Generac 86640 manuals

Generac 86640 User Manual (120 pages)

Brand: Generac | Category: Generators | Size: 1.61 MB |

English

Table of contents

RECREATIONAL

1

VEHICLE AND

1

INDUSTRIAL MOBILE

1

AC GENERATORS

1

Foreword

2

Magnetic Induction

5

A Simple AC Generator

5

A Typical AC Generator

6

Rotor Residual Magnetism

7

Field Boost

7

D AC Voltage Regulator

8

GENERAL:

9

DUAL WINDING. 1-PHASE SYSTEM:

9

Page 1.1-5

9

Page 1.1-6

10

Introduction

11

Generator Disassembly

11

Page 1.2-2

12

2^+1b 1.24 Megohms

14

Page 1.3-2

15

Tools and Equipment

16

Rotor Rotational Speed

16

Visuai inspection

17

Constant Excitation Test

17

Measuring Current

18

Measuring Resistance

18

Effects of Engine Power

18

Page 1.5-1

19

Page 1.5-2

20

CXCrTATtON

24

^ ^ WINDINO

24

TO EXCrTATION

24

ClftClHT BBBAKER

24

Test 16- Check Sensing Leads

25

PROCEDURE:

26

Page 1.6-6

26

© (2) (?) (6)

28

Page 2.1-2

29

Section 2.2- TIMING BELT

30

Timing Belt Installation

31

Section 2.3- CYLINDER HEAD

33

Valve Guide Clearance

34

Valve Guide Replacement

34

Valve Inserts

35

Camshaft Bearing Clearance

35

Valve Dimensions

36

Cylinder Head Assembly

36

Installation

37

Installation (Continued)

38

Oil Pump Removal

39

Inspection

39

Page 2.5-1

40

Section 2.6- ENGINE OVERHAUL

41

Inspection (Continued)

42

Page 2.6-3

43

Page 2.6-5

45

Assembly (Continued)

46

0<i ••»•nr evi'i

48

■ Bt-mu MM«»

48

Oil Pressure Check

49

Section 3.2- ENGINE OIL PUMP

50

Page 3.2-2

51

FABLE OF CONTENTS

52

Recommended Coolant

53

Water Pump

54

Thermostat

54

Types of Cooling Fans

55

Air Flotw- Pusher Fan Units

55

Air Flow- Suction Fan Units

55

Installation Manual

55

Compartment Fan

56

A Remote Radiator Assembly

56

Page 4.4-2

57

Operation

58

Customer Remote Heater

58

Page 4.5-2

59

D Corrosion of metal parts

61

Section 5.2- FUEL PUMP

62

Section 5.3- CARBURETOR

63

Page 5.3-2

64

Vapor Withdrawal System

66

Liquid Withdrawai System

66

Gas Carburation

67

LP Gas Conversion Kit

67

D Air Cleaner Assembly

68

Page 6.2-3

70

CH Pressure Reducer Valve

71

D Carburetor Assembly

71

Pressure Reducer Valve

72

Carburetor Assembly

72

General Description

74

Governor Maintenance

74

Governor Lubrication

74

Engine Governor Adjustment

74

Page 7.1-3

76

Governor Actuator Relay

77

Governor Actuator Adjustment

77

Electronic Governor Setup

77

Magnetic Pickup

78

_________

80

Page 8.1-2

81

Ignition Coil

82

Checking the Condenser

82

Contact Set

82

Check Governor Advance

82

Spark Plugs (Continued)

83

Ignition Timing

83

Checking Ignition Wires

83

Components

85

DC Alternator

85

DC Voltage Regulator

85

DC Alternator Description

86

DC Alternator Adjustments

86

Testing (Continued)

87

D Start-Stop switch

88

Page 9.3-2

89

Page 9.3-3

90

Battery (Continued)

91

Engine Control Circuit Board

92

Overspeed Shutdown Adjustment

93

Page 9.5-1

94

Page 9.5-2

95

Page 9.5-3

96

Page 9.5-4

97

Page 9.5-5

98

Page 9.5-6

99

TABLE OF CONTENTS

100

GENERATOR

101

102

Instailation

103

Panel Mounting

103

Description

103

POWER WINDING

105

CYLINDER HEAD FLATNESS:

106

Page 11-2

106

20 10.79)

107

I I I I

110

0 17 14 18

111

WIRING DIAGRAM (82134)

112

WIRING DIAGRAM (82661)

113

Page 11-10

114

WIRING DIAGRAM (82123)

115

Page 11-12

116

WIRING DIAGRAM (82660)

117

Page 11-14

118

Page 11-15

119

Page 11-16

120

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