Generac Power Systems 004992-0, 004992-1, 37kW NG, 40kW LP, 004992-1, 004992-0 owner manual Level

Page 23

Section 4 — Maintenance

Guardian 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)

1. Disable the unit from operating per the first page warning.

2.Check the engine oil level. Adjust as necessary.

3.Check the engine coolant level. Adjust as necessary.

4.Check the engine coolant

thermal protection level. Correct as necessary.

5.Check the natural gas delivery system on gas

engine driven units. Tighten connections as necessary.

6. Check the air inlets and outlets for debris. Clean as necessary.

7. Check the battery electrolyte level if accessible. Adjust as necessary.

8.Check the battery posts, cables, and charger for loose connections,

corrosion, and proper operation. Correct as necessary.

9.Check the unit wiring for loose connections,

corrosion, and damage. Correct as necessary.

10.Check the engine accessory drive belts for

wear, weather cracking, and damage. Replace as necessary.

11.Visually inspect the unit looking for leaks, wear or damage, loose connections or components, and corrosion. Correct as necessary.

12.Test the engine and transfer switch safety

devices. Correct and/or adjust as necessary.

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Contents Liquid-cooled, Prepackaged Standby Generators ‹ Read this Manual Thoroughly ‹ Operation and Maintenance‹ HOW to Obtain Service IntroductionTable 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 Emergency Circuit Isolation MethodTotal Circuit Isolation Method ‹ 2.9.2 GTS-TYPE ATS Transfer Switch Signal ConnectionsBattery Installation ‹ 2.9.1 PRE-PACKAGED ATSPreparation Before START-UP Control Console Components Using AN Engineered GTS Transfer Switch‹ 3.2.1 AUTO/OFF/MANUAL Switch ‹ 3.2.2 Fault Indicator Leds‹ 3.2.6 System Ready LED Engine Governor Adjustments‹ 3.2.5 SET Exercise Time Switch Manual Transfer START-UPWeekly Exercise Cycle Automatic OperationCooling System Overload Protection for Engine DC Electrical SystemChecking Fluid Levels ‹ 4.5.1 Check Engine OIL Level ‹ 4.5.2 Check Battery‹ 4.5.8 Check FAN Belt ‹ 4.5.9 Inspect Engine Governor‹ 4.5.13 Coolant Change Miscellaneous Maintenance‹ 4.6.1 Cleaning the Generator ‹ 4.5.11 Changing the Engine AIR Cleaner‹ 4.6.4 Battery Replacement ‹ 4.6.3 Battery MaintenanceService Maintenance Interval Information Scheduled MaintenanceLevel Maintenance Level Problem Cause Correction Troubleshooting PointsElectrical 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 Front Assy GRD Wire 99HSBAssembly BASE-DOOR Ground Wire Intake Duct HSBGenerac Power Systems, Inc Cover TOP Panel HSB Assy 2A 12V UL BatteryControl BOX HSB Cover Front Panel HSBGenerac Power Systems, Inc MACHINING, 3.9L Engine 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 ChryslerExhaust Flange 2 Pipe NUT TOP Lock FL M12-1.75OUT WYE, Pipe 3.9L ChryslerInstallation Diagram Guardian 40kW Liquid-cooled Generators Guardian 40kW Liquid-cooled Generators This Warranty Shall not Apply to the Following