Generac 37kW NG, 40kW LP owner manual Maintenance Level

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Section 4 — Maintenance

QUIETSOURCE™ 40kW Liquid-cooled Generators

Maintenance

Level 1

 

Level 2

 

Level 3

 

Level 4

 

Tasks

Recom-

Task

Required

Task

Required

Task

 

Task

 

mended

Comp.

to be done

Comp.

to be done

Comp.

Required

Comp.

 

to be done

(Date-

3 months/

(Date-

Semi-

(Date-

to be done

(Date-

 

monthly

Initials)

Break-in

Initials)

annually

Initials)

Annually

Initials)

13.Initiate an automatic start and transfer of the unit to site load and exercise it for at least 1 hour looking for

leaks, loose connections or components, and abnormal operating conditions. Correct as necessary.

14.Start and exercise the unit at full rated load (use a

load bank if the site load is not enough) for at least 2 hours looking for leaks, loose connections or components, and abnormal operating conditions. Correct as necessary.

15. Change the engine oil.

16.Replace the engine oil filter(s).

17.Replace the engine air filter(s).

18.Replace the engine fuel filter(s) on diesel engine driven units and re-prime the fuel system.

19.Check the engine spark plugs on gas engine driven units. Clean and re-gap or replace as necessary.

20.Perform a 5 minute no-load operational run of the unit looking for any post service problems.

21.Return the unit to standby

setup for operation when required.

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Contents Liquid-cooled, Prepackaged Standby Generators Introduction Authorized Service Dealer Location‹ Operation and Maintenance ‹ HOW to Obtain ServiceTable of Contents General Hazards Electrical Hazards Generator AC Connection Systems Transfer SwitchGenerator Automatic System OperationGenerator Fuel System ‹ 1.7.1 LOW OIL Pressure Switch‹ 1.7.2 High Coolant Temperature Switch ‹ 1.7.3 LOW Coolant Level SwitchLifting the Generator Unpacking‹ 1.10.2 Engine Specifications SpecificationsReconfiguring the Fuel System ‹ 1.10.1 Generator SpecificationsCoolant Recommendations Torque SpecificationsBefore Installation Engine OIL Recommendations‹ 2.1.1 Nfpa Standards Generator LocationGenerator Mounting Support Basic Standby Electric SystemGenerator AC Neutral Connections Transfer Switch Signal ConnectionsEmergency Circuit Isolation Method Total Circuit Isolation Method‹ 2.10.1 Vented Batteries Battery Installation‹ 2.9.2 GTS-TYPE Engineered Transfer Switch Preparation Before START-UP Using AN Engineered GTS Transfer SwitchControl Console Components ‹ 3.2.1 AUTO/OFF/MANUAL Switch‹ 3.2.2 Fault Indicator LED ‹ 3.2.5 SET Exercise Time SwitchWeekly Exercise Cycle Manual Transfer START-UP Engine Governor AdjustmentsRetransfer and Shutdown Automatic OperationOverload Protection for Engine DC Electrical System Cooling SystemChecking Fluid Levels ‹ 4.5.13 Coolant Change ‹ 4.5.11 Changing the Engine AIR Cleaner‹ 4.5.10 Changing Engine OIL ‹ 4.5.12 Spark Plugs‹ 4.6.4 Battery Replacement Miscellaneous Maintenance‹ 4.6.1 Cleaning the Generator ‹ 4.6.2 BatteryService Maintenance Interval Information Scheduled MaintenanceLevel Maintenance Level Problem Cause Correction Troubleshooting PointsInstallation Diagram Electrical Data Electrical Data Electrical Data Electrical Data Carrier Rear Bearing Battery Post Covwer Black Assy WireHold Down Battery Boot Battery CableSee Latch Detail Duct Discharge RH AL Assy GRD Wire 99HSBASSEMBLY,BASE-DOOR Ground Wire Duct Intake MID ALGenerac Power Systems, Inc Cover TOP Panel HSB Shock Assy 2A 12V UL BatteryControl BOX HSB Cover Front Panel HSBGenerac Power Systems, Inc Sunk Cover Flywheel AccessAssembly Resistor Flexplate 3.9L HSBPump Radiator Support L/H Side Tank Coolant RecoveryRadiator Copper Brass VENTURI,3.9L Cryslr HSB 22FANTo Engine Flange Fuel Inlet Base AIR Cleaner PlateHold Down AIR Cleaner Plate AIR Cleaner TOPLeads Rear Bearing Carrier 390/DRCT Rotor 390 30KW 1P Direct HSBRotor 390 40KW 1P Direct HSB STR-390--40AD HSB 433MM LONG3.9L ChryslerPipe L/H Exhaust Manifold OUTWYE, Pipe 3.9L Chrysler NUT TOP Lock FL M12-1.75Quietsource 40kW Liquid-cooled Generators Quietsource 40kW Liquid-cooled Generators Quietsource 40kW Liquid-cooled Generators This Warranty Shall not Apply to the Following