Generac GP8000E 10000012270 Manuel utilisateur

GP Series Portable Generator

Owner’s Manual

MODEL:________________________

SERIAL:________________________

DATE PURCHASED:______________

Register your Generac product at:

WWW.GENERAC.COM

1-888-GENERAC

(1-888-436-3722)

SAVE THIS MANUAL FOR FUTURE REFERENCE

000381

(000209a)

WARNING

This product is not intended to be used in

a critical life support application. Failure to

adhere to this warning could result in

death or serious injury.

Table of Contents

Section 1 Introduction and Safety 1

Introduction ..................................... 1

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

Safety Symbols and Meanings ........ 1

Exhaust and Location Hazards ....... 2

Electrical Hazards ........................... 3

Fire Hazards .................................... 3

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

Section 2 General Information and

Setup .............................................. 4

Know Your Generator ..................... 5

Emissions ........................................ 5

Hour Meter ...................................... 6

Connection Plugs ............................ 7

Remove Contents from Carton ....... 7

Assembly ......................................... 8

Battery Cable Connection (electric

start only) ........................................ 9

Add Engine Oil ................................ 9

Fuel ................................................. 9

Section 3 Operation .................... 11

Operation and Use Questions ....... 11

Before Starting Engine .................. 11

Prepare Generator for Use ............ 11

Grounding the Generator When Used

as a Portable ................................. 11

Know Generator Limits .................. 11

Transporting/Tipping of the Unit .... 12

Starting Pull Start Engines ............ 12

Starting Electric Start Engines ...... 13

Low Oil Level Shutdown System ... 14

Charging the Battery (electric start

units only) ...................................... 14

Section 4 Maintenance and

Troubleshooting ..........................15

Maintenance ..................................15

Maintenance Schedule ..................15

Preventive Maintenance ................15

Engine Maintenance ......................15

Battery Replacement (if applicable) 17

Inspect Muffler and Spark Arrester 17

Valve Clearance ............................18

Storage ..........................................18

Troubleshooting .............................19

Notes .............................................20

(000004)

WARNING

California Proposition 65. Engine exhaust and some

of its constituents are known to the state of California

to cause cancer, birth defects, and other reproductive

harm.

(000005)

WARNING

California Proposition 65. This product contains or

emits chemicals known to the state of California to

cause cancer, birth defects, and other reproductive

harm.

Owner’s Manual for Portable Generator 1

Section 1 Introduction and Safety

Introduction

Thank you for purchasing a Generac Power

Systems Inc. product. This unit has been

designed to provide high-performance, effi-

cient operation, and years of use when main-

tained properly.

If any section of the manual is not understood,

contact your nearest Independent Authorized

Service Dealer (IASD), or contact Generac

Customer Service at 1-888-GENERAC (1-

888-436-3722), or www.generac.com with any

questions or concerns.

The owner is responsible for proper mainte-

nance and safe use of the equipment. Before

operating, servicing or storing this generator:

• Study all warnings in this manual and on

the product carefully.

• Become familiar with this manual and the

unit before use.

• Refer to the Assembly section of the man-

ual for instructions on final assembly proce-

dures. Follow the instructions completely.

Save these instructions for future reference.

ALWAYS supply this manual to any individual

that will use this machine.

The information in this manual is accurate

based on products produced at the time of

publication. The manufacturer reserves the

right to make technical updates, corrections,

and product revisions at any time without

notice.

Safety Rules

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, there-

fore, not all inclusive. If using a procedure,

work method or operating technique that the

manufacturer does not specifically recom-

mend, verify that it is safe for others. Also

make sure the procedure, work method or

operating technique utilized does not render

the equipment unsafe.

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 haz-

ardous if performed incorrectly or carelessly.

Observe them carefully. Their definitions are

as follows:

NOTE: Notes contain additional information

important to a procedure and will be found

within the regular text of this manual.

These safety warnings cannot eliminate the

hazards that they indicate. Common sense

and strict compliance with the special instruc-

tions while performing the action or service

are essential to preventing accidents.

Safety Symbols and Meanings

• The engine exhaust fumes contain carbon

monoxide, which you cannot see or smell.

This poisonous gas, if breathed in sufficient

concentrations, can cause unconscious-

ness 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.

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

(000001)

DANGER

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

(000002)

WARNING

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

(000003)

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

000657

DANGER

Using a generator indoors CAN KILL YOU IN MINUTES.

Generator exhaust contains carbon monoxide. This is

a poison you cannot see or smell.

NEVER use inside a home

or garage, EVEN IF doors

and windows are open.

Only use OUTSIDE and

far away from windows,

doors, and vents.

2 Owner’s Manual for Portable Generator

• This exhaust system must be properly

maintained. Do nothing that might render

the exhaust system unsafe or in noncompli-

ance with any local codes and/or stan-

dards.

• Always use a battery operated carbon

monoxide alarm indoors, installed accord-

ing 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 poison-

ing.

• For safety reasons, it is recommended that

the maintenance of this equipment be per-

formed by an IASD. Inspect the generator

regularly, and contact the nearest IASD for

parts needing repair or replacement.

• Operate generator only on level surfaces

and where it will not be exposed to exces-

sive moisture, dirt, dust or corrosive vapors.

• When working on this equipment, remain

alert at all times.

• Never work on the equipment when physi-

cally 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 danger-

ous operating conditions from leaking

exhaust gases, fuel leakage, oil leakage,

etc.

Exhaust and Location Hazards

• This exhaust system must be properly

maintained. Do nothing that might render

the exhaust system unsafe or in noncompli-

ance with any local codes and/or stan-

dards.

• 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 poison-

ing.

• Point muffler exhaust away, downwind from

occupied buildings.

• Place generator at least 20 feet from occu-

pied buildings.

(000103)

DANGER

Asphyxiation. Running engines produce carbon

monoxide, a colorless, odorless, poisonous gas.

Carbon monoxide, if not avoided,

will result in death or serious injury.

(000104)

DANGER

Electrocution. Water contact with a power source,

if not avoided, will result in death or serious injury.

(000116)

DANGER

Electrocution. Turn utility and emergency

power supplies to OFF before connecting power

source and load lines. Failure to do so will result

in death or serious injury.

(000111)

WARNING

Moving Parts. Keep clothing, hair, and appendages

away from moving parts. Failure to do so could

result in death or serious injury.

(000108)

WARNING

Hot Surfaces. When operting machine, do not

touch hot surfaces. Keep machine away from

combustables during use. Hot surfaces

could result in severe burns or fire.

(000146)

WARNING

Equipment and property damage. Do not alter

construction of, installation, or block ventilation for

generator. Failure to do so could result in unsafe

operation or damage to the generator.

(000142)

Do not insert any object through the air cooling slots.

Generator can start at any time and could result in

death, serious injury, and unit damage.

WARNING

000406

(000103)

DANGER

Asphyxiation. Running engines produce carbon

monoxide, a colorless, odorless, poisonous gas.

Carbon monoxide, if not avoided,

will result in death or serious injury.

(000146)

WARNING

Equipment and property damage. Do not alter

construction of, installation, or block ventilation for

generator. Failure to do so could result in unsafe

operation or damage to the generator.

(000178a)

Asphyxiation. Always use a battery operated carbon

monoxide alarm indoors and installed according to

the manufacturer’s instructions. Failure to do so

could result in death or serious injury.

WARNING

Owner’s Manual for Portable Generator 3

Electrical Hazards

• The National Electric Code (NEC) requires

the frame and external electrically conduc-

tive parts of the generator be properly con-

nected 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).

• Once generator has been started outside,

connect electrical loads to extension

cord(s) inside.

Fire Hazards

• Wipe up any fuel or oil spills immediately.

Verify 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 sides to allow for proper ventila-

tion of the generator.

• Do not operate the generator if connected

electrical devices overheat, if electrical out-

put 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.

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 CONSTRUC-

TION 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 Wilming-

ton, OH 45177-0309

5. ASAE EP-364.2 Installation and Mainte-

nance of Farm Standby Electric Power

available from www.asabe.org, American

Society of Agricultural & Biological Engi-

neers 2950 Niles Road, St. Joseph, MI

49085

6. CSA C22.2 100-14 Electric motors and

generators for installation and use, in

accordance with the Rules of the Cana-

dian Electrical Code

7. ANSI/PGMA G300 Safety and Perfor-

mance of Portable Generators. Portable

Generator Manufacturer’s Association,

www.pgmaonline.com

This list is not all inclusive. Check with the

Authority Having Jurisdiction (AHJ) for any

local codes or standards which may be appli-

cable to your jurisdiction.

(000144)

DANGER

Electrocution. Contact with bare wires,

terminals, and connections while generator

is running will result in death or serious injury.

(000104)

DANGER

Electrocution. Water contact with a power source,

if not avoided, will result in death or serious injury.

(000145)

DANGER

Electrocution. In the event of electrical accident,

immediately shut power OFF. Use non-conductive

implements to free victim from live conductor. Apply

first aid and get medical help. Failure to do so will

result in death or serious injury.

(000130)

WARNING

Accidental Start-up. Disconnect the negative battery

cable, then the positive battery cable when working

on unit. Failure to do so could result in death

or serious injury.

(000105)

DANGER

Explosion and Fire. Fuel and vapors are extremely

flammable and explosive. Add fuel in a well

ventilated area. Keep fire and spark away. Failure to

do so will result in death or serious injury.

(000166)

DANGER

Do not overfill fuel tank. Fill to 1/2 in. of top of tank to

allow for fuel expansion. Overfilling may cause fuel to

spill onto engine causing fire or explosion, which will

result in death or serious injury.

(000142)

Do not insert any object through the air cooling slots.

Generator can start at any time and could result in

death, serious injury, and unit damage.

WARNING

4 Owner’s Manual for Portable Generator

Section 2 General Information and Setup

Figure 2-1. Features and Controls

Generator Components

Figure 2-2. Unit Identification Label

Figure 2-3. Control Panel

000398

13

4

15

23

14

11

8

000381

18

7

19

6

5

12

17

16

22

9

1 120 Volt AC, 20 Amp, GFCI (if equipped)

Duplex Receptacle (NEMA 5-20R)

2 120/240 Volt AC, 30 Amp Locking

Receptacle (NEMA L14-30R)

3 Circuit Breakers (AC)

4Oil Drain

5 Air Filter

6 Choke Knob

7 Fuel Tank

8 Grounding Lug

9 Run/Stop Switch (pull start models only)

10 Start Switch (electric start models only)

11 Muffler

12 Handle

13 Gas Cap

14 Fuel Gauge

15 Oil Fill

16 Recoil Starter

17 Fuel Shut Off

18 Roll Over Valve

19 Recovery Hose

20 Hour Meter

21 Battery Charger Input

22 Battery Location (if equipped)

23 Spark Arrestor

000601

000585

2

1

20

21

103

Owner’s Manual for Portable Generator 5

Figure 2-4. Control Panel

Figure 2-5. Control Panel

Know Your Generator

Replacement owner’s manuals are available

at www.generac.com.

Emissions

The United States Environmental Protection

Agency (US EPA) (and California Air

Resources Board (CARB), for engines/equip-

ment certified to California standards) requires

that this engine/equipment complies with

exhaust and evaporative emissions stan-

dards. Locate the emissions compliance decal

on the engine to determine applicable stan-

dards. For emissions warranty information,

please reference the included emissions war-

ranty. It is important to follow the maintenance

specifications in the manual to ensure that the

engine complies with the applicable emissions

standards for the duration of the product’s life.

000396

2 1 20

3

000885

2

1

20

10

21

3

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

6 Owner’s Manual for Portable Generator

Hour Meter

The Hour Meter tracks hours of operation for

scheduled maintenance. See Figure 2-6.

• The CHG OIL display will illuminate 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.

• The SVC display will illuminate every 100

hours. The message will flash one hour

before and one hour after each 200 hour

interval providing a two hour window to per-

form service.

When the hour meter is in flash alert mode,

the maintenance message will 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 automatically resets.

• 100 hours - CHG OIL — Oil Change Inter-

val (Every 100 hrs)

• 200 hours - SVC — Service Air Filter

(Every 200 hrs)

NOTE: The hour glass icon will flash when the

engine is running. This signifies the meter is

recording hours of operation.

Product Specifications

Generator Specifications GP5500 GP6500 GP7500 GP8000

Rated Power 5.5 kW** 6.5 kW** 7.5 kW** 8.0 kW**

Surge Power 6.875 KVA 8.125 KVA 9.375 KVA 10.0 KVA

Rated AC Voltage 120/240

Rated AC Load

Current @ 240V**

Current @ 120V**

22.9

45.8

27.1

54.2

31.3

62.5

33.3

66.6

Rated Frequency 60 Hz @ 3600 RPM

Phase Single Phase

Weight (dry)

Pounds (lb)

Kilograms (kg)

170.9-179.2

77.5-81.3

174.8-186

79.3-84.4

191.6-197.1

86.9-89.4

197.1

89.4

** Operating Temperature Range: -18 deg. C (0 deg. F) to 40 Deg. C (104 Deg. F). When operated

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

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

ent 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.

5.5 / 6.5 Engine Specifications

Displacement 389 cc

Spark Plug Part No. 0J00620106

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

Gasoline Capacity 25.6 L (6.77 gal)

Oil Type

See Chart in

Add Engine Oil

Oil Capacity 1.0 L (1.06 qt.)

Run Time at 50% Load 11 Hours / 10 Hours

7.5 / 8.0 Engine Specifications

Displacement 420cc

Spark Plug Part No. 0J00620106

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

Gasoline Capacity 28.4 L (7.5 gal)

Oil Type

See Chart in

Add Engine Oil

Oil Capacity 1.0 L (1.06 qt.)

Run Time at 50% Load 11 Hours

* Go to Generac.com or contact an IASD for replacement parts.

Owner’s Manual for Portable Generator 7

Figure 2-6. Hour Meter

Connection Plugs

120 VAC, 20 Amp, Duplex Recepta-

cle

The 120 Volt outlet is overload protected by a

20 Amp push-to-reset circuit breaker. See Fig-

ure 2-7. Each receptacle will power 120 Volt

AC, single phase, 60 Hz electrical loads

requiring up to 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).

Figure 2-7. 120 VAC, 20 Amp, Duplex

Receptacle NEMA 5-20R

120 VAC, 20 Amp, GFCI Duplex

Receptacle (if equipped)

The 120 Volt outlet is overload protected by a

20 Amp push-to-reset circuit breaker. See Fig-

ure 2-8. Each receptacle will power 120 Volt

AC, single phase, 60 Hz electrical loads

requiring up to 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). It also pro-

vides protection with a Ground Fault Circuit

Interrupter with a press to TEST and RESET

button.

Figure 2-8. 120 VAC, 20 Amp, GFCI Duplex

Receptacle NEMA 5-20R

120/240 VAC, 30 Amp Receptacle

Use a NEMA L14-30 plug with this receptacle

(rotate to lock/unlock). Connect a suitable 4-

wire grounded cord set to plug and desired

load. The cord set should be rated 250 Volts

AC at 30 Amps (or greater). See Figure 2-9.

Use this receptacle to operate 120 Volt AC, 60

Hz, single phase loads requiring up to 3600

watts (3.6 kW) of power at 30 Amps or 240

Volt AC, 60 Hz, single phase loads requiring

up to 7200 watts (7.2 kW) of power at 30

Amps. The outlet is protected by two 25 Amp

(5.5kW), or two 30 Amp (6.5kW) push-to-

reset, or one 30 Amp 2-pole circuit breaker or,

two 30 Amp push button to reset (6.5/7.5/8.0

kW) circuit breaker.

Figure 2-9. 120/240 VAC, 30 Amp Receptacle

NEMA L14-30R

Remove Contents from Carton

1. Open carton completely by cutting each

corner from top to bottom.

2. Remove and verify carton contents prior to

assembly. Carton contents should contain

the following:

0000.0

000205

000424

000203

000204

8 Owner’s Manual for Portable Generator

Accessories

NOTE: The generator is shipped with only one

(1) hardware bag, assembly A or B.

3. Call Generac Customer Service 1-888-

GENERAC (1-888-436-3722) with the unit

model and serial number for any missing

carton contents.

4. Record model, serial number, and date of

purchase on front cover of this manual.

Assembly

Call Generac Customer Service at 1-888-

GENERAC (1-888-436-3722) for any assem-

bly issues or concerns. Please have model

and serial number available.

The following tools are required to install the

accessory kit.

• Needle nose pliers

• 10mm socket

• 8mm and 13mm box wrenches (2 each)

NOTE: The wheels are not intended for over-

the-road use.

See Figure 2-10 and Figure 2-11.

Install wheels as follows:

1. Slide axle pin (E) through the wheel (B),

wheel bracket on frame, and 1/2” flat

washer (G).

2. Insert cotter pin (F) through axle pin (E).

Bend tabs (of cotter pins) outward to lock

into place.

Install frame foot and rubber bumpers as fol-

lows:

1. Slide hex head bolts (L) through rubber

bumper (D), then through frame foot (C).

2. Slide hex head bolts (K) through holes in

frame rail.

3. Slide frame foot (C) onto hex head bolts

(K). Install locking flange nuts (J).

Install handle as follows:

1. Slide long bolts (K) through handle bracket

and handle (A). Install hex nuts (J).

.

Figure 2-10. Wheel & Handle Assembly (A)

.

Figure 2-11. Wheel & Handle Assembly (B)

Item Qty.

Main Unit 1

Owner’s Manual 1

Liter Oil SAE 30 1

Handle Assembly (A) 1

Never-flat Wheel (B) 2

Frame Foot (C) 2

Product Registration Card 3

Service Warranty 1

Emissions Warranty 1

20’ Power Cord (if

equipped)

1

Battery Charger (electric

start models)

1

Hardware Bag Qty.

Assy. A

Qty.

Assy. B

Rubber Feet (D) 2 0

1/2” Axle Pin (E) 2 2

Cotter Pin (F) 2 2

1/2” Flat Washer (G) 2 2

Hex Flanged M6 Nut (H) 2 0

Hex Flanged M8 Nut (J) 6 5

M8 Bolt (Long) (K) 6 5

M6 Bolt (Long) (L) 2 0

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

000916

J

A

E

G

F

L

D

J

H

K

B

K

C

000884

J

A

E

G

F

K

D

J

K

C

B

Owner’s Manual for Portable Generator 9

Battery Cable Connection

(electric start only)

The unit has been shipped with the battery

cables disconnected.

You will need two 8mm box wrenches to con-

nect the battery cables. See Figure 4-5.

1. Cut off cable ties securing battery cables

and remove red cover from battery termi-

nal.

2. First, connect the red cable to the positive

(+) battery terminal with the bolt and nut

supplied.

3. Make sure connections are secure and

slide rubber boot over the positive (+) bat-

tery terminal and connection hardware.

4. Connect the black cable to the negative (-)

battery terminal with the bolt and nut sup-

plied. Slide rubber boot over the negative

(-) battery terminal and connection hard-

ware.

5. Make sure all connections are secure.

NOTE: If the battery is unable to start the

engine, charge it with the 12V charger

included in the accessory box (see the

Charging the Battery (electric start units only)

section for details).

Add Engine Oil

1. Place generator on a level surface.

2. Verify oil fill area is clean.

3. Remove oil fill cap and wipe dipstick clean.

See Figure 2-12.

Figure 2-12. Remove Dipstick

4. Add recommended engine oil as shown in

the following chart.

NOTE: Use petroleum based oil (supplied) for

engine break-in before using synthetic oil.

.

NOTE: Some units have more than one oil fill

location. It is only necessary to use one oil fill

point.

5. Thread dipstick into oil filler neck. Oil level

is checked with dipstick fully installed.

6. See Figure 2-13. Remove dipstick and ver-

ify oil level is within safe operating range.

Figure 2-13. Safe Operating Range

7. Install oil fill cap/dipstick and hand-tighten.

Fuel

Fuel requirements are as follows:

• Clean, fresh, unleaded gasoline.

• Minimum rating of 87 octane/87 AKI (91

RON).

• Up to 10% ethanol (gasohol) is acceptable

(where available; non-ethanol-premium fuel

is recommended).

• DO NOT use E85.

• DO NOT use a gas oil mix.

• DO NOT modify engine to run on alternate

fuels. Stabilize fuel prior to storage.

1. Verify unit is OFF and cooled for a mini-

mum of two minutes prior to fueling.

2. Place unit on level ground in a well venti-

lated area.

(000135)

CAUTION

Engine damage. Verify proper type and quantity of

engine oil prior to starting engine. Failure to do so

could result in engine damage.

000115

SAE 30

10W-30

Synthetic 5W-30

000399

000116

(000105)

DANGER

Explosion and Fire. Fuel and vapors are

extremely flammable and explosive. Add fuel

in a well ventilated area. Keep fire and spark

away. Failure to do so will result in death

or serious injury.

(000166)

DANGER

Do not overfill fuel tank. Fill to 1/2 in. of top of tank to

allow for fuel expansion. Overfilling may cause fuel to

spill onto engine causing fire or explosion, which will

result in death or serious injury.

10 Owner’s Manual for Portable Generator

3. Clean area around fuel cap and remove

cap slowly.

4. Slowly add recommended fuel (A). Do not

overfill (B). See Figure 2-14.

5. Install fuel cap.

Figure 2-14. Add Recommended Fuel

NOTE: Allow spilled fuel to evaporate before

starting unit.

IMPORTANT NOTE: It is important to pre-

vent gum deposits from forming in fuel

system parts such as the carburetor, fuel

hose or tank during storage. Alcohol-

blended fuels (called gasohol, ethanol or

methanol) can attract moisture, which

leads to separation and formation of acids

during storage. Acidic gas can damage the

fuel system of an engine while in storage.

To avoid engine problems, the fuel system

should be emptied before storage of 30

days or longer. See the Storage section.

Never use engine or carburetor cleaner

products in the fuel tank as permanent

damage may occur.

000400

A

B

Owner’s Manual for Portable Generator 11

Section 3 Operation

Operation and Use Questions

Call Generac customer service at 1-888-GEN-

ERAC (1-888-436-3722) with questions or

concerns about equipment operation and

maintenance.

Before Starting Engine

1. Verify engine oil level is correct.

2. Verify fuel level is correct.

3. Verify unit is secure on level ground, with

proper clearance and is in a well ventilated

area.

Prepare Generator for Use

Grounding the Generator When

Used as a Portable

The generator is equipped with an equipment

ground connecting the generator frame and

the ground terminals on the AC output recep-

tacles (see NEC 250.34 (A). This allows the

generator to be used as a portable without

grounding the frame of the generator as spec-

ified in NEC 250.34. See Figure 3-1.

• Neutral Bonded to Frame.

Figure 3-1.Grounding the Generator

Special Requirements

Review all Federal or State Occupational

Safety and Health Administration (OSHA) reg-

ulations, local codes, or ordinances that apply

to the intended use of the generator.

Consult a qualified electrician, electrical

inspector, or the local agency having jurisdic-

tion:

• 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 the Generator to a

Building Electrical System

When connecting directly to a building electri-

cal system, it is recommended that a manual

transfer switch be used. Connections for a

portable generator to a building electrical sys-

tem must be made by a qualified electrician

and in strict compliance with all national and

local electrical codes and laws.

Know Generator Limits

Overloading a generator can result in damage

to the generator and connected electrical

devices. Observe the following to prevent

overload:

• Add up the total wattage of all electrical

devices to be connected at one time. This

total should NOT be greater than the gener-

ator's wattage capacity.

Asphyxiation. Running engines produce

carbon monoxide, a colorless, odorless,

poisonous gas. Carbon monoxide, if not

avoided, will result in death or serious injury.

(000103)

DANGER

(000178a)

Asphyxiation. Always use a battery operated carbon

monoxide alarm indoors and installed according to

the manufacturer’s instructions. Failure to do so

could result in death or serious injury.

WARNING

(000179a)

DANGER

The exhaust system must be properly maintained. Do

not alter or modify the exhaust system as to render it

unsafe or make it noncompliant with local codes and/or

standards. Failure to do so will result in death

or serious injury.

WARNING

(000118a)

Risk of fire. Do not use generator without

spark arrestor installed. Failure to do so

could result in death or serious injury.

(000110)

WARNING

Risk of Fire. Hot surfaces could ignite

combustibles, resulting in fire. Fire could

result in death or serious injury.

(000108)

WARNING

Hot Surfaces. When operating machine, do not

touch hot surfaces. Keep machine away from

combustibles during use. Hot surfaces could

result in severe burns or fire.

(000136)

CAUTION

Equipment and property damage. Disconnect electrical

loads prior to starting or stopping unit. Failure to do so

could result in equipment and property damage.

000227

12 Owner’s Manual for Portable Generator

• The rated wattage of lights can be taken

from light bulbs. The rated wattage of tools,

appliances, and motors can 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 select-

ing electrical devices to connect to the gen-

erator:

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 gen-

erator can operate at one time.

NOTE: All figures are approximate. See data

label on appliance for wattage requirements.

Wattage Reference Guide

Transporting/Tipping of the Unit

Do not operate, store or transport the unit at

an angle greater than 15 degrees.

Starting Pull Start Engines

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.

(000183)

WARNING

Recoil Hazard. Recoil could retract unexpectedly.

Kickback could result in death or serious injury.

(000136)

CAUTION

Equipment and property damage. Disconnect electrical

loads prior to starting or stopping unit. Failure to do so

could result in equipment and property damage.

Owner’s Manual for Portable Generator 13

1. Unplug all electrical loads from the unit's

receptacles before starting engine.

2. Place generator on a level surface.

3. See Figure 3-2. Open the fuel shut-off

valve (A).

.

Figure 3-2.Fuel Shut-off Valve

4. Turn engine Run/Stop switch (B) to Run

(manual start only). See Figure 3-3.

Figure 3-3.Engine ON/OFF Switch

5. Slide engine choke (C) to Full Choke posi-

tion (left). See Figure 3-4.

Figure 3-4.Choke Position

6. Firmly grasp recoil handle and pull slowly

until increased resistance is felt. Pull rap-

idly up and away.

7. When engine starts, move choke knob to

1/2-choke position until engine runs

smoothly, then fully into Run position. If

engine falters, move choke back to 1/2-

choke position until engine runs smoothly,

then to Run position.

NOTE: If engine fires, but does not continue to

run, move choke lever to Full Choke and

repeat starting instructions.

IMPORTANT NOTE: Do not overload the

generator. Also, do not overload individual

panel receptacles. These outlets are pro-

tected 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.

Starting Electric Start Engines

1. Unplug all electrical loads from the unit's

receptacles before starting the engine.

2. Place generator on a level surface.

3. Open the fuel shut-off valve. See Figure 3-

2.

4. Move engine choke knob outward to Full

Choke. See Figure 3-4.

5. Press and hold Start/Run/Stop switch in

the Start position. When engine starts,

release the switch to the RUN position.

6. When engine starts, move choke knob to

1/2 choke position until engine runs

smoothly, then fully to RUN position. If

engine falters, move choke knob back to

1/2 choke position until engine runs

smoothly, then move to RUN position.

Manual Start

The generator is equipped with a manual

recoil starter which may be used if the battery

is discharged.

NOTE: The switch must be in the RUN posi-

tion. Use one of the generator’s receptacle

outlets along with the included battery charger

to charge the battery while the generator is

running.

To start manually:

1. Firmly grasp the recoil handle and pull

slowly until increased resistance is felt.

2. Pull rapidly up and away to start engine.

3. Follow the same choke sequence.

NOTE: If engine fires, but does not continue to

run, move choke lever to Full Choke and

repeat starting instructions.

IMPORTANT NOTE: Do not overload gener-

ator or individual panel receptacles. These

outlets are overload protected with push-

to-reset circuit breakers. If amperage rat-

ing of any circuit breaker is exceeded, that

breaker opens and electrical output to that

receptacle is lost. Read Know Generator

Limits carefully.

000208

A

ON

OFF

000229

B

000209

C

(000136)

CAUTION

Equipment and property damage. Disconnect electrical

loads prior to starting or stopping unit. Failure to do so

could result in equipment and property damage.

14 Owner’s Manual for Portable Generator

Generator Shut Down

1. Shut off all loads and unplug electrical

loads from generator panel receptacles.

2. Let engine run at no-load for several min-

utes to stabilize internal temperatures of

engine and generator.

3. Move Run/Stop switch to Stop.

4. Close fuel valve.

NOTE: Under normal conditions, close fuel

valve and allow generator to run carburetor

bowl out of fuel. For emergencies, switch to

Stop.

Low Oil Level Shutdown System

The engine is equipped with a low oil level

sensor that shuts down the engine automati-

cally when the oil level drops below a speci-

fied level. The engine will not run until the oil

has been filled to the proper level.

If the engine shuts down and there is sufficient

fuel, check engine oil level.

Charging the Battery (electric

start units only)

NOTE: The battery shipped with the generator

has been fully charged. A battery may lose

some of its charge when not in use for pro-

longed periods of time. If the battery is unable

to crank the engine, plug in the 12V charger

included in the accessory box. RUNNING

THE GENERATOR DOES NOT CHARGE

THE BATTERY.

Use battery charger plug to keep the battery

charged and ready for use. Battery charging

should be done in a dry location.

1. Plug charger into Battery Charger Input

jack, located on the control panel. See Fig-

ure 3-5. Plug wall receptacle end of battery

charger into 120 Volt AC wall outlet.

2. Unplug battery charger from wall outlet

and control panel jack when generator is

to be in use.

NOTE: Do not use the battery charger for

more than 48 hours at one charge.

Figure 3-5. Battery Charger Input Jack

(000136)

CAUTION

Equipment and property damage. Disconnect electrical

loads prior to starting or stopping unit. Failure to do so

could result in equipment and property damage.

(000137a)

WARNING

Explosion. Batteries emit explosive gases while charging.

Keep fire and spark away. Wear protective gear when

working with batteries. Failure to do so could result in

death or serious injury.

(000138a)

WARNING

"!44%29

#(!2'%2

).054

000423

WARNING

Environmental Hazard. Always recycle batteries at an

official recycling center in accordance with all local

laws and regulations. Failure to do so could result in

environmental damage, death or serious injury.

(000228)

Owner’s Manual for Portable Generator 15

Section 4 Maintenance and Troubleshooting

Maintenance

Regular maintenance will improve perfor-

mance and extend engine/equipment life.

Generac Power Systems, Inc. recommends

that all maintenance work be performed by an

Independent Authorized Service Dealer

(IASD). Regular maintenance, replacement,

or repair of the emissions control devices and

systems may be performed by any repair shop

or person of the owner’s choosing. To obtain

emissions control warranty service free of

charge, the work must be performed by an

IASD. See the emissions warranty.

NOTE: Call 1-888-GENERAC (1-888-436-

3722) with questions about component

replacement.

Maintenance Schedule

Follow maintenance schedule intervals,

whichever occurs first according to use.

NOTE: Adverse conditions will require more

frequent service.

NOTE: Go to Generac.com or contact an

IASD for replacement parts.

NOTE: All required service and adjustments

should be each season as detailed in the fol-

lowing chart.

Preventive Maintenance

Dirt or debris can cause improper operation

and equipment damage. Clean generator

daily or before each use. Keep area around

and behind muffler free from combustible

debris. Inspect all cooling air openings on

generator.

• Use a damp cloth to wipe exterior surfaces

clean.

• Use a soft bristle brush to loosen caked on

dirt, oil, etc.

• Use a vacuum 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 generator.

These openings must be kept clean and

unobstructed.

NOTE: DO NOT use a garden hose to clean

generator. Water can enter engine fuel system

and cause problems. If water enters generator

through cooling air slots, some water will be

retained in voids and crevices of rotor and sta-

tor winding insulation. Water and dirt buildup

on generator internal windings will decrease

insulation resistance of windings.

Engine Maintenance

Engine Oil Recommendations

To maintain the product warranty, the engine

oil should be serviced in accordance with the

recommendations of this manual. For your

convenience, maintenance kits designed and

intended for use on this product are available

from the manufacturer that include engine oil,

oil filter, air filter, spark plug(s), a shop towel

and funnel. These kits can be obtained from

an Independent Authorized Service Dealer

(IASD).

At Each Use

Check engine oil level

Every 100 Hours or Every Season*

Change oil ǂ

Every Season

Replace Spark Plug

Check Valve Clearance***

Every 200 Hours or Every Season

Inspect/clean air cleaner filter**

ǂ 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 oper-

ating conditions. Replace air filter parts if

they cannot be adequately cleaned.

*** Check valve clearance and adjust if neces-

sary after first 50 hours of operation and

every 300 hours thereafter.

(000142)

Do not insert any object through the air cooling slots.

Generator can start at any time and could result in

death, serious injury, and unit damage.

WARNING

(000141)

WARNING

Accidental start-up. Disconnect spark plug wires when

working on unit. Failure to do so could result in death

or serious injury.

16 Owner’s Manual for Portable Generator

.

Inspect Engine Oil Level

Inspect engine oil level prior to each use, or

every 8 hours of operation.

1. Place generator on a level surface.

2. Clean area around oil fill.

3. See Figure 4-1. Remove oil fill cap and

wipe dipstick clean.

Figure 4-1. Engine Oil Fill

4. Screw dipstick into filler neck. Remove

dipstick and verify oil level is within safe

operating range. See Figure 4-2.

Figure 4-2. Safe Operating Range

5. Add recommended engine oil as neces-

sary.

6. Replace oil fill cap and hand-tighten.

NOTE: Some units have more than one oil fill

location. It is only necessary to use one oil fill

point.

Change Engine Oil

When using generator under extreme, dirty,

dusty conditions, or in extremely hot weather,

change oil more frequently.

NOTE: Don’t pollute. Conserve resources.

Return used oil to collection centers.

Change oil while engine is still warm from run-

ning, as follows:

1. Place generator on a level surface.

2. Disconnect the spark plug wire from the

spark plug and place the wire where it

cannot contact spark plug.

3. Clean area around oil fill, and oil drain

plug.

4. Remove oil fill cap.

5. Remove oil drain plug and drain oil com-

pletely into a suitable container.

6. Install oil drain plug and tighten securely.

7. Slowly pour oil into oil fill opening until oil

level is between L and H marks on dip-

stick. DO NOT overfill.

8. Install oil fill cap, and finger tighten.

9. Wipe up any spilled oil.

10. Properly dispose of oil in accordance with

all applicable regulations.

Air Filter

Engine will not run properly and may be dam-

aged if run with a dirty air filter. Service air fil-

ter more frequently in dirty or dusty conditions.

To service air filter:

1. See Figure 4-3. Turn knob (A) and 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, contact the

nearest authorized service center at 1-888-

GENERAC (1-888-436-3722).

Figure 4-3. Air Filter Assembly

SAE 30

10W-30

Synthetic 5W-30

000399

(000139)

WARNING

Risk of burns. Allow engine to cool before

draining oil or coolant. Failure to do so could

result in death or serious injury.

000115

000116

(000141)

WARNING

Accidental start-up. Disconnect spark plug wires when

working on unit. Failure to do so could result in death

or serious injury.

000379

A

Owner’s Manual for Portable Generator 17

Service Spark Plug

To service spark plug:

1. Clean area around spark plug.

2. Remove and inspect spark plug.

3. Inspect electrode gap with wire feeler

gauge and reset spark plug gap to 0.028 -

0.031 in (0.70 - 0.80 mm). See Figure 4-4.

Figure 4-4. Spark Plug

NOTE: Replace spark plug if electrodes are

pitted, burned or porcelain is cracked. Use

ONLY recommended replacement plug. See

Specifications.

4. Install spark plug finger tight, and tighten

an additional 3/8 to 1/2 turn using spark

plug wrench.

Battery Replacement (if

applicable)

NOTE: The battery shipped with the generator

has been fully charged. A battery may lose

some charge when not in use for prolonged

periods of time. If battery is unable to crank

engine, plug in the 12V charger included in the

accessory box (see the Charging a Battery

section).

IMPORTANT NOTE: Running the generator

does not charge battery.

See Figure 4-5.

1. Disconnect negative (-) battery terminal

FIRST (black wire).

2. Disconnect positive (+) battery terminal

SECOND (red wire).

Figure 4-5. Battery Connection

3. Install new battery. Install hold down

bracket and tighten.

4. Connect positive (+) battery terminal (red

wire) FIRST (red wire). Slide rubber boot

over connection hardware.

5. Connect negative (-) battery terminal

(black wire) SECOND.

6. Slide rubber boot over connection hard-

ware.

Inspect Muffler and Spark

Arrester

NOTE: It is a violation of California Public

Resource Code, Section 4442, to use or oper-

ate the engine on any forest-covered, brush-

covered, or grass-covered land unless the

exhaust system is equipped with a spark

arrester, as defined in Section 4442, main-

tained in effective working order. Other states

or federal jurisdictions may have similar laws.

Contact original equipment manufacturer,

retailer, or dealer to obtain a spark arrester

designed for exhaust system installed on this

engine.

NOTE: Use ONLY original equipment replace-

ment parts.

Inspect muffler for cracks, corrosion, or other

damage. Remove spark arrester, if equipped,

inspect for damage or carbon blockage.

Replace parts as required.

Inspect Spark Arrester Screen

1. Loosen clamp (A) and remove screw. See

Figure 4-6.

2. Inspect screen (B) and replace if torn, per-

forated or otherwise damaged. If screen is

not damaged, clean with commercial sol-

vent.

3. Replace spark arrestor cone (C) and

screen (B). Secure with clamp and screw.

(000130)

WARNING

Accidental Start-up. Disconnect the negative battery

cable, then the positive battery cable when working

on unit. Failure to do so could result in death

or serious injury.

000224

WARNING

Environmental Hazard. Always recycle batteries at an

official recycling center in accordance with all local

laws and regulations. Failure to do so could result in

environmental damage, death or serious injury.

(000228)

(000108)

WARNING

Hot Surfaces. When operating machine, do not

touch hot surfaces. Keep machine away from

combustibles during use. Hot surfaces could

result in severe burns or fire.

18 Owner’s Manual for Portable Generator

Figure 4-6. Spark Arrestor Screen

Valve Clearance

IMPORTANT NOTE: If uncomfortable about

performing this procedure, or the proper

tools are not available, take generator to

the nearest service center to have valve

clearance adjusted.

Check valve clearance after the first fifty-hours

of operation. Adjust as necessary.

• Intake — 0.15 ± 0.02mm (cold), (0.006" ±

0.0008" inches)

• Exhaust — 0.20 ± 0.02mm (cold) (0.008" ±

0.0008" inches)

Storage

General

It is recommended to start and run the genera-

tor for 30 minutes, every 30 days. If this is not

possible, refer to the following list to prepare

unit for storage.

• DO NOT place a storage cover on a hot

generator. Allow unit to cool to room tem-

perature before storage.

• DO NOT store fuel from one season to

another unless properly treated.

• Replace fuel container if rust is present.

Rust in fuel will cause fuel system prob-

lems.

• Cover unit with a suitable protective, mois-

ture resistant cover.

• Store unit in a clean and dry area.

• Always store generator and fuel away from

heat and ignition sources.

Prepare Fuel System for Storage

Fuel stored over 30 days can go bad and

damage fuel system components. Keep fuel

fresh, use fuel stabilizer.

If fuel stabilizer is added to fuel system, pre-

pare and run engine for long term storage.

Run engine for 10-15 minutes to circulate sta-

bilizer throughout fuel system. Adequately

prepared fuel can be stored up to 24 months.

NOTE: If fuel has not been treated with fuel

stabilizer, it must be drained into an approved

container. Run engine until it stops from lack

of fuel. Use of fuel stabilizer in fuel storage

container is recommended to keep fuel fresh.

1. Change engine oil.

2. Remove spark plug.

3. Pour tablespoon (5-10cc) of clean engine

oil or spray a suitable fogging agent into

cylinder.

4. Pull starter recoil several times to distrib-

ute oil in cylinder.

5. Install spark plug.

6. Pull recoil slowly until resistance is felt.

This will close valves so moisture cannot

enter engine cylinder. Gently release

recoil.

Change Oil

Change engine oil before storage. See

Change Engine Oil.

000586

A

B

C

(000143)

DANGER

Explosion and Fire. Fuel and vapors are extremely

flammable and explosive. Store fuel in a well

ventilated area. Keep fire and spark away. Failure

to do so will result in death or serious injury.

(000109)

WARNING

Risk of Fire. Verify machine has properly

cooled before installing cover and storing

machine. Hot surfaces could result in fire.

(000181)

WARNING

Vision Loss. Eye protection is required to avoid

spray from spark plug hole when cranking engine.

Failure to do so could result in vision loss.

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