GP Series Portable Generator
006616
(000209b)
Loss of life. This product is not intended to
be used in a critical life support application.
in death or serious injury.
Owner’s Manual
MODEL:________________________
SERIAL:________________________
DATE PURCHASED:______________
WARNING
Failure to adhere to this warning could result
Register your Generac product at:
WWW.GENERAC.COM
1-888-GENERAC
(1-888-436-3722)
SAVE THIS MANUAL FOR FUTURE REFERENCE
BC
Table of Contents
(000393)
WARNING
Operating, servicing and maintaining this
equipment can expose you to chemicals
including engine exhaust, carbon monoxide,
phthalates, and lead, which are known to the
State of California to cause cancer and birth
defects or other reproductive harm. To
minimize exposure, avoid breathing exhaust,
do not idle the engine except as necessary,
service your equipment in a well-ventilated
area and wear gloves or wash your hands
frequently when servicing your equipment.
For more information go to
www.P65Warnings.ca.gov.
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
Replacement Hazard Labels ........... 3
Section 2 General Information and
Setup .............................................. 5
Know Your Generator ..................... 6
Emissions ........................................ 6
Hour Meter ...................................... 7
Connection Plugs ............................ 7
CO-SENSE™ .................................. 8
Remove Contents from Carton .......9
Assembly ......................................... 9
Battery Cable Connection (electric
start only) ......................................10
Add Engine Oil ..............................10
Fuel ............................................... 11
Section 3 Operation ....................12
Operation and Use Questions ....... 12
Before Starting Engine ..................12
Prepare Generator for Use ............ 12
Grounding the Generator When Used
as a Portable .................................12
Know Generator Limits ..................12
Transporting/Tipping of the Unit ....13
Starting Pull Start Engines .............14
Starting Electric Start Engines .......14
Low Oil Level Shutdown System ...15
Charging the Battery (electric start
units only) ......................................15
Section 4 Maintenance and
Troubleshooting ..........................16
Maintenance ..................................16
Maintenance Schedule ..................16
Preventive Maintenance ................16
Engine Maintenance ......................16
Battery Replacement (if applicable) 18
Inspect Muffler and Spark Arrester 18
Valve Clearance ............................19
Storage ..........................................19
Troubleshooting .............................20
Section 1 Introduction and Safety
(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.
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.
000657
(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.
Introduction
Thank you for purchasing a Generac Power
Systems Inc. product. This unit has been
designed to provide high-performance, efficient operation, and years of use when maintained 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 (1888-436-3722), or www.generac.com with any
questions or concerns.
The owner is responsible for proper maintenance 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 manual for instructions on final assembly procedures. 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.
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 instructions while performing the action or service
are essential to preventing accidents.
Safety Symbols and Meanings
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, therefore, not all inclusive. If using a procedure,
work method or operating technique that the
manufacturer does not specifically recommend, 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 hazardous if performed incorrectly or carelessly.
Observe them carefully. Their definitions are
as follows:
Owner’s Manual for Portable Generator 1
• 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.
(000179b)
DANGER
Asphyxiation. 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.
DANGER
(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.
(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
(000250)
WARNING
Equipment and property damage. Do not operate unit on
uneven surfaces, or areas of excessive moisture, dirt, dust
or corrosive vapors. Doing so could result in death, serious
injury, property and equipment damage.
(000111)
WARNING
Moving Parts. Keep clothing, hair, and appendages
away from moving parts. Failure to do so could
result in death or serious injury.
(000142a)
Personal injury. 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
WARNING
Risk of injury. Do not operate or service this machine
if not fully alert. Fatigue can impair the ability to service
this equipment and could result in death or serious
injury.
(000215)
(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.
(000179b)
DANGER
Asphyxiation. 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.
Electrocution. Water contact with a power source,
if not avoided, will result in death or serious injury.
(000104)
Injury and equipment damage. Do not use generator
as a step. Doing so could result in falling, damaged
parts, unsafe equipment operation, and could result
in death or serious injury.
• For safety reasons, it is recommended that
the maintenance of this equipment be performed by an IASD. Inspect the generator
regularly, and contact the nearest IASD for
parts needing repair or replacement.
(000216)
000406
Exhaust and Location Hazards
WARNING
Hot Surfaces. When operting machine, do not
WARNING
touch hot surfaces. Keep machine away from
combustables during use. Hot surfaces
could result in severe burns or fire.
2 Owner’s Manual for Portable Generator
(000108)
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.
(000178a)
WARNING
Equipment and property damage. Do not alter
construction of, installation, or block ventilation for
generator. Failure to do so could result in unsafe
WARNING
operation or damage to the generator.
• 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.
• NEVER run a generator indoors or in a
partly enclosed area such as garages.
• ONLY use outdoors and far away from windows, doors, vents, crawl spaces and in an
area where adequate ventilation is available and will not accumulate deadly
exhaust gas.
• Point muffler exhaust away from people
and occupied buildings.
• Using a fan or opening a door will not provide sufficient ventilation.
(000146)
Electrical Hazards
(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.
(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.
(000166b)
DANGER
Explosion and Fire. Do not overfill fuel tank. Fill to
1/2 inch from 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.
(000174)
DANGER
Risk of fire. Allow fuel spills to completely dry
before starting engine. Failure to do so will
result in death or serious injury.
(000142a)
Personal injury. 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.
• 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 (GFCI)
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
• Allow at least 5 feet of clearance on all
sides of the generator when operating to
prevent overheating and fire.
• 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.
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 Mainte-
nance of Farm Standby Electric Power
available from www.asabe.org, American
Society of Agricultural & Biological Engineers 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 Canadian Electrical Code
7. ANSI/PGMA G300 Safety and Perfor-
mance of Portable Generators. Portable
Generator Manufacturer’s Association,
www.pgmaonline.com
IMPORTANT NOTE: This list is not all inclusive. Check with the Authority Having
Jurisdiction (AHJ) for any local codes or
standards which may be applicable to your
jurisdiction.
WARNING
Owner’s Manual for Portable Generator 3
Replacement Hazard Labels
The following replacement hazard labels are
available free from Generac:
•0H0115D
• 0H8251B (Vertical CO Warning Decal)
5 FEET (1.5m)
MINIMUM
FROM OBJECTS
CARBON
MONOXIDE
CO
READ
MANUAL
!
!
!
• 0H4635C
• 10000033027 (Exhaust Direction User
Action Label)
4 Owner’s Manual for Portable Generator
Section 2 General Information and Setup
13
14
20
12
10
8
7
6
11
5
16
15
19
4
006616
006617
21 1 2
22
23
3
006619
179
18
Figure 2-1. Features and Controls
Generator Components
1 120 Volt AC, 20 Amp, GFCI 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 Stop/Run/Start Switch (if equipped)
10 Muffler
11 Handle
12 Gas Cap
13 Fuel Gauge
14 Oil Check/Fill
15 Recoil Starter
16 Fuel Shut Off
17 Hour Meter
18 Battery Charger Input (if equipped)
19 Battery Location (if equipped)
20 Spark Arrestor
21 CO-SENSE RED (Hazard) (if equipped)
22 CO-SENSE YELLOW (Fault) (if equipped)
23 Idle Control (if equipped)
Figure 2-2. Control Panel (Electric Start and
Idle Control) (if equipped)
Owner’s Manual for Portable Generator 5
Emissions
006618
(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.
The United States Environmental Protection
Agency (US EPA) (and California Air
Resources Board (CARB), for engines/equipment certified to California standards) requires
that this engine/equipment complies with
exhaust and evaporative emissions standards. Locate the emissions compliance decal
on the engine to determine applicable standards. For emissions warranty information,
please reference the included emissions warranty. It is important to follow the maintenance
Figure 2-3. Unit Identification Label
specifications in the manual to ensure that the
engine complies with the applicable emissions
standards for the duration of the product’s life.
Know Your Generator
Replacement owner’s manuals are available
at www.generac.com.
Product Specifications
Generator Specifications GP6500 / GP6500E GP8000E
Rated Power @1.0 Power Factor 6.5 kW** 8.0 kW**
Surge Power 8.125 KVA 10.0 KVA
Rated AC Voltage 120/240
Rated AC Load
Current @ 240V**
Current @ 120V**
Rated Frequency 60 Hz @ 3600 RPM
Phase Single Phase
Weight (dry)
Pounds (lb)
Kilograms (kg)
** 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,
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.
6.5kW 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 26 L (6.9 gal)
Oil Type
Oil Capacity 1.0 L (1.06 qt.)
Run Time at 50% Load 10.5 Hours
27.1
54.2
174.8-186
79.3-84.4
See Chart in
Add Engine Oil
33.3
66.6
197.1
89.4
6 Owner’s Manual for Portable Generator
Product Specifications
0000.0
000205
8.0kW 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
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.
See Chart in
Add Engine Oil
Hour Meter
The Hour Meter tracks hours of operation for
scheduled maintenance. See Figure 2-4.
• 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 perform 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 Interval (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.
Figure 2-4. Hour Meter
Connection Plugs
120 VAC, 20 Amp, GFCI Duplex
Receptacle
The 120 Volt outlet is overload protected by a
20 Amp push-to-reset circuit breaker. See Fig-
ure 2-5. 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, wellinsulated, 3-wire grounded cord sets rated for
125 Volts at 20 Amps (or greater). It also provides protection with a Ground Fault Circuit
Interrupter with a press to TEST and RESET
button.
000203
Figure 2-5. 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 4wire grounded cord set to plug and desired
load. The cord set should be rated 250 Volts
AC at 30 Amps (or greater). See Figure 2-6.
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 one 30 Amp
2-pole circuit breaker.
Owner’s Manual for Portable Generator 7
Figure 2-6. 120/240 VAC, 30 Amp Receptacle
000204
!
!
!
006681
NEMA L14-30R
CO-SENSE™
Carbon Monoxide (CO) Detection
and Shut-off System (if equipped)
The CO-SENSE module monitors for the
accumulation of poisonous CO gas found in
engine exhaust when the generator is running.
If CO-SENSE detects increasing levels of CO
gas, it automatically shuts off the engine. COSENSE only monitors when the engine is running. Generators are intended to be used outdoors, far from occupied buildings and the
exhaust pointed away from personnel and
buildings. However, if mis-used and operated
in a location that results in the accumulation of
CO, like a house or even a garage with partially opened door, CO-SENSE shuts off the
engine, notifies the user of what has happened and directs the user to read the instruc-
tion action label for steps to take. See Figure
2-7. CO-Sense is not a substitute for an indoor
carbon monoxide alarm.
See Figure 2-8. As the user approaches the
generator to investigate a shut-off, a blinking
RED light in the CO-SENSE badge on the
side of the generator provides notification that
the generator was shut off due to an accumulating CO hazard. The RED light will blink for
at least five minutes after a CO shut-off. Move
the generator to an open, outdoor area and
point the exhaust away from people and occupied buildings. Once relocated to a safe area,
the generator can be restarted and the proper
electrical connections made to supply electrical power. The RED light will stop blinking
automatically upon engine re-start. Introduce
fresh air and ventilate the location where the
generator had shut down.
See Figure 2-8. If a CO-SENSE system fault
has occurred and no longer provides protection, the portable generator is shut off automatically and the YELLOW light will blink for at
least five minutes in the CO-SENSE badge to
notify the user of the fault. The CO-SENSE
module can only be diagnosed and repaired
by a trained technician at the dealer. The generator can be re-started, but may continue to
shut-off.
CO-SENSE will detect the accumulation of
Carbon Monoxide from other fuel burning
sources such as engine powered tools or propane heaters used in the area of operation.
For example, if another generator is used and
the exhaust is pointed at a CO-SENSE
equipped generator, CO-SENSE may initiate
a shut-off due to rising CO levels. This is not
an error. Hazardous Carbon Monoxide has
been detected. The user must take action to
move and re-direct these devices to better dissipate Carbon Monoxide far away from personnel and occupied buildings.
8 Owner’s Manual for Portable Generator
Figure 2-7. Instruction Action Label
Figure 2-8. Instruction Badge
AUTOMATIC SHUTOFF - SEE ACTION LABEL
SHUTOFF AUTOMÁTICO - VER ETIQUETA DE ACCIÓN
ARRÊT AUTOMATIQUE - VOIR ÉTIQUETTE D’ACTION
CONTACT DEALER
CONTACTO DISTRIBUIDOR
CONTACTER UN REVENDEUR
007077
(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.
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:
Accessories
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
25’ Power Cord (if
equipped)
Battery Charger (electric
start models)
Hardware Bag Qty.
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 6
M8 Bolt (Long) (K) 6 6
M6 Bolt (Long) (L) 2 0
M8 Nylon Flat Washer (M) 4 4
Owner’s Manual for Portable Generator 9
Assy. A
1
1
Qty.
Assy. B
NOTE: The generator is shipped with only one
(1) hardware bag, assembly A or B.
3. Call Generac Customer Service 1-888GENERAC (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 1-888GENERAC (1-888-436-3722) for any assembly issues or concerns. Please have model
and serial number available.
The following tools are required to install the
accessory kit.
Needle Nose Pliers
Ratchet Wrench
8mm Socket
12mm Socket
13mm Socket
10mm Wrench
13mm Wrench
8mm Wrench (2) (electric start only)
NOTE: The wheels are not intended for overthe-road use.
See Figure 2-9.
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-
E
F
L
H
J
K
C
G
006620
B
001027
A
M
K
J
000115
lows:
1. Slide hex head bolts (L) through rubber
bumper (D), then through frame foot (C) (if
not pre-assembled).
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).
.
Figure 2-9. Wheel & Foot Assembly
See Figure 2-10.
Install handle as follows:
1. Slide long bolts (K) through handle bracket
and handle (A). Install hex nuts (J).
4. Connect the black cable to the negative (-)
battery terminal with the bolt and nut supplied. Slide rubber boot over the negative
(-) battery terminal and connection hardware.
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
CAUTION
Engine damage. Verify proper type and quantity of
engine oil prior to starting engine. Failure to do so
could result in engine damage.
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 2-11.
(000135)
Figure 2-11. 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.
.
Figure 2-10. Handle Assembly
Battery Cable Connection (electric start only)
The unit has been shipped with the battery
cables disconnected.
You will need two 8mm box wrenches to connect the battery cables. See Figure 4-5.
1. Cut off cable ties securing battery cables
and remove red cover from battery terminal.
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 (+) battery terminal and connection hardware.
10 Owner’s Manual for Portable Generator
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 2-12. Remove dipstick and verify oil level is within safe operating range.
10W-30
Synthetic 5W-30
SAE 30
000399
Figure 2-12. Safe Operating Range
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.
(000106b)
Fluid Injection. This machine produces
high-pressure fluid streams that can pierce
skin. Fluid injection could result in death or
serious injury.
WARNING
000400
A
B
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.
3. Clean area around fuel cap and remove
cap slowly.
4. Slowly add recommended fuel (A). Do not
overfill (B). See Figure 2-13.
5. Install fuel cap.
IMPORTANT NOTE: It is important to prevent gum deposits from forming in fuel
system parts such as the carburetor, fuel
hose or tank during storage. Alcoholblended 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.
Figure 2-13. Add Recommended Fuel
NOTE: Allow spilled fuel to evaporate before
starting unit.
Owner’s Manual for Portable Generator 11
Section 3 Operation
(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
(000179b)
DANGER
Asphyxiation. 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
Operation and Use Questions
Call Generac customer service at 1-888-GENERAC (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
Asphyxiation. Running engines produce
carbon monoxide, a colorless, odorless,
poisonous gas. Carbon monoxide, if not
avoided, will result in death or serious injury.
DANGER
(000103)
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 receptacles (see NEC 250.34 (A). This allows the
generator to be used as a portable without
grounding the frame of the generator as specified 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) regulations, local codes, or ordinances that apply
to the intended use of the generator.
Consult a qualified electrician, electrical
inspector, or the local agency having jurisdiction:
• In some areas, generators are required to
be registered with local utility companies.
• If the generator is used at a construction
site, there may be additional regulations
which must be observed.
Connecting the Generator to a
Building Electrical System
It is recommended to use a manual transfer
switch when connecting directly to a building
electrical system. Connecting a portable generator to a building electrical system must be
made in strict compliance with all national and
local electrical codes and laws, and be completed by a qualified electrician.
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 generator's wattage capacity.
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 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 wattage requirements.
Wattage Reference Guide
Device Running
*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
Watts
*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)
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.
400
Transporting/Tipping of the Unit
Do not operate, store or transport the unit at
an angle greater than 15 degrees.
Owner’s Manual for Portable Generator 13
Starting Pull Start Engines
(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.
A
ON
OFF
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.
IMPORTANT NOTE: Do not overload the
generator. Also, do not overload individual
panel receptacles. These outlets are protected against overload with push-to-resettype circuit breakers. If amperage rating of
any circuit breaker is exceeded, that
breaker opens and electrical output to that
receptacle is lost. Read Know Generator
Limits carefully.
Starting Electric Start Engines
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).
.
000208
Figure 3-2.Fuel Shut-off Valve
4. Turn engine RUN/STOP/START switch to
RUN/ON (manual start only). See Figure
2-2.
5. Slide engine choke (C) to Full Choke posi-
tion (left). See Figure 3-3.
000209
Figure 3-3.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.
14 Owner’s Manual for Portable Generator
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 3-3.
5. Press and hold RUN/STOP/START 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/ON
position. 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 generator or individual panel receptacles. These
outlets are overload protected with pushto-reset circuit breakers. If amperage rating of any circuit breaker is exceeded, that
breaker opens and electrical output to that
receptacle is lost. Read Know Generator
Limits carefully.
Generator Shut Down
(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
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)
"!44%29
1. Shut off all loads and unplug electrical
loads from generator panel receptacles.
2. Let engine run at no-load for several minutes 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 to shut down the engine automatically
when the oil level drops below a specified
level. The engine will not run until the oil has
been filled to the proper level.
IMPORTANT NOTE: Verify proper engine oil
and fuel levels before use.
Charging the Battery (electric start units only)
#(!2'%2
).054
Figure 3-4. Battery Charger Input Jack
000423
NOTE: The battery shipped with the generator
has been fully charged. A battery may lose
some of its charge when not in use for prolonged 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 3-4. 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.
Owner’s Manual for Portable Generator 15
Section 4 Maintenance and Troubleshooting
(000142a)
Personal injury. 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
Maintenance
Regular maintenance will improve performance 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 following chart.
At Each Use
Check engine oil level
Every 100 Hours or Every Season*
Change oil ǂ
Inspect/clean spark arrestor
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 temperatures.
** 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.
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 stator winding insulation. Water and dirt buildup
on generator internal windings will decrease
insulation resistance of windings.
Engine Maintenance
WARNING
Accidental start-up. Disconnect spark plug wires when
working on unit. Failure to do so could result in death
or serious injury.
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).
(000141)
16 Owner’s Manual for Portable Generator
.
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
000379
A
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.
Change Engine Oil
WARNING
Accidental start-up. Disconnect spark plug wires when
working on unit. Failure to do so could result in death
or serious injury.
(000141)
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 running, 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 completely 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 dipstick. 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 damaged if run with a dirty air filter. Service air filter 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 1-888GENERAC (1-888-436-3722).
Figure 4-2. Safe Operating Range
5. Add recommended engine oil as necessary.
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.
Owner’s Manual for Portable Generator 17
Figure 4-3. Air Filter Assembly
Service Spark Plug
000211
(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.
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.
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.
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 hardware.
Inspect Muffler and Spark Arrester
NOTE: It is a violation of California Public
Resource Code, Section 4442, to use or operate the engine on any forest-covered, brushcovered, or grass-covered land unless the
exhaust system is equipped with a spark
arrester, as defined in Section 4442, maintained in effective working order. Other states
or federal jurisdictions may have similar laws.
Contact original equipment manufacturer,
retailer, or dealer to obtain a spark arrester
designed for exhaust system installed on this
engine.
NOTE: Use ONLY original equipment replacement 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
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
18 Owner’s Manual for Portable Generator
000224
1. Loosen clamp (A) and remove screw. See
Figure 4-6.
2. Inspect screen (B) and replace if torn, perforated or otherwise damaged. If screen is
not damaged, clean with commercial solvent.
3. Replace spark arrestor cone (C) and
screen (B). Secure with clamp and screw.
000586
A
B
C
(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.
Figure 4-6. Spark Arrestor Screen
Valve Clearance
Important: Please contact an Independent
Authorized Service Dealer for service assistance. Proper valve clearance is essential for
prolonging the life of the engine.
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
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.
Risk of Fire. Verify machine has properly
cooled before installing cover and storing
machine. Hot surfaces could result in fire.
It is recommended to start and run the generator 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 temperature 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 problems.
• Cover unit with a suitable protective, moisture resistant cover.
• Store unit in a clean and dry area.
• Always store generator and fuel away from
heat and ignition sources.
DANGER
(000143)
WARNING
(000109)
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, prepare and run engine for long term storage.
Run engine for 10-15 minutes to circulate stabilizer 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 distribute 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.
Owner’s Manual for Portable Generator 19
Troubleshooting
PROBLEM CAUSE CORRECTION
Engine is running, but
AC output is not
available.
1. Circuit breaker OPEN.
2. Poor connection or defective
cord set.
3. Connected device is bad.
4. Fault in generator.
5. GFCI receptacle is OPEN (if
equipped).
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is
in good condition.
4. Contact IASD.
5. Correct ground fault and press
reset button on GFCI receptacle (if equipped).
Engine runs well at
no-load, but bogs when
load is applied.
Engine will not start; or
starts and runs rough.
Engine shuts down
during operation.
1. Short circuit in a connected
load.
2. Generator is overloaded.
3. Engine speed is too slow.
4. Shorted generator circuit.
5. Clogged spark arrestor.
1. Fuel shut-off is OFF.
2. Dirty air filter.
3. Out of fuel.
4. Stale fuel.
5. Spark plug wire not connected
to spark plug.
6. Bad spark plug.
7. Water in fuel.
8. Overchoking.
9. Low oil level.
10. Excessive rich fuel mixture.
11. Intake valve stuck open or
closed.
12. Engine lost compression.
1. Out of fuel.
2. Low oil level.
3. Fault in engine.
4. CO-SENSE shut-off due to
accumulating carbon monoxide if a red light blinks on the
side panel badge.
5. CO-SENSE shut-off due to a
system fault if a yellow light
blinks on the side panel
badge.
1. Disconnect shorted electrical
load.
2. See
Know Generator Limits.
3. Contact IASD.
4. Contact IASD.
5. Clean spark arrestor screen.
1. Turn fuel shut-off ON.
2. Clean or replace air filter.
3. Fill fuel tank.
4. Drain fuel tank and fill with
fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain fuel tank; fill with fresh
fuel.
8. Set choke to no choke position.
9. Fill crankcase to correct level.
10. Contact IASD.
11. Contact IASD.
12. Contact IASD.
1. Fill fuel tank.
2. Fill crankcase to correct level.
3. Contact IASD.
4. Follow all safety instructions
and relocate generator to an
open area outside, far away
from windows, doors and
vents.
5. Start to confirm yellow light
blinks when/if generator shutsoff. If CO-SENSE continues to
fault and shut-off, contact
IASD.
Engine lacks power. 1. Load is too high.
Engine surges or
stumbles.
20 Owner’s Manual for Portable Generator
2. Dirty air filter.
3. Engine needs to be serviced.
4. Clogged spark arrestor.
1. Choke is opened too soon.
2. Carburetor is running too rich
or too lean.
1. Reduce load (see
Know Gen-
erator Limits).
2. Clean or replace air filter.
3. Contact IASD.
4. Clean spark arrestor screen.
1. Set choke to halfway position
until engine runs smoothly.
2. Contact IASD.
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