Table of Contents

PRIMEPACT 66G and 66LP Recreational Vehicle Generators

Part I — Operating Instructions

 

Introduction

..................................................Inside Front Cover

Read This Manual Thoroughly

IFC

Contents

 

IFC

Operation and Maintenance

IFC

How to Obtain Service

IFC

Authorized Service Dealer Locator Number

IFC

Safety Rules

..................................................................................

2

Section 1 – General Information

4

1.1

Generator Identification

4

1.2

Generator Applicability

5

1.3

Installation

5

1.4

Safety

 

............................................................................

5

1.5

Generator AC Connection System

5

1.6

Specifications

6

 

1.6.1

Fuel Requirements & Consumption

6

 

1.6.2

Engine Oil Requirements

6

 

1.6.3

Generator Specifications

6

 

1.6.4

Engine Specifications

7

 

1.6.5

Emissions Compliance Period

7

Section 2 – Operation

7

2.1

Generator Control Panel

7

 

2.1.1

Fuel Primer

7

 

2.1.2

Start/Stop Switch

7

 

2.1.3

15 Amp Fuse

7

 

2.1.4

Line Breakers

7

2.2

Optional Remote Start/Stop Panel

8

2.3

Automatic Choke

8

 

2.3.1

Choke Solenoid

8

 

2.3.2

Prechoke

8

2.4

Before Starting the Engine

8

 

2.4.1

Installation

8

 

2.4.2

Engine Lubrication

8

 

2.4.3

Fuel Supply

8

 

2.4.4

Cooling and Ventilating Air

8

 

2.4.5

Engine Exhaust Gas

9

2.5

Starting the Generator

9

2.6

Stopping the Generator

9

2.7

Applying Loads to Generator

9

 

2.7.1

Letting the Engine Stabilize

9

 

2.7.2

Do Not Overload the Generator

10

2.8

Protection Systems

10

 

2.8.1

Low Oil Pressure Switch

10

 

2.8.2

High Temperature Switch

10

 

2.8.3

Field Boost

10

 

2.8.4

Overvoltage Protection

11

 

2.8.5

25-Hour Break-in Period

11

 

2.8.6

25-Hour Checkup

11

 

2.8.7

Operation in High Grass or Brush

11

Section 3 – Maintenance

11

3.1

Checking the Engine Oil Level

11

3.2

Changing the Engine Oil and/or Oil Filter

12

3.3

Maintaining the Engine Air Cleaner

12

 

3.3.1

Cleaning the Foam Precleaner

12

3.4

Clean Air Intake Screen

13

3.5

Checking the Engine Spark Plug

13

3.6

Fuel Filter (Gasoline Only)

13

3.7

Spark Arrestor Muffler

13

3.8

Cleaning the Generator

14

3.9

Battery Maintenance

14

 

3.9.1

Weekly

14

 

3.9.2

Every Six Months

14

3.10

Major Service Manual

15

3.11

Drive Belt

15

3.12

Exercising the Generator

15

3.13

Out of Service Procedure

15

 

3.13.1

Removal From Service

15

 

3.13.2

Return to Service

15

3.14

Wattage Reference Guide

15

Part II — Installation Instructions

17

Safety Rules

18-19

Section 5 — General Information

20

5.1

Purpose and Scope of the Manual

20

5.2

Safety

..........................................................................

20

5.3

Standard Booklets

20

5.4

Equipment Description

20

5.5

Generator Engine Operating Speed

20

5.6

Generator AC Connection System

20

 

Major Dimensions and Features

21

Section 6 — Installation

22

6.1

Location and Support

22

 

6.1.1

Generator Location

22

 

6.1.2

Generator Supports

22

 

6.1.3

Suspended Mounting

22

 

6.1.4

Generator Restraint

23

6.2

Generator Compartments

23

 

6.2.1

Compartment Size

23

 

6.2.2

Compartment Construction

23

 

6.2.3

Sound Insulating Materials

24

 

6.2.4

Acoustics

24

 

6.2.5

Compartment Floor Cutouts

25

6.3

Cooling and Ventilation

26

 

6.3.1

Generator Airflow

26

 

6.3.2

Cooling Air Inlet Openings

26

 

6.3.3

Compensating for Restrictions

27

 

6.3.4

Testing the Installation

27

6.4

Gasoline Fuel System

27

 

6.4.1

Fuel Tank

28

 

6.4.2

Generator Fuel Supply Line

28

 

6.4.2.1

Rigid Fuel Lines

28

 

6.4.2.2

Flexible Fuel Lines

28

6.5

LP Gas Fuel System

28

 

6.5.1

Parts not included in Fuel System

28

 

6.5.2

Some Important Considerations

29

 

6.5.3

Vapor Withdrawal

29

 

6.5.4

Primary Regulator

29

 

6.5.5

Gaseous Carburetion

29

 

6.5.6

Fuel Supply Lines

30

 

6.5.7

Excess Flow Valve

30

 

6.5.8

Leakage Tests

30

6.6

Exhaust Systems

30

 

6.6.1

Mufflers and Spark Arrestors

31

 

6.6.2

Type of Exhaust System

31

 

6.6.3

Exhaust System Safety

31

6.7

Electrical Connections

31

 

6.7.1

Electrical Junction Box

31

 

6.7.2

Wiring

32

 

6.7.3

Generator AC Connections

32

 

6.7.4

Conduit

32

 

6.7.5

Isolating Different Power Sources

32

 

6.7.6

Power Supply Cord

33

 

6.7.7

Ground Fault Circuit Interrupters

33

6.8

Battery Installation

34

 

6.8.1

Recommended Battery

34

 

6.8.2

Battery Cables

34

 

6.8.3

Battery Cable Connections

34

 

6.8.4

Battery Compartment

34

6.9

Optional Accessories

34

 

6.9.1

Remote Panel Models

35

Section 7 — Post Installation

35

7.1

Post Installation Tests

35

7.2

Before Initial Start-up

35

7.3

Initial Start

35

7.4

Testing Under Load

35

7.5

Installation Checklist

36

Section 8 – Troubleshooting

37

8.1

Troubleshooting Guide

37

Section 9 – Electrical Data

38

Section 10 – Exploded Views and Parts Lists

40

Section 11 – Notes

53

Section 12 – Warranty

56

Section 4 – Notes

16

Generac® Power Systems, Inc. 1

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Generac Power Systems 009600-5, 009734-5 owner manual Table of Contents