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Owner's Manual
GP Series Portable Generator
www.generac.com or 1-888-436-3722
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.

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Summary of Contents for Generac Power Systems G0059395

  • Page 1 Owner's Manual GP Series Portable Generator 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 1-888-436-3722...
  • Page 2: Table Of Contents

    Table of Contents Introduction ............. 1 Maintenance ............12 Performing Scheduled Maintenance ......12 Read this Manual Thoroughly ......... 1 Maintenance Schedule ..........12 Safety Rules ............1 Product Specifications ..........12 Standards Index .............3 3.3.1 Generator Specifications ........12 3.3.2 Engine Specifications ........12 General Information ..........
  • Page 3: Introduction

    Introduction INTRODUCTION Thank you for purchasing this model by Generac Power Systems, Indicates a hazardous situation or action which, if not Inc. This model is a compact, high performance, air-cooled, avoided, could result in minor or moderate injury. engine driven generator designed to supply electrical power to...
  • Page 4 Safety Rules ELECTRICAL HAZARDS • 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 • The generator produces dangerously high voltage when in dangerous operating conditions from leaking exhaust gases, operation.
  • Page 5: Standards Index

    Safety Rules • Do not insert objects through unit’s cooling slots. MODEL NO: • Never operate the generator if connected electrical devices overheat, if electrical output is lost, if engine or generator sparks SERIAL NO: or if flames or smoke are observed while unit is running. •...
  • Page 6: General Information

    General Information 1.1 UNPACKING Figure 1 – Wheel & Handle Assembly • Remove all packaging material. 2 X M8 BOLT (LONG) • Remove separate accessory box. 2 X M8 ACORN NUT • Remove the generator from carton. 4 X M8 BOLT (LONG) 1.1.1 ACCESSORIES 2 X COTTER PIN...
  • Page 7: Emissions Information

    Operation 1.3 EMISSIONS INFORMATION 17. Roll Over Valve – Passes fuel to the engine airbox. 18. Recovery Hose – Install between the carbon canister and the The Environmental Protection Agency requires that this generator roll over valve. comply with exhaust and evaporative emission standards. This 19.
  • Page 8: Hourmeter

    Operation Figure 4 - Generator Controls Figure 5 – Hourmeter 0000.0 HOUR GLASS RESET BUTTON GRAPHIC (IF EQUIPPED) 2.3 CORD SETS AND CONNECTION PLUGS 2.3.1 120 VAC, 20 AMP, DUPLEX RECEPTACLE This is a 120 Volt outlet protected against overload by a 20 Amp push-to-reset circuit breaker (Figure 6).
  • Page 9: How To Use The Generator

    Operation Figure 7 - 120/240 VAC, 30 Amp Receptacle 2.4 HOW TO USE THE GENERATOR See the "To Start the Engine" section for how to safely start and stop the generator and how to connect and disconnect loads. If 2.4.1 GROUNDING THE GENERATOR WHEN USED AS A there are any problems operating the generator, please call the PORTABLE generator helpline at 1-888-436-3722.
  • Page 10: Don't Overload The Generator

    Operation Grounding the Generator in a Building Standby Application • 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.
  • Page 11: Before Starting The Generator

    Operation 2.7.2 ADDING GASOLINE Paint Sprayer, Airless (handheld)......150 Radio .........50 to 200 *Refrigerator.
  • Page 12: Starting Pull Start Engines

    Operation 2.8 STARTING PULL START ENGINES Figure 11 - Engine ON/OFF Switch  Never start or stop engine with electrical devices plugged into the receptacles AND devices turned on. 1. Unplug all electrical loads from the unit's receptacles before starting the engine. 2.
  • Page 13: Stopping The Engine

    Operation 2.12 CHARGING THE BATTERY (ELECTRIC START 6. When the engine starts, move choke knob to “1/2 Choke” position until the engine runs smoothly and then fully in to the UNITS ONLY) “Run” position. If engine falters, move choke knob back out to “1/2 Choke”...
  • Page 14: Maintenance

    Maintenance 3.1 PERFORMING SCHEDULED MAINTENANCE 7.5kW It is important to perform service as specified in the Maintenance Displacement ................420cc Schedule for proper generator operation, and to ensure that the Spark Plug Type/Part No......NHSP LDF7TC/0G84420101 generator complies with the applicable emission standards for the Spark Plug Gap ..........
  • Page 15: To Clean The Generator

    Maintenance 3.4.6 REPLACING THE SPARK PLUG Use Champion N9YC spark plug or equivalent. Replace the plug Never insert any object or tool through the air  every 200 hours. This will help the engine start easier and run cooling slots, even if the engine is not running. better.
  • Page 16: Service Air Filter

    Maintenance 3.5 SERVICE AIR FILTER 3.8 LONG TERM STORAGE The engine will not run properly and may be damaged if using a It is important to prevent gum deposits from forming in essential dirty air filter. Clean the air filter every 50 hours or once a year fuel system parts such as the carburetor, fuel hose or tank during (Figure 16).
  • Page 17: Troubleshooting

    Troubleshooting Notes 4.1 TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION Engine is running, but no AC output 1. Circuit breaker is open. 1. Reset circuit breaker. is available. 2. Poor connection or defective cord set. 2. Check and repair. 3. Connected device is bad. 3.
  • Page 18 Manual Part No. 0K0173 Rev. B (01/24/13) Printed in China...

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Gp series

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