility due to a
power outage.

1.1  READ THIS MANUAL THOROUGHLY

If any portion of this manual is not understood, contact the nearest
Authorized Dealer for starting, operating and servicing procedures.

The operator is responsible for proper and safe use of the equipment.
We strongly recommend that the operator read this manual and thor­oughly understand all instructions before using the equipment. We
also strongly recommend instructing other users to properly start and
operate the unit. This prepares them if they need to operate the equip­ment in an emergency.

The generator can operate safely, efficiently and reliably only if it is
properly located, operated and maintained. Before operating or ser­vicing the generator:

• Become familiar with and strictly adhere to all local, state and
national codes and regulations.

• Study all safety warnings in this manual and on the product care­fully.

Become familiar with this manual and the unit before use.

The manufacturer cannot anticipate every possible circumstance that
might involve a hazard. The warnings in this manual, and on tags and
decals affixed to the unit are, therefore, not all inclusive. If using a pro­cedure, work method or operating technique that the manufacturer
does not specifically recommend, ensure that it is safe for others. Also
make sure the procedure, work method or operating technique uti­lized does not render the generator unsafe.

THE INFORMATION CONTAINED HEREIN WAS BASED ON
MACHINES IN PRODUCTION AT THE TIME OF PUBLICATION.
GENERAC RESERVES THE RIGHT TO MODIFY THIS MANUAL AT
ANY TIME.

Save these instructions for future reference. If you loan this
device to someone, ALWAYS loan these instructions to the indi­vidual as well.

1.2  SAFETY RULES

Throughout this publication, and on tags and decals affixed to the
generator, DANGER, WARNING, CAUTION and NOTE blocks are
used to alert personnel to special instructions about a particular oper­ation that may be hazardous if performed incorrectly or carelessly.
Observe them carefully. Their definitions are as follows:

INDICATES A HAZARDOUS SITUATION OR ACTION WHICH, IF
NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS INJURY.

Indicates a hazardous situation or action which, if not avoided,
could result in death or serious injury.

Indicates a hazardous situation or action which, if not
avoided, could result in minor or moderate injury.

NOTE:

Notes contain additional information important to a procedure

and will be found within the regular text body of this manual.

These safety warnings cannot eliminate the hazards that they indi­cate. Common sense and strict compliance with the special instruc­tions while performing the action or service are essential to preventing
accidents.

Four commonly used safety symbols accompany the DANGER,
WARNING and CAUTION blocks. The type of information each indi­cates is as follows:

This symbol points out important safety information that,
if not followed, could endanger personal safety and/or
property of others.

This symbol points out potential explosion hazard.

5,500 Watt LP Series Portable Generator 1

This symbol points out potential fire hazard.

This symbol points out potential electrical shock hazard.

Introduction and Safety Rules

1.2.1  General Hazards

• NEVER operate in an enclosed area, in a vehicle, or indoors
EVEN IF doors and windows are open.

• For safety reasons, the manufacturer recommends that the main­tenance of this equipment is carried out by an Authorized Dealer.
Inspect the generator regularly, and contact the nearest Autho­rized Dealer for parts needing repair or replacement.

• Operate generator only on level surfaces and where it will not be
exposed to excessive moisture, dirt, dust or corrosive vapors.

• Keep hands, feet, clothing, etc., away from drive belts, fans, and
other moving parts. Never remove any fan guard or shield while
the unit is operating.

• Certain parts of the generator get extremely hot during operation.
Keep clear of the generator until it has cooled to avoid severe
burns.

• Do NOT operate generator in the rain.

• Do not alter the construction of the generator or change controls
which might create an unsafe operating condition.

• Never start or stop the unit with electrical loads connected to
receptacles AND with connected devices turned ON. Start the
engine and let it stabilize before connecting electrical loads. Dis­connect all electrical loads before shutting down the generator.

• Do not insert objects through units cooling slots.

• When working on this equipment, remain alert at all times. Never
work on the equipment when physically or mentally fatigued.

• Never use the generator or any of its parts as a step. Stepping on
the unit can stress and break parts, and may result in dangerous
operating conditions from leaking exhaust gases, fuel leakage, oil
leakage, etc.

1.2.2  Exhaust & Location Hazards

Never operate in an enclosed area or indoors! NEVER use in the
home, in a vehicle, or in partly enclosed areas such as garages,
EVEN IF doors and windows are open! ONLY use outdoors and
far from open windows, doors, vents, and in an area that will not
accumulate deadly exhaust.

• The engine exhaust fumes contain carbon monoxide, which you
cannot see or smell. This poisonous gas, if breathed in sufficient
concentrations, can cause unconsciousness or even death.

• Adequate, unobstructed flow of cooling and ventilating air is criti­cal to correct generator operation. Do not alter the installation or
permit even partial blockage of ventilation provisions, as this can
seriously affect safe operation of the generator. The generator
MUST be operated outdoors.

• This exhaust system must be properly maintained. Do nothing that
might render the exhaust system unsafe or in noncompliance with
any local codes and/or standards.

• Always use a battery operated carbon monoxide alarm indoors,
installed according to the manufacturers instructions.

• If you start to feel sick, dizzy, or weak after the generator has been
running, move to fresh air IMMEDIATELY. See a doctor, as you
could have carbon monoxide poisoning.

1.2.3  Electrical Hazards

• The generator produces dangerously high voltage when in opera­tion. Avoid contact with bare wires, terminals, connections, etc.,
while the unit is running, even on equipment connected to the
generator. Ensure all appropriate covers, guards and barriers are
in place before operating the generator.

• Never handle any kind of electrical cord or device while standing
in water, while barefoot or while hands or feet are wet. DANGER-

OUS ELECTRICAL SHOCK MAY RESULT.

• The National Electric Code (NEC) requires the frame and external
electrically conductive parts of the generator be properly con­nected to an approved earth ground. Local electrical codes may
also require proper grounding of the generator. Consult with a
local electrician for grounding requirements in the area.

• Use a ground fault circuit interrupter in any damp or highly con­ductive area (such as metal decking or steel work).

• Do not use worn, bare, frayed or otherwise damaged electrical
cord sets with the generator.

• Before performing any maintenance on the generator, discon­nect the engine starting battery (if equipped) to prevent accidental
start up. Disconnect the cable from the battery post indicated by a
NEGATIVE, NEG or (–) first. Reconnect that cable last.

• In case of accident caused by electric shock, immediately shut
down the source of electrical power. If this is not possible, attempt
to free the victim from the live conductor. AVOID DIRECT CON-
TACT WITH THE VICTIM. Use a non-conducting implement, such
as a rope or board, to free the victim from the live conductor. If the
victim is unconscious, apply first aid and get immediate medical
help.

2 5,500 Watt LP Series Portable Generator

Introduction and Safety Rules

1.2.4  Fire Hazards

• LP gas is highly EXPLOSIVE.

• Flammable gas under pressure can cause a fire or explosion if
ignited.

• LP gas is heavier that air and can settle in low places while dissi­pating.

• LP gas has a distinctive odor added to help detect potential leaks
quickly.

• In any propane gas fire, flames should not be extinguished unless
by doing so the fuel supply valve can be turned OFF.

• If the fire is extinguished and a supply of fuel is not turned OFF, an
explosion hazard greater than the fire hazard could be created.

• When exchanging LP cylinders, be sure the cylinder valve is of the
same type.

• Wipe up any fuel or oil spills immediately. Ensure that no combus­tible materials are left on or near the generator. Keep the area sur­rounding the generator clean and free from debris and keep a
clearance of five (5) feet on all side to allow for proper ventilation
of the generator.

• Do not insert objects through units cooling slots.

• Do not operate the generator if connected electrical devices over­heat, if electrical output is lost, if engine or generator sparks or if
flames or smoke are observed while unit is running.

• Keep a fire extinguisher near the generator at all times.

NOTE:

This generator is equipped with a spark arrestor muffler. The
spark arrestor must be maintained in effective working order by
the owner/operator. In the state of California, a spark arrestor is

required by law (Section 4442 of the Public Resources Code).

Other states may have similar laws. Federal laws apply on

federal lands.

1.2.5  Standards Index

1. National Fire Protection Association (NFPA) 70: The NATIONAL
ELECTRIC CODE (NEC) available from www.nfpa.org

2. National Fire Protection Association (NFPA) 5000: BUILDING
CONSTRUCTION AND SAFETY CODE available from
www.nfpa.org

3. International Building Code available from www.iccsafe.org

4. Agricultural Wiring Handbook available from www.rerc.org ,
Rural Electricity Resource Council P.O. Box 309 Wilmington, OH
45177-0309

5. ASAE EP-364.2 Installation and Maintenance of Farm Standby
Electric Power available from www.asabe.org, American Society
of Agricultural & Biological Engineers 2950 Niles Road, St.
Joseph, MI 49085

This list is not all inclusive. Check with the Authority Having Local
Jurisdiction (AHJ) for any local codes or standards which may be
applicable to your jurisdiction.

Model Number

Serial Number

Figure 1: Unit ID Location

'%0-*362-%463437-8-32;%62-2+

)RKMRII\LEYWXERHWSQISJMXWGSRWXMXYIRXWEVIORS[R

XSXLI7XEXISJ'EPMJSVRMEXSGEYWIGERGIVFMVXLHIJIGXW

ERHSXLIVVITVSHYGXMZILEVQ

'%0-*362-%463437-8-32;%62-2+

8LMWTVSHYGXGSRXEMRWSVIQMXWGLIQMGEPWORS[RXSXLI

7XEXISJ'EPMJSVRMEXSGEYWIGERGIVFMVXLHIJIGXWERH

SXLIVVITVSHYGXMZILEVQ

5,500 Watt LP Series Portable Generator 3

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Introduction and Safety Rules

4 Enter Publication Title Here

Section 2

General Information

2.1  Unpacking

 Remove all packaging material.

 Remove separate accessory box.

 Remove the generator from carton.

2.1.1  Accessories

Check all contents. If any parts are missing or damaged, locate an
authorized dealer at 1-888-436-3722.

 Product Registration and Warranty Cards

 1 - Owner’s Manual

 1 - Liter Oil SAE 10W-30

 2 - Never-Flat Wheels

 2 - Frame Foot

 1 - Fuel Cylinder Retaining Strap

 1 - Oil Funnel

 1 - Hardware Bag (containing the following):

— 2-Rubber Feet
— 2-5/8” Axle Pins (B)
— 2-Cotter Pins (Hairpin) (C)
— 2-5/8” Flat Washers (D)
— Spark Plug Service Tool

(A) — 4-M8 Bolt (Long) (E)

— 2-M6 Bolts (Long) (F)
— 4-Hex Flanged M8 Nuts (G)
— 2-Hex Flanged M6 Nuts (H)
— 1- Cotter Pin (Strap)

2. Refer to Figure 2-2 and install the Frame Feet and Rubber Bum­pers as shown.

— Slide the Rubber Bumper M6 Bolts through the Frame Foot,

Rubber Bumper. Then install the Locking Flange Nuts.

Tighten securely.
— Slide the Hex Head Bolts through the holes in the Frame Rail.
— Slide the Frame Foot onto the Hex Head Bolts then install the

Locking Flange Nuts. Tighten securely.

Figure 2-1: Wheel & Feet Assembly

2.2  Assembly

The generator requires some assembly prior to using it. If problems
arise when assembling the generator, please call the Generator Help­line at 1-888-436-3722.

2.2.1  Assembling the Accessory Kit

The wheels are designed into the unit to greatly improve the portabil­ity of the generator.

You will need the following tools to properly install the accessory kit.

 Needle Nose Pliers

 Ratchet and 8mm, 10mm, and 13mm sockets

 12mm, 10mm, and 13mm box wrenches

NOTE:

The wheels are not intended for over-the-road use.

1. Refer to Figure 2-1 and install the Wheels as follows:
— Slide the Axle Pin through the Wheel, Wheel Bracket on the

frame and 5/8" Flat Washer.

— Insert the Cotter Pin through the Axle Pin to lock into place.

Figure 2-2: Frame Feet and Rubber Bumpers

Figure 2-3: Fuel Cylinder Retaining Strap

5,500 Watt LP Series Portable Generator 5

General Information

2.3  Emissions Information

The Environmental Protection Agency (and California Air Resource
Board for generators certified to CA standards) requires that this gen­erator comply with exhaust and evaporative emission standards.
Locate the emissions compliance decal on the engine to determine
what standards the generator meets, and to determine which war­ranty applies. This generator is certified to operate on gasoline. The
emission control system includes the following components (if
equipped):

 Air Induction System

— Intake Pipe / Manifold
— Air Cleaner

 Fuel System

— Carburetor/Mixer Assembly
— Fuel Regulator

 Ignition System

— Spark Plug
— Ignition Module

 Exhaust System

— Exhaust Manifold
— Muffler
— Pulsed Air Valve
— Catalyst

2.4  Product Specifications

2.4.3  High Altitude Operation

At high altitude, the standard carburetor air-fuel mixture will be too
rich. Performance will decrease and fuel consumption will increase. A
very rich mixture will also foul the spark plug and cause hard starting.
Operation at an altitude that differs from that at which this engine was
certified, for extended periods of time, may increase emissions.
High altitude performance can be improved by specific modifications
to the carburetor. If you always operate your engine at altitudes above
5,000 feet (1,500 meters), have your servicing dealer perform this car­buretor modification. This engine, when operated at high altitude with
the carburetor modifications for high altitude use, will meet each emis­sion standard throughout its useful life.
See the table below to determine when an altitude kit is required..

Units Fuel

5.5kW LP

* Elevation above sea level.
** At elevations above 7000 feet the engine may experience decreased

performance.

Call 1-888-GENERAC to order an altitude kit if you are operating

the generator at 5000 - 7000 feet.

Altitude

Range*

0 - 5000 ft Not Required

5000 - 7000 ft 0K2111

Kit Part Numbers

NOTE:

2.4.1  Generator Specifications

Rated Power........................................................................5.5 kW***

Surge Power........................................................................6.875 kW

Rated AC Voltage..................................................................120/240

Rated AC Load

Current @ 240V............................................................22.9 Amps**

Current @ 120V............................................................45.8 Amps**

Rated Frequency .................................................60 Hz @3600 RPM

Phase.............................................................................Single Phase

Operating Temperature Range ........0° F (-17° C) to 110° F (43° C)*

* Operating temperature range: -18° C (0° F) to 40° C (104° F). When operated above

25° C (77° F) there may be a decrease in power.

** Maximum wattage and current are subject to, and limited by, such factors as fuel Btu

content, ambient temperature, altitude, engine condition, etc.. Maximum power
decreases about 3.5% for each 1,000 feet above sea level; and will also decrease
about 1% for each 6° C (10° F) above 16° C (60° F) ambient temperature.

2.4.2  Engine Specifications

Displacement............................................................................389 cc

Spark Plug Type .........................NHSP LDF7TC or Champion N9YC

Spark Plug Part No.........................................................0G84420101

Spark Plug Gap ..........................0.028-0.031 inch or (0.70-0.80 mm)

Fuel Capacity.............................................. 20 or 30 Pounds LP Tank

Oil Type............See Chart in “Before Starting the Generator” Section

Oil Capacity ................................................................ 1.0 L (1.06 Qt.)

Run Time at 50% Load

20 lb. LP Tank ......................................................... 4 Hours, 46 Min.

30 lb. LP Tank...........................................................7 Hours, 9 Min.

2.5  Know The Generator

Read the Owners Manual and Safety Rules before operating this
generator.

Compare the generator to Figures 2-4 through 2-8 to become familiar­ized with the locations of various controls and adjustments.

1. 120 Volt AC, 20 Amp, Duplex Receptacle – Supplies electrical
power for the operation of 120 Volt AC, 20 Amp, single-phase, 60
Hz electrical lighting, appliance, tool and motor loads.

2. 120/240 Volt AC, 30 Amp Locking Receptacle – Supplies elec­trical power for the operation of 120 and/or 240 Volt AC, 30 Amp,
single-phase, 60 Hz, electrical lighting, appliance, tool and motor
loads.

3. Circuit Breakers (AC) – A 2-pole circuit breaker protects the
rated output of the generator. Each duplex receptacle is provided
with a push-to-reset circuit breaker to protect the generator
against electrical overload.

4. Hourmeter - Tracks hours of operation to perform required
maintenance.

6 5,500 Watt LP Series Portable Generator

General Information

Figure 2-4: Control Panel

5. Oil Drain – Use to drain engine oil.

6. Grounding Lug – Ground the generator to an approved earth
ground here. See "Grounding the Generator" for details.

7. Oil Fill – Add oil here and check level with dipstick.

Figure 2-6: Generator Controls

Figure 2-5: Generator Grounding & Oil Drain/Fill

8. Air Filter – Filters intake air as it is drawn into the engine.

9. Muffler – Quiets the engine, includes the spark arrestor.

10. Recoil Starter Handle – Use to start the engine manually.

11. Handle – Pivot and retract for storage. Press the spring-loaded
button to move handles.

12. Tank Bracket – Supports the LP Fuel Cylinder with two (2) lock-
ing pins in place and folds up for transport or storage when not in
use with one (1) locking pin.

13. Fuel Tank –

right hand Acme threads with protective cap (sold separately)

14. Power Dial – Combines the engine choke, the LP regulator
Primer and the engine ignition On/Off switch in one location.

15. Tank Strap – Rubber strap assembly attaches to the cradle t o
with a Cotter Pin on one side and slides into a keyhole slot on the
other side of the cradle. Secure the LP Fuel Cylinder in place.

16. Fuel Shut Off – Valve is on the fuel tank.

Standard 20 or 30 pound capacity LP tank with Type 1,

.

Figure 2-7: Generator Controls

Figure 2-8: Tank Bracket

5,500 Watt LP Series Portable Generator 7

General Information

2.6  Connection Plugs

2.6.1  120 VAC, 20 Amp, Duplex Receptacle

This is a 120 Volt outlet protected against overload by a 20 Amp push­to-reset circuit breaker (Figure 2-9). Use each socket to power 120
Volt AC, single phase, 60 Hz electrical loads requiring up to a com­bined 2400 watts (2.4 kW) or 20 Amps of current. Use only high qual­ity, well-insulated, 3-wire grounded cord sets rated for 125 Volts at 20
Amps (or greater). Each outlet is protected by a 1-pole, 20 Amp,
push-button circuit breaker.

Keep extension cords as short as possible, preferably less than 15
feet long, to prevent voltage drop and possible overheating of wires.

Figure 2-9: 120 Volt AC, 20 Amp, Duplex Receptacle

2.7  Hourmeter

The Hourmeter tracks hours of operation for scheduled maintenance
(Figure 2-11):

There will be a "CHG OIL" message every 100 hours. The message
will flash one hour before and one hour after each 100 hour interval,
providing a two hour window to perform service.

This message will actually begin flashing at 99 hours and disable itself
at 101 hours again, providing a two hour window to perform the ser­vice.

Every 200 hours the "SVC" icon on the lower left hand corner of the
display will flash. The message will flash one hour before and one
hour after each 200 hour interval providing a two hour window to per­form service.

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2.6.2  120/240 VAC, 30 Amp Receptacle

Use a NEMA L14-20R Plug with this receptacle (rotate to lock/
unlock). Connect a suitable 4-wire grounded cord set to the plug and
to the desired load. The cord set should be rated for 250 Volts AC at
30 Amps (or greater) (Figure 2-10).

Figure 2-10: 120/240 VAC, 30 Amp Receptacle

Use this receptacle to operate 120 Volt AC, 60 Hz, single phase loads
requiring up to 3000 watts (3.0 kW) of power at 25 Amps or 240 Volt
AC, 60 Hz, single phase loads requiring up to 5500 watts (5.5 kW) of
power at 22.9 Amps. The outlet is protected by a 2-pole 25 Amp
rocker type circuit breaker.

Figure 2-11: Hourmeter

When the hour meter is in the Flash Alert mode, the maintenance
message will always alternate with elapsed time in hours and tenths.
The hours will flash four times, then alternate with the maintenance
message four times until the meter resets itself.

 100 hours - CHG OIL — Oil Change Interval (Every 100 hrs)

 200 hours - SVC — Service Air Filter (Every 200 hrs)

NOTE:

The hour glass graphic will flash on and off when the engine

is running. This signifies that the meter is tracking hours

of operation.

8 5,500 Watt LP Series Portable Generator

Section 3

Operation

3.1  How To Use The Generator

See the "To Start the Engine" section for how to safely start and stop
the generator and how to connect and disconnect loads. If there are
any problems operating the generator, please call the generator help­line at 1-888-436-3722.

Never operate in an enclosed area or indoors! NEVER
use in the home, in a vehicle, or in partly enclosed areas
such as garages, EVEN IF doors and windows are open!
ONLY use outdoors and far from open windows, doors,
vents, and in an area that will not accumulate deadly
exhaust.

The engine exhaust fumes contain carbon monoxide,
which you cannot see or smell. This poisonous gas, if
breathed in sufficient concentrations, can cause uncon­sciousness or even death.

Adequate, unobstructed flow of cooling and ventilating
air is critical to correct generator operation. Do not alter
the installation or permit even partial blockage of ventila­tion provisions, as this can seriously affect safe opera­tion of the generator. The generator MUST be operated
outdoors.

This exhaust system must be properly maintained. Do
nothing that might render the exhaust system unsafe or
in noncompliance with any local codes and/or standards.

Always use a battery operated carbon monoxide alarm
indoors, installed according to the manufacturer's
instructions.

3.1.1  Grounding The Generator When Used As A
Portable

This generator has an equipment ground that connects the generator
frame components to the ground terminals on the AC output recepta­cles (see NEC 250.34 (A) for explanation). This allows the generator
to be used as a portable without grounding the frame of the generator
as specified in NEC 250.34.

3.1.1.1  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.

3.1.2  Connecting The Generator To A Buildings
Electrical System

Connections for standby power to a building’s electrical system
should be made by a qualified electrician and in strict compliance with
all national and local electrical codes and laws. The connection must
isolate the generator power from utility power or other alternative
power sources.

NOTE:

Because the generator equipment ground is bonded to the AC

neutral wires in the generator, either a 3-pole transfer switch or a

2 pole transfer switch with a switching neutral kit is required to

connect this generator to a building load. In this application the

generator becomes a separately derived system (see NEC 250.20

(D)), and must be grounded in accordance with the national or

local electrical code requirements.

5,500 Watt LP Series Portable Generator 9

3.1.2.1  Grounding The Generator In A Building

Standby Application

The National Electrical Code requires that the frame and
external electrically conductive parts of this generator be
properly connected to an approved earth ground.

Operation

Local electrical codes may also require proper grounding of the unit
(Figure 3-1). For that purpose, connecting a No. 10 AWG (American
Wire Gauge) stranded copper wire to the grounding lug and to an
earth-driven copper or brass grounding rod (electrode) provides ade­quate protection against electrical shock. However, local codes may
vary widely. Consult with a local electrician for grounding require-

ments in the area.

Proper grounding of the generator will help prevent electrical
shock in the event of a ground fault condition in the generator or in

connected electrical devices. Proper grounding also helps dissipate
static electricity, which often builds up in ungrounded devices.

Figure 3-1: Grounding the Generator

3.2  Dont Overload the Generator

Overloading a generator in excess of its rated wattage capacity can
result in damage to the generator and to connected electrical devices.
Observe the following to prevent overloading the unit:

• Add up the total wattage of all electrical devices to be connected
at one time. This total should NOT be greater than the generator's
wattage capacity.

• The rated wattage of lights can be taken from light bulbs. The
rated wattage of tools, appliances and motors can usually be
found on a data label or decal affixed to the device.

• If the appliance, tool or motor does not give wattage, multiply volts
times ampere rating to determine watts (volts x amps = watts).

• Some electric motors, such as induction types, require about three
times more watts of power for starting than for running. This surge
of power lasts only a few seconds when starting such motors.
Make sure to allow for high starting wattage when selecting elec­trical devices to connect to the generator:

1. Figure the watts needed to start the largest motor.

2. Add to that figure the running watts of all other connected loads.
The Wattage Reference Guide is provided to assist in determining

how many items the generator can operate at one time.

NOTE:

All figures are approximate. See data label on appliance for watt-

age requirements.

3.3  Wattage Reference Guide

Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Running Watts

*Air Conditioner (12,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . . 1700

*Air Conditioner (24,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . . 3800

*Air Conditioner (40,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . . 6000

Battery Charger (20 Amp). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500

Belt Sander (3"). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000

Chain Saw. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200

Circular Saw (6-1/2"). . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 to 1000

*Clothes Dryer (Electric) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5750

*Clothes Dryer (Gas). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700

*Clothes Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1150

Coffee Maker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1750

*Compressor (1 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000

*Compressor (3/4 HP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800

*Compressor (1/2 HP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400

Curling Iron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700

*Dehumidifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650

Disc Sander (9") . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200

Edge Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500

Electric Blanket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400

Electric Nail Gun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200

Electric Range (per element) . . . . . . . . . . . . . . . . . . . . . . . . . . 1500

Electric Skillet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250

*Freezer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .700

*Furnace Fan (3/5 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 875

*Garage Door Opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 to 750

Hair Dryer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200

Hand Drill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 to 1100

Hedge Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450

Impact Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500

Iron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200

*Jet Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800

Lawn Mower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200

Light Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Microwave Oven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700 to 1000

*Milk Cooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1100

Oil Burner on Furnace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300

Oil Fired Space Heater (140,000 Btu). . . . . . . . . . . . . . . . . . . . . 400

Oil Fired Space Heater (85,000 Btu). . . . . . . . . . . . . . . . . . . . . . 225

Oil Fired Space Heater (30,000 Btu). . . . . . . . . . . . . . . . . . . . . . 150

*Paint Sprayer, Airless (1/3 HP) . . . . . . . . . . . . . . . . . . . . . . . . . 600

Paint Sprayer, Airless (hand-held) . . . . . . . . . . . . . . . . . . . . . . . 150

Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 to 200

*Refrigerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700

Slow Cooker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

*Submersible Pump (1-1/2 HP). . . . . . . . . . . . . . . . . . . . . . . . . 2800

*Submersible Pump (1 HP). . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000

*Submersible Pump (1/2 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . 1500

*Sump Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 to 1050

*Table Saw (10") . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1750 to 2000

Television . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 to 500

Toaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 to 1650

Weed Trimmer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500

* Allow 3 times the listed watts for starting these devices.

10 5,500 Watt LP Series Portable Generator

Operation

3.4  Before Starting the Generator

Prior to operating the generator, engine oil and LP fuel will need to be
added, as follows:

3.4.1  Adding Engine Oil

All oil should meet minimum American Petroleum Institute (API) Ser­vice Class SJ, SL or better. Use no special additives. Select the oil's
viscosity grade according to the expected operating temperature (also
see chart).

• Above 40° F, use SAE 30

• Below 40° F and down to 10° F, use 10W-30

• Below 10° F, use synthetic 5W-30

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NOTE:

Regulator inlet pressure range from LP tank is : 30 to 100 psi.

• Use only standard 20 or 30 pound capacity LP tanks with Type 1,
right hand Acme threads with this generator. Verify the re-qualifi­cation date on the tank has not expired. Do not use rusted or dam­aged cylinders.

• All new cylinders must be purged of air and moisture prior to fill­ing. Used cylinders that have not been plugged or kept closed
must also be purged.

• The purging process should be done by your propane gas sup­plier. (Cylinders from an exchange supplier should have been
purged and filled properly already).

• Lift the tank and place carefully in the rear tank bracket with the
connection point facing the front of the generator (Figure 3-2).

• Insert the fixed end into the side bracket with the smaller hole and
slide cotter pin in place. Firmly grasping the pivot end, stretch the
tank strap around the cylinder and slide the peg into the keyhole in
the other bracket.

• Remove the safety plug or cap from the cylinder valve.

• Attach the connector snugly into the valve. Remember, turn the
plastic coupling from the hose right to tighten or clockwise.

• Always position the cylinder so the connection between the valve
and the regulator won’t cause sharp bends or kinks in the hose.

Any attempt to start the engine before it has been properly
serviced with the recommended oil may result in an engine
failure.

1. Place generator on a level surface (not to exceed 15° in any
direction).

2. Clean area around oil fill and remove oil fill cap and dipstick.

3. Wipe dipstick clean.

4. Slowly fill engine with oil through the oil fill opening until it
reaches the full mark. Stop filling occasionally to check oil level.

Be careful not to over fill.

5. Install oil fill cap and finger tighten securely.

6. Check engine oil level before starting each time thereafter.

3.4.2  Connecting LP Fuel Tank

Do not use or store LP cylinder in a building, garage or
enclosed area except as authorized by NFPA 58 or
B149.2 (in Canada).

Do not check for leaks with a match or flame.

The cylinder valve should be left off (closed) when the
generator is not in use.

Figure 3-2: Position Tank

• Check for leaks by spraying soapy water to the connections being
tested.

• If bubbles appear, become larger in size or increase in number, a
leak exists.

• This must be corrected before using the generator. Contact your
local Authorized Service Facility for assistance.

• Contact with liquid contents of the cylinder will cause freeze burns
to the skin.

• Do not allow children to tamper or play with the cylinder.

5,500 Watt LP Series Portable Generator 11

Operation

• When transporting and storing, keep cylinder secured in an
upright position with cylinder valve turned off and the outlet
plugged. (usually by a plastic protective cap). Keep cylinders
away from heat and ventilated when in a vehicle.

3.5  Starting the Generator

Never start or stop engine with electrical devices
plugged into the receptacles AND devices turned on.

1. Unplug all electrical loads from the unit's receptacles before
starting the engine.

2. Make sure the unit is in a level position (not to exceed 15° in any
direction).

3. OPEN the Fuel Shut-off Valve on the cylinder (Figure 3-2).

4. Turn engine POWER DIAL (Figure 3-3) to the #1 PRIME position
and press down on the dial for five (5) seconds to allow fuel to
enter the mixer.

5. Grasp the recoil handle and pull slowly until increased resistance
is felt. Brace one foot on the frame cross bar, and then pull rap­idly up and away twice to PRIME the fuel system.

6. Turn the POWER DIAL to the #2 RUN position.

7. Grasp the recoil handle and pull slowly until increased resistance
is felt. Brace one foot on the frame cross bar, and then pull rap­idly up and away to start the engine. Pull recoil up to two (2)
more times if necessary to start the engine.

NOTE:

If engine does not start or stay running, repeat the start

sequence starting at Step 4 above.

IMPORTANT: Do not overload the generator. Also, do not overload
individual panel receptacles. These outlets are protected against
overload with push-to-reset-type circuit breakers. If amperage rating
of any circuit breaker is exceeded, that breaker opens and electrical
output to that receptacle is lost. Read “Don’t Overload the Generator”
carefully.

Figure 3-3: Power Dial

3.6  Stopping The Engine

1. Shut off all loads, then unplug the electrical loads from generator
panel receptacles. Never start or stop the engine with electrical
devices plugged in and turned on.

2. Let engine run at no-load for several minutes to stabilize the
internal temperatures of engine and generator.

3. Move the Power Dial to OFF position.

4. Close fuel valve.

3.7  Low Oil Level Shutdown System

The engine is equipped with a low oil level sensor that shuts down the
engine automatically when the oil level drops below a specified level.
If the engine shuts down by itself and the cylinder has sufficient fuel,
check engine oil level.

12 5,500 Watt LP Series Portable Generator

Section 4

Maintenance

4.1  Maintenance Schedule

Follow the calendar intervals. More frequent service is required when
operating in adverse conditions noted below.

Check Oil Level............................................................... At Each Use

Change Oil ................................ *Every 100 hours or Every Season

Check Valve Clearance ............................................***Every Season

Service Air Filter ........................** Every 200 hours or Every Season

Replace Spark Plug...................................................... Every Season

 Change oil after first 30 hours of operation then every season.
* Change oil and oil filter every month when operating under heavy load or in high tem-

peratures.

** Clean more often under dirty or dusty operating conditions. Replace air filter parts if

they cannot be adequately cleaned.

*** Check valve clearance and adjust if necessary after first 50 hours of operation and

every 300 hours thereafter. This requires some engine disassembly. We recom­mend contacting an Authorized Service Dealer for this adjustment.

NOTE:

Once a year replace the spark plug and replace the air filter. A

new spark plug and clean air filter assure proper fuel-air mixture

and help the engine run better and last longer.

4.2  General Recommendations

The warranty of the generator does not cover items that have been
subjected to operator abuse or negligence. To receive full value from
the warranty, the operator must maintain the generator as instructed
in this manual.

Some adjustments will need to be made periodically to properly main­tain the generator.

All adjustments in the Maintenance section of this manual should be
made at least once each season. Follow the requirements in the
“Maintenance Schedule”.

4.2.1  Generator Maintenance

Generator maintenance consists of keeping the unit clean and dry.
Operate and store the unit in a clean dry environment where it will not
be exposed to excessive dust, dirt, moisture or any corrosive vapors.
Cooling air slots in the generator must not become clogged with snow,
leaves, or any other foreign material.

Check the cleanliness of the generator frequently and clean when
dust, dirt, oil, moisture or other foreign substances are visible on its
exterior surface.

Never insert any object or tool through the air cooling
slots, even if the engine is not running.

4.2.2  To Clean The Generator

 Use a damp cloth to wipe exterior surfaces clean.
 A soft, bristle brush may be used to loosen caked on dirt, oil, etc.
 A vacuum cleaner may be used to pick up loose dirt and debris.
 Low pressure air (not to exceed 25 psi) may be used to blow away

dirt. Inspect cooling air slots and openings on the generator.
These openings must be kept clean and unobstructed.

NOTE:

DO NOT use a garden hose to clean generator. Water can enter

the engine fuel system and cause problems. In addition, if water

enters the generator through cooling air slots, some water will

be retained in voids and crevices of the rotor and stator winding

insulation. Water and dirt buildup on the generator internal wind-

ings will eventually decrease the insulation resistance of these

windings.

4.2.3  Engine Maintenance

When working on the generator, always disconnect
spark plug wire from spark plug and keep wire away from
spark plug.

4.2.4  Checking Oil Level

See the “Before Starting the Generator” section for information on
checking the oil level. The oil level should be checked before each
use, or at least every eight hours of operation. Keep the oil level main­tained.

4.2.5  Changing The Oil

Change the oil after the first 30 hours and every 100 hours thereafter.
If running this unit under dirty or dusty conditions, or in extremely hot
weather, change the oil more often.

Hot oil may cause burns. Allow engine to cool before
draining oil. Avoid prolonged or repeated skin exposure
with used oil. Thoroughly wash exposed areas with soap.

Use the following instructions to change the oil after the engine
cools down:

1. Clean area around oil drain plug (Figure 4-1).

2. Remove oil drain plug from engine and oil fill plug to drain oil

completely into a suitable container.

3. When oil has completely drained, install oil drain plug and tighten

securely.

5,500 Watt LP Series Portable Generator 13

Maintenance

4. Fill engine with recommended oil. (See “Before Starting the Gen­erator” for oil recommendations).

5. Wipe up any spilled oil.

6. Dispose of used oil at a proper collection center.

3MP(VEMR
4PYK

3MP*MPP

Figure 4-1: Oil Drain Plug

4.2.6  Replacing The Spark Plug

Use Champion N9YC spark plug or equivalent. Replace the plug
every 200 hours.

1. Stop the engine and shut off the fuel valve on the cylinder and
remove.

2. Using a 5mm Allen wrench, remove the four (4) button head
screws to the top cover and remove the front top cover to gain
access to the spark plug (Figure 4-2).

Figure 4-2: Remove Screws

3. Remove the spark plug wire off of the plug and clean that area of
the cylinder head (Figure 4-3).

Figure 4-3: Remove Spark Plug Wire

4. Use a 21mm (13/16”) spark plug tool (included) to remove the
spark plug.

5. Set the new spark plug’s gap to 0.70-0.80 mm (0.028 – 0.031 in).
Install the correctly gapped spark plug into the cylinder head and
tighten enough to ensure the gasket compresses at (18.0 to 21.6
Pound/Feet) (Figure 4-4).

6. Reconnect the spark plug wire and replace the front top cover
and four (4) fasteners.

Figure 4-4: Spark Plug Gap

4.3  Service Air Filter

The engine will not run properly and may be damaged if using a dirty
air filter. Clean the air filter every 50 hours or once a year (Figure 4-5).
Clean or replace more often if operating under dusty conditions. The
air filter part number is 0J47870141.

1. Remove air filter cover.

2. Wash in soapy water. Squeeze filter dry in clean cloth (DO NOT
TWIST).

3. Clean air filter cover before re-installing it.

NOTE:

To order a new air filter, please contact the nearest authorized

service center at 1-888-436-3722.

14 5,500 Watt LP Series Portable Generator

Maintenance

Figure 4-5: Air Filter

4.3.1  Clean Spark Arrestor Screen

The engine exhaust muffler has a spark arrestor screen. Inspect and
clean the screen at least once each year (Figure 4-6). If unit is used
regularly, inspect and clean more often.

If using the generator on any forest-covered, brush-cov­ered or grass-covered unimproved land, it must
equipped with a spark arrestor. The spark arrestor must
be maintained in good condition by the owner/operator.

Clean and inspect the spark arrestor when the engine is at ambient
temperature as follows:

1. Remove the spark arrestor screen from the muffler by loosening
the clamp and removing the screw.

2. Inspect screen and replace if torn, perforated or otherwise dam­aged. DO NOT USE a defective screen. If screen is not dam­aged, clean it with commercial solvent.

3. Replace the spark arrestor and secure with the clamp and screw.

Figure 4-6: Spark Arrestor Screen

NOTE:

To order a new air filter or spark arrestor screen, please contact

the nearest authorized service center at 1-800-333-1322.

4.4  Valve Clearance

 Intake — 0.15 ± 0.02mm (cold), (0.006" ± 0.0008")
 Exhaust — 0.20 ± 0.02mm (cold) (0.008" ± 0.0008")

After the first 50 hours of operation, check the valve clearance in
the engine and adjust if necessary.

Important: If feeling uncomfortable about doing this procedure or the

proper tools are not available, please take the generator to the near­est service center to have the valve clearance adjusted. This is a very
important step to ensure longest life for the engine.

4.5  Generator Storage

The generator should be started at least once every 30 days and be
allowed to run at least 30 minutes. If this cannot be done and the unit
must be stored for more than 30 days, use the following information
as a guide to prepare it for storage.

5,500 Watt LP Series Portable Generator 15

Allow unit to cool entirely before storage.

4.6  Long Term Storage

1. Drain oil from crankcase after the engine cools down. Refill with
recommended grade.

2. Remove spark plug and pour about 1/2 ounce (15 ml) of engine
oil into the cylinder. Cover spark plug hole with rag. Pull the recoil
starter a couple times to lubricate the piston rings and cylinder
bore. A fogging agent can be used in place of oil.

Maintenance

Avoid spray from spark plug hole when cranking engine.

3. Install and tighten spark plug. Do not connect spark plug wire.

4. Clean the generator outer surfaces. Check that cooling air slots
and openings on generator are open and unobstructed.

5. Store the unit in a clean, dry place.

4.7  Other Storage Tips

 If possible, store the unit indoors and cover it to give protection

from dust and dirt. BE SURE TO CLOSE THE VALVE ON THE

FUEL TANK.

 Cover the unit with a suitable protective cover that does not retain

moisture.

NEVER cover the generator while engine and exhaust
areas are warm.

16 5,500 Watt LP Series Portable Generator

Section 5

Troubleshooting

5.1  Troubleshooting Guide

PROBLEM CAUSE CORRECTION

Engine is running, but no AC
output is available.

Engine runs well but bogs down
when loads are connected.

Engine will not start; or starts
and runs rough.

1. Circuit breaker is open.

2. Poor connection or defective cord set.

3. Connected device is bad.

4. Fault in generator.

1. Short circuit in a connected load.

2. Generator is overloaded.

3. Engine speed is too slow.

4. Shorted generator circuit.

1. Fuel Shut-off is OFF.

2. Dirty air filter.

3. Out of fuel.

4. Spark plug wire not connected to spark plug.

5. Bad spark plug.

6. Water in fuel or cylinder overfilled.

7. Low oil level.

8. Excessive rich fuel mixture.

9. Intake valve stuck open or closed.

10. Engine has lost compression.

1. Reset circuit breaker.

2. Check and repair.

3. Connect another device that is in good condition.

4. Contact Authorized Service Facility.

1. Disconnect shorted electrical load.

2. See “Don’t Overload the Generator”.

3. Contact Authorized Service Facility.

4. Contact Authorized Service Facility.

1. Turn Fuel Shut-off ON.

2. Clean or replace air filter.

3. Replace the fuel tank.

4. Connect wire to spark plug.

5. Replace spark plug.

6. Replace fuel (LP) cylinder.

7. Fill crankcase to proper level.

8. Contact Authorized Service Facility.

9. Contact Authorized Service Facility.

10. Contact Authorized Service Facility.

Engine shuts down during
operation.

Engine lacks power. 1. Load is too high.

Engine hunts or falters. 1. Carburetor is running too rich or too lean. 1. Contact Authorized Service Facility.

5,500 Watt LP Series Portable Generator 17

1. Out of fuel.

2. Low oil level.

3. Fault in engine.

2. Dirty air filter.

3. Engine needs to be serviced.

1. Replace the fuel tank.

2. Fill crankcase to proper level.

3. Contact Authorized Service Facility.

1. Reduce load (see “Don’t Overload the Generator”).

2. Clean or replace air filter.

3. Contact Authorized Service Facility.

Notes:

Troubleshooting

18 5500 Watt LP Series Portable Generator

Part No. 0J7855 Rev A 12/11/2012



© Generac Power Systems, Inc. All rights reserved
Specifications are subject to change without notice.
No reproduction allowed in any form without prior written
consent from Generac Power Systems, Inc.

Generac Power Systems, Inc.

S45 W29290 Hwy. 59

Waukesha, WI 53189

1-888-GENERAC (1-888-436-3722)

generac.com