Generac Power Systems 004988-2 instruction

Owner’s Manual

Liquid-cooled, Prepackaged

Standby Generators

Model Number: 004988-2

This manual should remain with the unit.

ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS

SHOULD ATTEMPT INSTALLATION!!

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Generac Power Systems 004988-2 owner manual Liquid-cooled, Prepackaged Standby Generators

Contents

Liquid-cooled, Prepackaged Standby Generators ‹ Operation and Maintenance Authorized Service Dealer Location‹ HOW to Obtain Service Introduction Table of Contents General Hazards Electrical Hazards Generator Transfer SwitchAutomatic System Operation Generator AC Connection Systems ‹ 1.7.1 LOW OIL Pressure Switch ‹ 1.7.2 High Coolant Temperature Switch‹ 1.7.3 LOW Coolant Level Switch Engine Protective Devices Lifting the Generator Unpacking Reconfiguring the Fuel System Specifications‹ 1.10.1 Generator Specifications ‹ 1.10.2 Engine Specifications Before Installation Torque SpecificationsEngine OIL Recommendations Coolant Recommendations Basic Standby Electric System Generator Mounting Support‹ 2.1.2 Other Published Standards Emergency Circuit Isolation Method Transfer Switch Signal ConnectionsTotal Circuit Isolation Method Grounding the Generator Preparation Before START-UP Battery Installation‹ 2.9.2 GTS-TYPE ATS Using a Standard GTS Transfer Switch ‹ 3.2.1 AUTO/OFF/MANUAL Switch ‹ 3.2.2 Fault Indicator LED‹ 3.2.5 SET Exercise Time Switch Control Console Components Retransfer and Shutdown Manual Transfer START-UP Engine Governor AdjustmentsAutomatic Operation Weekly Exercise Cycle Overload Protection for Engine DC Electrical System Cooling System Checking Fluid Levels ‹ 4.5.10 Changing Engine OIL ‹ 4.5.11 Changing the Engine AIR Cleaner‹ 4.5.12 Spark Plugs ‹ 4.6.1 Cleaning the Generator Miscellaneous Maintenance‹ 4.6.2 Battery ‹ 4.6.3 Battery Maintenance Periodic Replacement Parts ‹ 4.6.4 Battery Replacement Service Maintenance Interval Information Scheduled Maintenance Level Maintenance Level Problem Cause Correction Troubleshooting Points Guardian Liquid-cooled 27 kW and 30 kW Generators Installation Diagram Customer Connection PCB J2 BCW LOS WLS HCT Starter Carrier Bolt Battery Post Cover Baclk Boot Battery CableBattery Post Cover RED + Hold Down Battery 32 18 Assembly BASE-DOOR Ground Wire Assy GRD Wire 99HSBIntake Duct HSB Duct Discharge RH Front Generac Power Systems, Inc Control BOX HSB Assy 2A 12V UL BatteryDecal AVR Cover Cover Front Panel HSB 61 24 Not SHOWN-USED to Hold OIL Drain Assembly Wire SET 3.0L Ford notCoil Ignition 3.0L Ford Bracket DC ALT 3.0L Ford Frame Radiator R-IN,L-OUT Tank Coolant RecoveryVenturi 3.0L Ford HSB Side Support Radiator HSB To B Flange Fuel Inlet Weldment Mounting BaseAssy Regulator 3.0L NG or LPV Washer Flat 5/16 Zinc Locktight Rotor 390 20KW 1P Direct HSB 2.5L Ford Rotor 390 15KW 1P Direct HSB 2.5L FordRotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 39030AD1 HSB Tecum Gasket Exhaust Ring MUFFLER, 3.0L FordExhaust Blanket 750MM Mufflr Strap 6IN DIA Cover AIR Cleaner Element AIR CleanerTube AIR Intake 3.0L Ford Washer Flat M5 Warranty Schedule