Generac Power Systems 4000XL Owner's Manual
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Generac Power Systems 4000XL Owner's Manual

Portable generator
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4000XL
Portable Generator Owner's Manual
Model No. 9777–2 (4000 Watt AC Generator) Manual No. B4400 Revision 4 (9/20/2000)
Visit our Generac website: www.generac-portables.com
This is the safety alert symbol. It is used to alert you to potential personal injury hazards.
Obey all safety messages that follow this symbol to avoid possible injury or death.

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Summary of Contents for Generac Power Systems 4000XL

  • Page 1 Portable Generator Owner’s Manual Model No. 9777–2 (4000 Watt AC Generator) Manual No. B4400 Revision 4 (9/20/2000) Visit our Generac website: www.generac-portables.com This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.

  • Page 2: Equipment Description

    • The generator’s revolving field is driven at about and damage to the generator due to a backfeed 3,600 rpm by a Generac Power Systems 7.8 h.p. engine. of electrical energy. Whenever unit is providing backup power, the electric utility must be notified.

  • Page 3: Grounding The Generator

    Generac Portable Products 4,000XL Generator • The generator produces a very powerful voltage that can • Never operate the generator: cause serious injury or death by electrocution. Never in rain; in any enclosed compartment; when connected touch bare wires or receptacles. Never permit a child electrical devices overheat;...

  • Page 4: Know Your Generator

    Generac Portable Products 4,000XL Generator KNOW YOUR GENERATOR Read this owner’s manual and safety rules before operating your generator. Compare the illustrations with your generator to familiarize yourself with the locations of various controls and adjustments. Save this manual for future reference.

  • Page 5: Add Gasoline

    Generac Portable Products 4,000XL Generator CONTENTS Add Gasoline DANGER! Explosion Hazard! Never fill fuel tank Check all contents. If any parts are missing or damaged, call the generator helpline at 1-800-270-1408. Review “Cold indoors. Never fill fuel tank when engine is running Weather Operation”...

  • Page 6: Connecting Electrical Loads

    Generac Portable Products 4,000XL Generator OPERATING THE Grasp the recoil handle and pull slowly until slight resistance is felt. Then pull rapidly one time only to GENERATOR start engine. • If engine starts, proceed to step 7. CAUTION! Never start or stop the engine with •...

  • Page 7: Operating Automatic Idle Control

    Generac Portable Products 4,000XL Generator Operating Automatic Idle Control To recharge 12 Volt batteries, proceed as follows: • Check fluid level in all battery cells. If necessary, add This switch is designed to greatly improve fuel economy. ONLY distilled water to cover separators in battery When this switch is turned ON, the engine will only cells.

  • Page 8: Receptacles

    Under certain weather conditions (temperatures below • Face exposed end away from wind and elements. 40°F [4°C] and a high dew point), your Generac generator may experience icing of the carburetor and/or the • Enclosure should hold enough heat created by the crankcase breather system.

  • Page 9: Volt Dc, 10 Amp Receptacle

    Generac Portable Products 4,000XL Generator 120/240 Volt AC, 20 Amp Locking 120 Volt AC, 30 Amp Locking Receptacle Receptacle Use a NEMA L14-20 plug with this receptacle. Connect a Use a NEMA L5-30 plug with this receptacle. Connect a 4-wire cord set rated for 250 Volts at 20 Amps (or greater) 3-wire cord set rated for 125 Volts AC at 30 Amps to the (Figure 9).

  • Page 10: Don't Overload The Generator

    Generac Portable Products 4,000XL Generator DON’T OVERLOAD THE • If the appliance, tool or motor does not give wattage, multiply 120 Volts times ampere rating to determine GENERATOR watts (volts x amps = watts). • Some electric motors, such as induction types, require...

  • Page 11: Specifications

    Generac Portable Products 4,000XL Generator SPECIFICATIONS To Clean the Generator • Use a damp cloth to wipe exterior surfaces clean. Maximum Surge Watts ....5,000 Watts Continuous Wattage Capacity .

  • Page 12: Troubleshooting

    Generac Portable Products 4,000XL Generator TROUBLESHOOTING Problem Cause Solution Circuit breaker is open. Reset circuit breaker. Engine is running, but Poor connection or defective cord set. Check and repair. no AC output is Connected device is bad. Connect another device that is in good available.
  • Page 13 Generac Portable Products 4,000XL Generator NOTES...

  • Page 14: Electrical Schematic

    Generac Portable Products 4,000XL Generator ELECTRICAL SCHEMATIC...

  • Page 15: Wiring Diagram

    Generac Portable Products 4,000XL Generator WIRING DIAGRAM...

  • Page 16: Exploded View - Main Unit

    Generac Portable Products 4,000XL Generator EXPLODED VIEW – MAIN UNIT...
  • Page 17 Generac Portable Products 4,000XL Generator PARTS LIST – MAIN UNIT Item Part # Qty Description Item Part # Qty Description A93199 CRADLE, XL 78831B HHMS, M6 1.0 x 60 A84021 SUPPORT, Engine 80270 VALVE, Tank ENGINE 78299 BUSHING, Plastic Tank...
  • Page 18 Generac Portable Products 4,000XL Generator EXPLODED VIEW AND PARTS LIST – CONTROL PANEL Item Part # Qty. Description Item Part # Qty. Description 83976 PANEL, Control 84028 TRANSFORMER, Idle Control 83975 BOX, Control 67022 GROMMET, Rubber 66818 OUTLET, 120 Volts AC...
  • Page 19 Generac Portable Products 4,000XL Generator NOTES...

  • Page 20: Limited Warranty

    FOR "GN" ENGINE DRIVEN PORTABLE GENERATORS GENERAC PORTABLE PRODUCTS (hereafter referred to as the COMPANY) warrants to the original purchaser that the alternator and control panel for its portable generator will be free from defects in materials or workmanship for the items and period set forth below from the date of original purchase.

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