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Generac Power Systems MC4000 Owner's Manual

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MC4000
Portable Generator Owner's Manual
Model No. 9802-1 (4,000 Watt AC Generator) Manual No. 99060 Revision 3 (5/17/2001)
Web: www.generac-portables.com or www.briggsandstratton.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 MC4000

  • Page 1 Portable Generator Owner’s Manual Model No. 9802-1 (4,000 Watt AC Generator) Manual No. 99060 Revision 3 (5/17/2001) Web: www.generac-portables.com or www.briggsandstratton.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 MC4000 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 MC4000 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: Before Starting Engine

    Generac Portable Products MC4000 Generator CONTENTS Add Gasoline WARNING! Explosion Hazard! Never fill fuel Check all contents. If any parts are missing or damaged, call the generator helpline at 1-800-270-1408. Review “Cold tank indoors. Never fill fuel tank when engine is Weather Operation”...

  • Page 6: Connecting Electrical Loads

    Generac Portable Products MC4000 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

    Under certain weather conditions (temperatures below use the unit to charge any 6 Volt batteries. Do Not use 40°F [4°C] and a high dew point), your Generac generator the unit to crank an engine having a discharged battery. may experience icing of the carburetor and/or the crankcase breather system.
  • Page 8 Generac Portable Products MC4000 Generator • Make sure entire muffler-side of generator is exposed Use each receptacle to operate 120 Volt AC, single-phase, (Figure 7). 60 Hz electrical loads requiring up to 2,400 watts (2.4 kW) at 20 Amps of current. Use cord sets that are rated for Figure 7 —...

  • Page 9: Ground Fault Protection

    Generac Portable Products MC4000 Generator 120 Volt AC, 30 Amp Locking GROUND FAULT Receptacle PROTECTION Use a NEMA L5-30 plug with this receptacle. Connect a 3-wire cord set rated for 125 Volts AC at 30 Amps to the This unit is equipped with a Ground Fault Circuit plug (Figure 10).

  • Page 10: Don't Overload The Generator

    Generac Portable Products MC4000 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 MC4000 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 MC4000 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 MC4000 Generator NOTES...

  • Page 14: Electrical Schematic

    Generac Portable Products MC4000 Generator ELECTRICAL SCHEMATIC...

  • Page 15: Wiring Diagram

    Generac Portable Products MC4000 Generator WIRING DIAGRAM...

  • Page 16: Exploded View - Main Unit

    Generac Portable Products MC4000 Generator EXPLODED VIEW – MAIN UNIT...
  • Page 17 Generac Portable Products MC4000 Generator PARTS LIST – MAIN UNIT Item Part # Qty Description Item Part # Qty Description 93199 CRADLE, XL 86494 SCREW, M6 -1.0 x 16 Wing 84021 SUPPORT, Engine 86292 HHCS, 10 - 16 x Self Driller...
  • Page 18 Generac Portable Products MC4000 Generator EXPLODED VIEW AND PARTS LIST – CONTROL PANEL Item Part # Qty. Description Item Part # Qty. Description 92811 PANEL, Control 82881 WASHER, Internal Lock 75475 SCREW, .7 X 10mm 75207A CIRCUIT BREAKER, 30 Amp...
  • Page 19 Generac Portable Products MC4000 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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