Generac Power Systems IX 800 Operation Manual

MODEL: 005791-3
iX 800
Digital Inverter Generator Operator's Manual
DEADLY EXHAUST FUMES! ONLY use OUTSIDE

far away from windows, doors and vents! NOT INTENDED FOR USE IN CRITICAL LIFE
SUPPORT APPLICATIONS. SAVE this Manual. Provide this manual to any

operator of the generator.
www.generac.com or 1-888-GENERAC

Table of Contents

Accessory Box .....................................Inside Front Cover
Introduction .....................................................................1
Read this Manual Thoroughly .........................................1
Safety Rules ...................................................................1
Standards Index.........................................................3
General Information ........................................................4
1.1 Specifications ........................................................4
1.2 Unit Identification ...................................................4
Operation ........................................................................5
2.1 Pre-Use Check and Set-up .....................................5
2.2 Starting the Generator ............................................6
2.3 Adding Loads .........................................................6
2.4 Using the FlexPower
2.5 Shutting Down .......................................................7
2.6 Low Oil Level Shutdown .........................................7
2.7 Fueling the Generator .............................................7
2.8 Adding Engine Oil ...................................................8
Maintenance ...................................................................9
3.1 Generator Maintenance...........................................9
3.2 Generator Maintenance Schedule ...........................9
3.3 Cleaning the Generator ...........................................9
3.4 Engine Maintenance ...............................................9
3.5 Changing the Engine Oil .......................................10
3.6 Changing the Spark Plug ......................................10
3.7 Clean Spark Arrestor Screen.................................10
3.8 Transportation and Storage ..................................11
Switch ................................7
Troubleshooting ............................................................12
4.1 Troubleshooting Guide ..........................................12
Notes ............................................................................13
iX 800 Manual del operador del
Generador Inversor Digital .......................................15
iX 800 Manuel d'utilisation du
générateur inverseur numérique ..............................31

ACCESSORY BOX

Check all contents. If any parts are missing or damaged locate an authorized dealer at 1-888-436-3722.
Contents include:
• 1 bottle SAE 30 Oil • Oil Funnel
• Spark Plug Wrench • Screwdriver
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.
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.

INTRODUCTION

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

READ THIS MANUAL THOROUGHLY

If any portion of this manual is not understood, contact the nearest Authorized Dealer for starting, operating and servicing procedures.
The operator is responsible for proper and safe use of the equipment. We strongly recommend that the operator read this manual and thoroughly understand all instructions before using the equipment. We also strongly recommend instructing other users to properly start and operate the unit. This prepares them if they need to operate the equipment in an emergency.
The generator can operate safely, efficiently and reliably only if it is properly located, operated and maintained. Before operating or servicing the generator:
• Become familiar with and strictly adhere to all local, state and
national codes and regulations.
• Study all safety warnings in this manual and on the product
carefully.
• Become familiar with this manual and the unit before use.
The manufacturer cannot anticipate every possible circumstance that might involve a hazard. The warnings in this manual, and on tags and decals affixed to the unit are, therefore, not all inclusive. If using a procedure, work method or operating technique that the manufacturer does not specifically recommend, ensure that it is safe for others. Also make sure the procedure, work method or operating technique utilized does not render the generator unsafe.
THE INFORMATION CONTAINED HEREIN WAS BASED ON MACHINES IN PRODUCTION AT THE TIME OF PUBLICATION. GENERAC RESERVES THE RIGHT TO MODIFY THIS MANUAL AT ANY TIME.

SAFETY RULES

Throughout this publication, and on tags and decals affixed to the generator, DANGER, WARNING, CAUTION and NOTE blocks are used to alert personnel to special instructions about a particular operation that may be hazardous if performed incorrectly or carelessly. Observe them carefully. Their definitions are as follows:
Indicates a hazardous situation or action which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation or action which, if not avoided, could result in death or serious injury.
Safety Rules
Indicates a hazardous situation or action which, if not avoided, could result in minor or moderate injury.
NOTE:
Notes contain additional information important to a procedure and will be found within the regular text body of this manual.
These safety warnings cannot eliminate the hazards that they indicate. Common sense and strict compliance with the special instructions while performing the action or service are essential to preventing accidents.
Four commonly used safety symbols accompany the DANGER, WARNING and CAUTION blocks. The type of information each indicates is as follows:
This symbol points out important safety information that, if not followed, could

endanger personal safety and/or property of others.
This symbol points out potential explosion hazard.
This symbol points out potential fire hazard.
This symbol points out potential electrical

shock hazard.

GENERAL HAZARDS

• NEVER operate in an enclosed area, in a vehicle, or indoors EVEN IF doors and windows are open.
• For safety reasons, the manufacturer recommends that the maintenance of this equipment is carried out by an Authorized Dealer. Inspect the generator regularly, and contact the nearest Authorized Dealer for parts needing repair or replacement.
• Operate generator only on level surfaces and where it will not be exposed to excessive moisture, dirt, dust or corrosive vapors.
• Keep hands, feet, clothing, etc., away from drive belts, fans, and other moving parts. Never remove any fan guard or shield while the unit is operating.
• Certain parts of the generator get extremely hot during operation. Keep clear of the generator until it has cooled to avoid severe burns.
• Do NOT operate generator in the rain.
• Do not alter the construction of the generator or change controls which might create an unsafe operating condition.
• Never start or stop the unit with electrical loads connected to receptacles AND with connected devices turned ON. Start the engine and let it stabilize before connecting electrical loads. Disconnect all electrical loads before shutting down the generator.
• When working on this equipment, remain alert at all times. Never work on the equipment when physically or mentally fatigued.
1
Safety Rules
Save These Instructions – The manufacturer suggests that these rules for safe operation be copied and posted near the unit's installation site. Safety should be stressed to all operators and potential operators

of this equipment. If you loan this unit to anyone, ALWAYS loan this Owner's Manual and stress the importance of reading the same before operating the unit.
• Never use the generator or any of its parts as a step. Stepping on the unit can stress and break parts, and may result in dangerous operating conditions from leaking exhaust gases, fuel leakage, oil leakage, etc.

EXHAUST & LOCATION HAZARDS

• NEVER operate in an enclosed area or indoors! NEVER use in the home, in a vehicle, or in partly enclosed areas such as garages, EVEN IF doors and windows are open! ONLY use outdoors and far from open windows, doors, vents, and in an area that will not accumulate deadly exhaust.
Utiliser un générateur à l'intérieur PEUT VOUS TUER EN QUELQUES MINUTES. Les gaz d'échappement du générateur contiennent du monoxyde de carbone. C'est un gaz toxique invisible et inodore.
NE JAMAIS utiliser à l'intérieur d'une maison ou d'un garage, MÊME SI les portes et les fenêtres sont ouvertes.
• The engine exhaust fumes contain carbon monoxide, which you cannot see or smell. This poisonous gas, if breathed in sufficient concentrations, can cause unconsciousness or even death.
• Adequate, unobstructed flow of cooling and ventilating air is critical to correct generator operation. Do not alter the installation or permit even partial blockage of ventilation provisions, as this can seriously affect safe operation of the generator. The generator MUST be operated outdoors.
• This exhaust system must be properly maintained. Do nothing that might render the exhaust system unsafe or in noncompliance with any local codes and/or standards.
• The manufacturer recommends installing a battery operated carbon monoxide alarm indoors, according to the manufacturers instructions.
• If you start to feel sick, dizzy, or weak after the generator has been running, move to fresh air IMMEDIATELY. See a doctor, as you could have carbon monoxide poisoning.
Utiliser UNIQUEMENT à l'EXTÉRIEUR et loin des fenêtres, portes et ventilations.

ELECTRICAL HAZARDS

• The generator produces dangerously high voltage when in operation. Avoid contact with bare wires, terminals, connections, etc., while the unit is running, even on equipment connected to the generator. Ensure all appropriate covers, guards and barriers are in place before operating the generator.
• Never handle any kind of electrical cord or device while standing in water, while barefoot or while hands or feet are wet.
DANGEROUS ELECTRICAL SHOCK MAY RESULT.
• The National Electric Code (NEC) requires the frame and external electrically conductive parts of the generator be properly connected to an approved earth ground. Local electrical codes may also require proper grounding of the generator. Consult with a local electrician for grounding requirements in the area.
• Use a ground fault circuit interrupter in any damp or highly conductive area (such as metal decking or steel work).
• Do not use worn, bare, frayed or otherwise damaged electrical cord sets with the generator.
• In case of accident caused by electric shock, immediately shut down the source of electrical power. If this is not possible, attempt to free the victim from the live conductor. AVOID DIRECT CONTACT WITH THE VICTIM. Use a non-conducting implement, such as a rope or board, to free the victim from the live conductor. If the victim is unconscious, apply first aid and get immediate medical help.

FIRE HAZARDS

• Gasoline is highly FLAMMABLE and its vapors are EXPLOSIVE. Do not permit smoking, open flames, sparks or heat in the vicinity while handling gasoline.
• Never add fuel while unit is running or hot. Allow engine to
cool completely before adding fuel.
• Never fill fuel tank indoors. Comply with all laws regulating storage and handling of gasoline.
• Do not overfill the fuel tank. Always allow room for fuel expansion. If tank is over-filled, fuel can overflow onto a hot
engine and cause FIRE or an EXPLOSION. Never store generator with fuel in tank where gasoline vapors might reach an open flame, spark or pilot light (as on a furnace, water heater or clothes dryer). FIRE or EXPLOSION may result. Allow unit to cool entirely before storage.
• Wipe up any fuel or oil spills immediately. Ensure that no combustible materials are left on or near the generator. Keep the area surrounding the generator clean and free from debris and keep a clearance of five (5) feet on all side to allow for proper ventilation of the generator.
2
Safety Rules
• Do not insert objects through unit’s cooling slots.
• Do not operate the generator if connected electrical devices overheat, if electrical output is lost, if engine or generator sparks or if flames or smoke are observed while unit is running.
• Keep a fire extinguisher near the generator at all times.

STANDARDS INDEX

1. National Fire Protection Association (NFPA) 70: The NATIONAL ELECTRIC CODE (NEC) available from www.nfpa.org
2. National Fire Protection Association (NFPA) 5000: BUILDING CONSTRUCTION AND SAFETY CODE available from www. nfpa.org
3. International Building Code available from www.iccsafe.org
4. Agricultural Wiring Handbook available from www.rerc.org , Rural Electricity Resource Council P.O. Box 309 Wilmington, OH 45177-0309
5. ASAE EP-364.2 Installation and Maintenance of Farm Standby Electric Power available from www.asabe.org, American Society of Agricultural & Biological Engineers 2950 Niles Road, St. Joseph, MI 49085
This list is not all inclusive. Check with the Authority Having Local Jurisdiction (AHJ) for any local codes or standards which may be applicable to your jurisdiction.
MODEL NO:
SERIAL NO:
Figure 1 - Generator ID Plate
ID PLATE
3

General Information

1.1 SPECIFICATIONS

Engine Type . . . . . . . . . . . . . . . . . . . . . . . . Single Cylinder, 4-Stroke
Engine Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 cc
Starter Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Recoil
Fuel Capacity/Type . . . . . . . . . . . . . . . . . . .0.42 Gal (1.5L)/Unleaded
Oil Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.18 Qt (0.17L)
Runtime Full/Half Load. . . . . . . . . . . . . . . . . . . . . . . . 2.0/3.5 Hours
Spark Plug Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NGK CR7HSA
Spark Plug Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..030”
Spark Plug Part Number. . . . . . . . . . . . . . . . . . . . . . . . . . . .0H8097
Dimensions L x W x H (in) . . . . . . . . . . . . . . . . . . . . . . 18 x 10 x 15
Weight Lb/kg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29/13.2
Maximum AC Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800W
Surge AC Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850W
AC Volts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 VAC
Rated AC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.6 A
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Hz
THD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0%
Insulation Class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class B
Outlets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (2) 5-15R
NOTE:
Power output and runtime are influenced by many factors, some of which are fuel quality, ambient temperature and engine condition. Output decreases approximately 3.5% for each 1,000 feet above sea level and 1% for every 10 degrees above 60°F.
1.1.1 EMISSIONS INFORMATION
The Environmental Protection Agency (EPA) requires that your generator comply with exhaust emission standards. This generator is certified to meet the applicable EPA emission levels. Additional information regarding the requirements set by EPA is as follows:
The maintenance specifications provided in this manual must be followed to ensure that your engine complies with the applicable emission standards for the duration of the engine’s life. This engine is certified to operate on gasoline. The emission control system on your generator consists of the following:
• Fuel Metering System • Ignition System
~ Carburetor ~ Spark plug ~ Fuel Pump ~ Ignition module ~ Fuel Lines • Air Induction System ~ Fuel Tank/Cap ~ Intake pipe/manifold ~ Evaporative Vent Lines ~ Air cleaner
The Emissions Compliance Period referred to on the Emissions Compliance Label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements.

1.2 UNIT IDENTIFICATION

(Figure 2)
1. Carrying Handle: Lift the generator by this handle only.
2. Spark Plug Cover: Allows access to the engine spark plug.
3. Fuel System Primer: Used to prime the fuel system for starting.
4. Fuel Cap Pressure Valve: Allows air to enter the fuel tank to equalize pressure.
5. Fuel Tank Cap: Access to fuel tank for filling.
6. Control Panel: location of generator controls and output receptacles.
7. Air Intake Slats: Allows for cooling air to enter the housing.
8. Muffler: Lowers engine exhaust noise (includes the spark arrestor).
9. Choke: Cold engine starting aid
10. Left Side Service Cover: Allows access to air filter and oil fill.
11. Vent Hoses: Hoses allow venting of the crankcase and carburetor.
12. Fuel Shutoff: Controls fuel supply to the carburetor.
13. Starter Rope: Pull rope for starting engine.
Figure 2 - Unit Identification
1
3
4
5
6
8
2
7
13
12
4
11
10
9

Operation

1.2.1 CONTROL PANEL (Figure 3)
14. READY LED (green): Indicates output from the generator unless there is a low oil or overload condition.
15. OVERLOAD LED (red): Lights up if the generator experiences a load greater than the rated output, low voltage, overheats or the powered circuit experiences a short. The output is stopped even though the engine keeps running.
16. LOW OIL LEVEL LED (yellow): Lights up when oil level is below safe operating level and the engine shuts down..
17. FlexPower™ Switch: This switch slows the engine speed when the load is reduced to save fuel and engine wear.
18. 120 VAC Receptacles: Two (2) receptacles for connecting accessories.
19. Ground (Earth) Connection Lug: Grounding point for the generator; consult state and local electrical codes before use (floating ground).
NOTE:
Do not exceed the rated output of the generator.
Figure 3 - Control Panel
18
The engine exhaust fumes contain carbon monoxide, which you cannot see or smell.

This poisonous gas, if breathed in sufficient concentrations, can cause unconsciousness or even death.
Adequate, unobstructed flow of cooling and ventilating air is critical to correct generator

operation. Do not alter the installation or permit even partial blockage of ventilation provisions, as this can seriously affect safe operation of the generator. The generator MUST be operated outdoors.
This exhaust system must be properly maintained. Do nothing that might render the

exhaust system unsafe or in noncompliance with any local codes and/or standards.
The manufacturer recommends installing a battery operated carbon monoxide alarm

indoors, according to the manufacturers instructions.
NEVER use in the home, in a vehicle, or in partly enclosed areas such as garages, campers or

trailers. ONLY use outdoors and far from open windows, doors, vents.
14
15
16
17
19

2.1 PRE-USE CHECK AND SET-UP

Prior to starting the generator and adding loads, perform the following tasks:
1. Make sure the generator in on a firm, level (not to exceed 15° in
any direction), non-combustible surface with at least five (5) feet of clearance on all sides.
Never operate in an enclosed area or indoors! NEVER use in the home,

enclosed areas such as garages, even if doors and windows are open! ONLY use outdoors and far from open windows, doors, vents, and in an area that will not accumulate deadly exhaust.
in a vehicle, or in partly
Utiliser un générateur à l'intérieur PEUT VOUS TUER EN QUELQUES MINUTES. Les gaz d'échappement du générateur contiennent du monoxyde de carbone. C'est un gaz toxique invisible et inodore.
NE JAMAIS utiliser à l'intérieur d'une maison ou d'un garage, MÊME SI les portes et les fenêtres sont ouvertes.
2. Remove the fuel cap and check the fuel level. If fuel is needed, see the section “FUELING THE GENERATOR”.
3. Remove the left side service cover and check the oil level by removing the oil filler cap. The oil level should be to the bottom of the threads on the oil fill pipe. If oil is needed, see the section “ADDING ENGINE OIL”.
4. Replace and secure the left side service cover.
5. Make sure there are no loads connected to the generator.
6. The National Electric Code (NEC) requires the frame and external electrically conductive parts of the generator be properly connected to an approved earth ground. Proper grounding of the generator will prevent electrical shock in the event of a ground fault condition in the generator or in connected electrical devices. Proper grounding also helps dissipate static electricity, which often builds up in unguarded devices.
7. Local electrical codes may also require proper grounding of the generator.
5
Utiliser UNIQUEMENT à l'EXTÉRIEUR et loin des fenêtres, portes et ventilations.
Operation
Starting the generator with accessories connected
to the 120 VAC outlets will damage the generator

and the connected accessories.

2.2 STARTING THE GENERATOR

Once the fuel and oil levels have been checked and it has been verified there are no loads connected, the generator may be started. Turn the FlexPower Switch OFF (O).
1. Open the fuel valve (Figure 4), located below the starter rope pull, by turning the valve 90° counter-clockwise to the “ON” (I) position.
6. If the engine does not start, repeat steps 2-5 until the engine fires and begins to run.
7. Carefully adjust the choke to approximately the ½ position until the engine begins to run smoothly, then push the lever all the way to the left (Figure 6).
8. Make sure the bottom of the generator is not blocked by sand, leaves, grass, etc. as the cooling vents are located on the bottom of the unit.
Figure 6 - Adjust Choke
Figure 4 - Fuel Valve
TURNING THE FUEL ON
2. Pull up on the center of the fuel fill cap and prime the fuel system by depressing the plunger up to five (5) times with the vent closed (Figure 5).
Figure 5 - Prime Fuel System
PLUNGER
FUEL
SYSTEM
VENT
VENT
3. Open the fuel tank vent on the top of the fuel fill cap by turning the center portion to the “ON” mark (Figure 5).
4. If the engine is cold or has not been run for some time, engage the choke by pushing the choke lever to the right.
5. Grip the handle for the pull starter and brace your other hand against the generator. Pull the rope slowly until resistance is felt, then pull the rope rapidly.
6
OFF
O
ENGINE CHOKE
OPERATION
ON
I

2.3 ADDING LOADS

Once the generator has been running smoothly for 2-3 minutes, electrical loads can be added.
Do not use worn, bare, frayed or otherwise damaged electrical cord sets with the

generator. Do not handle any kind of electrical device while standing in water, while barefoot, or while hands or feet are wet.
1. There are two grounded 120 VAC duplex outlets on the front of the generator.
2. DO NOT overload the generator; if the red “overload” LED lights up and the accessories attached to the generator stop operating, stop the engine and reduce the load to the generator. Restart and apply reduced loads.
3. Consult the following table to estimate what can be powered by the generator.
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 (handheld) . . . . . . . . . . . . . . . . . . . . . . . . . . .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
* Allow three (3) times the listed running watts for starting theses devices.
NOTE:
When an electric motor is started, the "OVERLOAD" LED may light up for up to five (5) seconds (this is normal). If it stays on, a fault has occured. Remove all loads and shut down generator to reset the alarm. Restart the generator. If the "OVERLOAD" LED remains lit, contact a Generac Dealer for assistance.

2.4 USING THE FLEXPOWER™ SWITCH

When the accessories connected to the generator are going to be used intermittently (such as a hand drill), the FlexPower™ switch can be pushed to the “ON” (I) position. This will lower the generator engine speed when loads are not being applied, saving fuel, reducing engine wear and extending runtime.

2.5 SHUTTING DOWN

Once the generator is no longer needed it can be shut down.
1. Switch off any accessories connected to the generator. Unplug any cords to the 120 VAC duplex outlets.
2. Turn the fuel valve to the “OFF” (O) position (Figure 7). A switch behind the fuel valve grounds the ignition system, stopping the engine and the fuel supply is shut off.
3. Close the vent on the fuel cap.
4. Allow the generator to cool before moving or storing.
Operation
Always allow the generator to cool off before storing. High temperatures will be present

at the rear of the unit for some time after shutdown.
Figure 7 - Turn Off Fuel
TURNING THE FUEL OFF

2.6 LOW OIL LEVEL SHUTDOWN

This generator is equipped with a low oil level shut down. If the oil level in the engine crankcase drops below a pre-determined level, the engine will stop automatically and the “LOW OIL” LED will light up.
Remove the Left Side Service Cover and check the oil level of the engine. Add oil as necessary; refer to see the section “ADDING ENGINE OIL”.

2.7 FUELING THE GENERATOR

Use care when fueling the generator. Only fill the fuel tank when the generator is cool and use fresh unleaded gasoline with a minimum Research Octane Number (RON) of 87.
NOTE:
Do not use any gasoline containing more than 10% Ethanol. NEVER fill the fuel tank with E85 or a mixture of oil and gasoline designated for two-cycle engines.
Gasoline is highly FLAMMABLE and its vapors are EXPLOSIVE. Do not permit smoking, open
flames, sparks or heat in the vicinity while
handling gasoline.
Never add fuel while unit is running or hot. Allow unit to cool entirely before adding fuel.

Do not overfill the fuel tank. Always allow room for fuel expansion. If tank is over-filled,
fuel can overflow onto a hot engine and cause
FIRE or an EXPLOSION. Wipe up fuel spills immediately!
7
10 W- 30
SA E 30
Sy nt he ti c 5W -3 0
Operation
2.7.1 TO FILL THE FUEL TANK
1. Remove the fuel tank cap.
Figure 8 - Fuel Tank Cap
FILL TANK UNTIL FUEL IS TWO (2) INCHES BELOW
THE TOP
FUEL TANK
CAP
2.8.1 TO ADD ENGINE OIL TO THE CRANKCASE
1. Place the unit on a firm, level surface (not to exceed 15° in any
direction)
2. Remove the Left Side Service Cover.
3. Remove the oil fill cap, located on the bottom of the engine crankcase.
4. Add the recommended engine oil slowly, stopping frequently to check the level. The full level is the base of the threads in the filler neck.
5. Replace the oil fill cap and tighten.
6. Always check the oil level before starting the generator engine.
.
Figure 9 - Oil Fill
FULL OIL LEVEL IS THE BOTTOM
OF THESE
THREADS
OIL FILL CAP
2. Add fuel slowly, stopping about 2 inches below the top of the filler neck.
3. Replace the fuel tank cap. Make sure the valve on the fuel cap is in the “OFF” position.
4. If the generator is going to be started, refer to the section “STARTING THE GENERATOR” for additional directions on priming the fuel system.

2.8 ADDING ENGINE OIL

All oil should meet minimum American Petroleum Institute (API) Service Class SJ, SL or better. Do not use any aftermarket additives.
Select the oil's viscosity grade according to the expected operating temperature.
• Above 40° F, use SAE 30
• Below 40° F to 10° F, use 10W-30
• Below 10° F, use synthetic 5W-30
SAE 30
10W-30
Synthetic 5W-30
DO NOT overfill the engine crankcase with oil. High oil pressure may result, causing

premature engine wear and damage.
8

Maintenance

3.1 GENERATOR MAINTENANCE

Proper care will ensure maximum performance of your generator. Generator maintenance consists of keeping the unit clean and dry. Operate and store the unit in a clean dry environment where it will not be exposed to excessive dust, dirt, moisture or any corrosive vapors.
Cooling air slots in the generator must not become clogged with snow, leaves, or any other foreign material.
Check the cleanliness of the generator frequently and clean when dust, dirt, oil, moisture or other foreign substances are visible on its exterior surface.
NOTE:
Never insert any object or tool through the air cooling slots, even if the engine is not running.
NOTE:
DO NOT use a garden hose to clean generator. Water can enter the engine fuel system and cause problems. In addition, if water enters the generator through cooling air slots, some water will be retained in voids and crevices of the rotor and stator winding insulation. Water and dirt buildup on the generator internal windings will eventually decrease the insulation resistance of these windings.
3.2 GENERATOR MAINTENANCE
SCHEDULE
Follow the recommended service schedule; to order replacement parts call 1-888-436-3722.
Each
Use
Fuel Level X Oil Level X Check Air Filter X Change Engine Oil* X Clean Air Filter** X Check Spark Plug X Check Muffler X Replace Spark Plug X Clean Spark
Arrestor*** * Perform initial oil change after the first five (5) hours of operation
** Clean the air filter more often if operating in dusty or sandy
conditions. Replace as necessary.
*** Inspect and clean every 50 hours of operation.
Every 100
Hours
Every 6 Months
Each
Year
X

3.3 CLEANING THE GENERATOR

1. Use a damp cloth to wipe exterior surfaces clean.
2. A soft, bristle brush may be used to loosen caked on dirt, oil, etc.
3. A vacuum cleaner may be used to pick up loose dirt and debris.
4. Low pressure air (not to exceed 25 psi) may be used to blow away dirt. Inspect cooling air slots and openings on the generator. These openings must be kept clean and unobstructed.
5. Inspect the vent hoses on the left side of the generator. Make sure the hoses protrude through the slots below the door and that the ends are open and free of debris.

3.4 ENGINE MAINTENANCE

NOTE:
Only work on a generator that has cooled completely.
Hot oil may cause burns. Allow engine to cool
entirely before draining oil. Avoid prolonged

or repeated skin exposure with used oil. Thoroughly wash exposed areas with soap.
Inspect the oil level and air filter condition each time you are going to use the generator. To check the air filter and oil level the left side service cover must be removed; use a screwdriver to loosen the screw securing the cover and remove.
The air filter is located behind a cover for the air box (Figure 10). Push the tab on the bottom of the air box upwards to release the cover. To service the air cleaner:
1. Remove the air cleaner. Tap the element to shake loose any large particles.
2. Wash the element in soapy water. Squeeze the filter dry in clean cloth (DO NOT TWIST).
Figure 10 - Air Filter
AIR
FILTER
LEFT SIDE
SERVICE
COVER
FILTER
HOUSING
COVER
LEFT SIDE
SERVICE COVER
SCREW
9
Maintenance
3. Soak the filter element in clean engine oil. Squeeze the excess oil from the filter, leaving a light coating.
4. Clean air cleaner housing and cover before re-installing the filter element.
5. To order a new air filter, you will need par t number 0H56810216.

3.5 CHANGING THE ENGINE OIL

Hot oil may cause burns. Allow engine to cool entirely before draining oil. Avoid prolonged
or repeated skin exposure with used oil. Thoroughly wash exposed areas with soap.
Change the engine oil after the first five (5) hours of operation. Change the engine oil every 100 hours thereafter. To change the engine oil:
Change the oil only when the fuel tank is low or nearly empty. Tipping the generator with a
full fuel tank may cause fuel leakage.
1. Place the generator over a drain pan and remove the drain plug. Tip the generator on its side to drain the used oil from the crankcase.
NOTE:
To make draining the oil easier, a 6” length of vinyl (PVC) hose with an inside diameter of 1.25” (32mm) may be placed over the drain lip.
2. Tip the generator upright once the oil has finished draining. Replace the engine oil with the proper grade called out in Section “ADDING ENGINE OIL”, then replace the drain plug.

3.6 CHANGING THE SPARK PLUG

Replace the spark plug each year, regardless of how many hours the generator has been run. Use a NGK CR7HSA that has been gapped to .030” (.76mm). To replace the spark plug:
1. Remove the spark plug cover on the top right side of the generator, just below the handle (Figure 11).
2. Carefully pull the spark plug lead from the spark plug. Use a socket wrench to remove the spark plug.
3. Install the new spark plug into the cylinder head. Tighten the spark plug to 15 ft/lb.
4. Replace the spark plug lead, making sure it is fully seated.
5. Replace the spark plug cover.
Figure 11 - Replace Spark Plug
SPARK PLUG
LOCATION

3.7 CLEAN SPARK ARRESTOR SCREEN

The engine exhaust muffler has a spark arrestor screen. Inspect and clean the screen every 50 hours of operation or once each year, whichever comes first.
Clean and inspect the spark arrestor as follows:
• Remove the screen retainer by removing the retainer clamp.
• Slide the spark arrestor screen out from the muffler outlet tube.
• Inspect screen and replace if torn, perforated or otherwise
damaged. Do NOT use a defective screen. If screen is not damaged, clean with a commercial solvent.
• Replace the screen and retainer and secure with retainer clamp.
Figure 12 - Spark Arrestor Screen
10
Maintenance

3.8 TRANSPORTATION AND STORAGE

Transport or store the generator only if it has cooled completely. Make sure the fuel valve and the vent on the fuel cap are both in the OFF (“O”) position.
It is important to prevent gum deposits from forming in essential fuel system parts such as the carburetor, fuel hose or tank during long-term storage. Also, experience indicates that alcohol-blended fuels (called gasohol, ethanol or methanol) can attract moisture, which leads to separation and formation of acids; these acids can damage the fuel system of an engine while in storage.
To avoid engine problems, the use of a commercial fuel stabilizer prior to storage is recommended. Follow the manufacturer’s instructions when adding the fuel stabilizer.
If the generator is going to be stored for more than six (6) months, the generator should be prepared as follows:
1. Remove all gasoline from the fuel tank.
2. Start and run engine until engine stops from lack of fuel or open the valve on carburetor bowl (Figure 13), and allow gasoline to drain down tube into a receptacle. Discard appropriately. Be sure to close the valve once the gasoline has drained.
3. After the engine cools down, drain oil from crankcase. Refill with recommended grade.
4. Remove spark plug and pour about 1/2 ounce (15 ml) of engine oil into the cylinder. Cover spark plug hole with rag. Pull the starting rope several times to coat the cylinder wall with engine oil.
5. Install and tighten the spark plug.
6. Clean the generator outer surfaces. Check that cooling air slots and openings on generator are open and unobstructed.
7. Store the unit in a clean, dry place.
Do not store gasoline from one season to another. If possible, store the unit indoors and cover it to give protection
from dust and dirt.
Figure 13 - Carburetor Drain Valve
CARBUREATOR DRAIN
VALVE LOCATED BEHIND
AIR INTAKE
TURN VALVE COUNTER-
CLOCKWISE TO DRAIN FUEL,
CLOCKWISE TO CLOSE
11

Troubleshooting

4.1 TROUBLESHOOTING GUIDE

PROBLEM CAUSE CORRECTIVE ACTION
Engine won't start. 1. No fuel in tank.
2. Fuel valve turned off.
3. Defective spark plug.
4. Defective or stuck engine stop switch.
1. Add fuel to tank.
2. Turn fuel valve on.
3. Replace spark plug.
4. Replace engine start switch.
Engine starts, then shuts down. 1. Low fuel level.
2. Fuel tank vent closed.
3. Incorrect engine oil level.
4. Contaminated fuel.
5. Defective low oil level switch.
6. Defective ignition coil.
Engine starts, then runs rough. 1. Choke is stuck or left on.
2. Dirty or clogged air filter.
3. Defective or dirty spark plug.
4. Defective FlexPower switch.
No AC output. 1. Generator is overloaded (OVERLOAD LED is on).
2. AC voltage is low (OVERLOAD LED is on).
3. Inverter module is overheated (OVERLOAD LED is on).
4. Short circuit in load (OVERLOAD LED is on).
5. Defective inverter assembly.
Fuel leaks from drain hoses. 1. Fuel system over primed (flooded).
2. Carburetor drain in bowl is not closed.
1. Add fuel to tank.
2. Open fuel tank vent.
3. Check engine oil level, add or drain as needed.
4. Replace fuel filter.
5. Replace Low Oil Level switch.
6. Replace ignition coil.
1. Turn choke off.
2. Clean or replace the air filter element.
3. Replace spark plug.
4. Replace FlexPower switch.
1. Shut down generator to reset module. Reduce loads and restart generator.
2. Verify vent is open and choke is OFF.
3. Verify service door is ON. Let cool for 15 minutes and restart generator.
4. Verify condition of any extension cords and all loads being powered.
5. Replace inverter assembly.
1. Turn vent in cap ON and let generator sit 15 minutes before restarting.
2. Turn valve clockwise to close.
* Engine speed increases and decreases — This is normal as the generator starts up and as loads vary.
12

Notes

13

Manual Part No. 0J4113 Rev. D (06/25/13) Printed in China

MODELO: 005791-3
iX 800
Manual del operador del Generador Inversor Digital
PELIGRO
¡HUMOS DE ESCAPE MORTALES! ¡Utilícelo

SOLAMENTE al AIRE LIBRE y lejos de ventanas, puertas y respiraderos!
NO DISEÑADO PARA SER USADO EN
APLICACIONES DE SOPORTE DE VIDA CRÍTICA. GUARDE este Manual. Proporcione este manual a
cualquier operador del generador.

www.generac.com or 1-888-GENERAC
15
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