Generac 04673-2 Introduction Inside Front Cover, General Information, Operation, Maintenance

Page 3

Table of Contents

Air-cooled 7 kW, 12 kW and 15 kW Generators

Introduction

Inside Front Cover

Read This Manual Thoroughly

IFC

Contents

IFC

Operation and Maintenance

IFC

How to Obtain Service

IFC

Authorized Dealer Locator Number

IFC

Safety Rules

2

Standards Index

3

Section 1 – General Information

4

1.1

Unpacking/Inspection

4

1.2

Protection Systems

4

1.3

System Set LED

4

1.4

Your Generator

5

1.5

Specifications

6

 

1.5.1

Generator

6

 

1.5.2

Engine

6

1.6

Fuel Requirements and Recommendations ...

7

1.7

Fuel Consumption

7

1.8

Reconfiguring the Fuel System

7

 

1.8.1

7 kW, 410CC

7

 

1.8.2 12 kW and 15 kW, 990cc Engines

7

1.9

Location

8

 

1.9.1

Generator

8

 

1.9.2

Transfer Switch

8

1.10

Battery Installation

9

1.11

The Battery

9

Section 2 – Post Installation Start-up

 

 

 

and Adjustments

10

2.1

Before Initial Start-up

10

2.2

Check Transfer Switch Operation

10

2.3

Electrical Checks

10

2.4

Generator Tests Under Load

11

2.5

Checking Automatic Operation

11

2.6Adjusting the Regulator (Natural Gas Only).. 12

2.7

Engine Governor Adjustment

12

 

2.7.1

7 kW Units

12

 

2.7.2 12 kW and 15 kW Units

13

 

2.7.3

Additional Corrosion Protection

13

2.8

Voltage Regulator Adjustment

13

Section 3 – Operation

14

3.1

Break-in Procedure

14

3.2

Using the Auto/Off/Manual Switch

14

 

3.2.1 “Auto” Position

14

 

3.2.2

“Off” Position

14

 

3.2.3

“Manual” Position

14

3.3

Automatic Transfer Operation

14

3.4

Sequence of Automatic Operation

14

3.5

Manual Transfer Operation

15

 

3.5.1

Transfer to Generator

 

 

 

Power Source

15

 

3.5.2 Transfer Back to Utility

 

 

 

Power Source

15

3.6

Setting the Exercise Timer

16

3.7

Protection Systems

16

 

3.7.1 Low Oil Pressure Switch

16

 

3.7.2

High Temperature Switch

16

 

3.7.3

Overcrank

16

 

3.7.4

Overspeed

17

Section 4 – Maintenance

17

4.1

Fuse

17

4.2

Checking the Engine Oil Level

17

4.3

Changing the Engine Oil

17

 

4.3.1

Engine Oil Recommendations

17

 

4.3.2

Oil Change Procedure

18

4.4

Changing the Oil Filter

18

4.5

Changing the Engine Air Cleaner

18

 

4.5.1 7 kW, 12 kW and 15 kW

 

 

 

Generators

18

4.6

Spark Plug(s)

19

4.7

Battery Maintenance

19

4.8

Adjusting Valve Clearance

20

4.9

Cooling System

20

4.10

Attention After Submersion

21

4.11

Corrosion Protection

21

4.12

Out of Service Procedure

21

 

4.12.1 Removal From Service

21

 

4.12.2 Return to Service

21

4.13

Service Schedule

22

Section 5 – Troubleshooting

23

5.1 Troubleshooting Guide

23

Section 6

– Electrical Data

24

Section 7

– Exploded Views and

 

 

Parts Lists

32

Section 8

– Mounting Dimensions

50

Section 9

– Notes

51

Section 10 – Warranty

52

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Contents Installation Authorized Dealer Location IntroductionIntroduction Inside Front Cover Post Installation Start-up AdjustmentsMaintenance TroubleshootingGeneral Hazards ‹ Standards Index Fire HazardsUNPACKING/INSPECTION Protection SystemsSystem SET LED Gfci GeneratorSpecifications ‹ 1.5.1 Generator‹ 1.5.2 Engine ‹ 1.8.1 7 KW, 410CC Reconfiguring the Fuel SystemFuel Requirements Recommendations Fuel Consumption2.1 7 kW, 12 kW and 15 kW Units ‹ 1.9.2 Transfer SwitchLocation ‹ 1.9.1 GeneratorBattery Battery InstallationCheck Transfer Switch Operation Before Initial START-UPElectrical Checks Checking Automatic Operation Generator Tests Under LoadAdjusting the Regulator Natural GAS only Engine Governor Adjustment‹ 2.7.1 7 KW Units ‹ 2.7.2 12 KW and 15 KW Units Voltage Regulator Adjustment‹ 3.2.1 Auto Position BREAK-IN ProcedureAutomatic Transfer Operation Sequence of Automatic OperationManual Transfer Operation ‹ 3.5.2 Transfer Back to Utility Power Source‹ 3.7.3 Overcrank Setting the Exercise Timer‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.2 High Temperature SwitchChecking the Engine OIL Level Approximate Crank Cycle Times‹ 3.7.4 Overspeed ‹ 4.3.1 Engine OIL Recommendations ‹ 4.3.2 OIL Change ProcedureChanging the Engine OIL Changing the OIL FilterSpark Plugs Battery MaintenanceCooling System Adjusting Valve ClearanceCorrosion Protection OUT of Service Procedure‹ 4.12.1 Removal from Service ‹ 4.12.2 Return to ServiceSYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Customer Battery Utility Battery Charger Utility Connection BCR RED Exploded Views and Parts Lists Part NO. QTY Description Exploded Views and Parts Lists Part NO. QTY. Description 16B Sleeve 122 124 125 138 139 136135 KNOB, AIR Cleaner 45 30 1016 1519 QTY Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome 7KW CASTING, Twin Regulator Housing Mounting Dimensions Air-cooled 7 kW, 12 kW and 15 kW Generators Your Warranty Rights and Obligations MANUFACTURER’S Emission Control System Warranty CoveragePURCHASER’S/OWNER’S Warranty Responsibilities Emission Related Parts Include the Following Emission Control System WarrantyWarranty Schedule Errata Sheet PRE Packaged Units only ASSEMBLY, Enclosure Base
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04674-2, 04675-3, 04673-2 specifications

Generac, a prominent name in the power equipment sector, offers a range of reliable and efficient energy solutions, including the models Generac 04673-2, 04675-3, and 04674-2. These models are designed to meet diverse consumer needs, from residential applications to larger commercial setups, providing dependable backup power during outages.

The Generac 04673-2 is a standout home standby generator specifically engineered for residential use. It boasts an automatic operation feature, ensuring that power is restored within seconds of an outage. This model operates on a robust Generac engine, delivering a reliable power output that can support essential household appliances and systems, including HVAC units, refrigerators, and sump pumps. One of the main characteristics of this generator is its Quiet Test mode, which runs at a lower RPM to minimize noise while conducting weekly self-tests, ensuring that the system is always ready when needed.

Moving on to the Generac 04675-3, this model offers enhanced features tailored for users needing higher power output. With a larger capacity, it can handle more demanding power needs, making it suitable for larger homes or small businesses. The 04675-3 is equipped with advanced technologies, including the Mobile Link™ remote monitoring system, which enables users to check the status and performance of their generator from anywhere using a smartphone or computer. This connectivity empowers users with real-time information and alerts regarding their generator's operational performance.

The Generac 04674-2 model rounds out the trio, engineered for those who need a powerful standby generator with a slightly different configuration. It features the same robust engine as the other models, ensuring reliability and user-friendly operation. Its standout feature is the integrated transfer switch capability, which allows for seamless transfer of power from the grid to the generator without manual intervention. This model also supports various fuel types, providing flexibility depending on user preference and availability.

All three Generac models focus on safety and efficiency, incorporating features such as excellent ventilation systems, all-weather enclosures, and user-friendly control panels. They are designed for low maintenance, ensuring long-lasting performance without extensive upkeep. With Generac's commitment to innovation and quality, these generators offer peace of mind, enabling users to maintain their lifestyles and operations without interruption during power outages. Whether for home or business use, the Generac 04673-2, 04675-3, and 04674-2 models represent a reliable choice in emergency power solutions.
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