Table of Contents

TEST 9 -

 

Check Brush Leads

43

TEST 10 -

 

Check Brushes & Slip Rings

43

TEST 11 -

 

Check Rotor Assembly

44

TEST 12 -

 

Check Main Circuit Breaker

44

TEST 13 -

 

Check Load Voltage & Frequency

45

TEST 14 -

 

Check Load Watts & Amperage

45

TEST 15 -

 

Check Battery Charge Output

45

TEST 16 -

 

Check Battery Charge Rectifier

45

TEST 17 -

 

Check Battery Charge Windings/

 

Battery Charge Resistor

46

TEST 18 -

 

Try Cranking the Engine

47

TEST 19 -

 

Test Primer Switch

47

TEST 20 -

 

Check Fuel Pump

48

TEST 21 -

 

Check 7.5 Amp Fuse

49

TEST 22 -

 

Check Battery & Cables

49

TEST 23 -

 

Check Power Supply to Circuit Board

49

TEST 24 -

 

Check Start-Stop Switch

50

TEST 25 -

 

Check Power Supply to Wire 56

51

TEST 26 -

 

Check Starter Contactor Relay

51

TEST 26A -

 

Check Starter Contactor

52

TEST 27 -

 

Check Starter Motor

52

TEST 28 -

 

Check Fuel Supply

54

TEST 29 -

 

Check Wire 14 Power Supply

56

TEST 30 -

 

Check Wire 18

56

TEST 31 -

 

Check Fuel Solenoid

 

(Gasoline Models)

57

TEST 32 -

 

Check Ignition Spark

57

TEST 33 -

 

Check Spark Plugs

59

TEST 34 -

 

Check and Adjust Ignition Magnetos

59

TEST 35 -

 

Check Valve Adjustment

61

TEST 36 -

 

Check Carburetion

62

TEST 37 -

 

Check Choke Solenoid

62

TEST 38 -

 

Check Engine / Cylinder Leak Down Test /

 

Compression Test

64

TEST 39 -

 

Check Oil Pressure Switch

65

TEST 40 -

 

Test Oil Temperature Switch

65

TEST 41 -

 

Test Choke Heater

66

TEST 42 -

 

Check LPG Fuel Solenoid

66

SECTION 8:

 

ASSEMBLY

68-70

MAJOR DISASSEMBLY

68

Enclosure/Panel Removal

68

Stator Removal

68

Rotor Removal

68

Belt Tensioning

69

Engine Removal

69

Startor Removal

69

Flywheel/Magneto Removal

70

SECTION 9:

 

EXPLODED VIEWS / PART NUMBERS

72-83

BASE & PULLEY DRAWING

72

ENCLOSURE DRAWING

74

SHEET METAL DRAWING

76

CONTROL PANEL DRAWING

78

760 V-TWIN ENGINE DRAWING

80

LP REGULATOR DRAWING

82

SECTION 10:

 

SPECIFICATIONS & CHARTS

84-86

MAJOR FEATURES AND DIMENSIONS

84

GENERATOR SPECIFICATIONS

85

NOMINAL RESISTANCES OF

 

GENERATOR WINDINGS AT 68°F

85

ENGINE SPEEDS AND

 

VOLTAGE SPECIFICATIONS

86

TORQUE SPECIFICATIONS

86

SECTION 11:

 

ELECTRICAL DATA

88-89

ELECTRICAL SCHEMATIC AND

 

WIRING DIAGRAM

88

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Generac Power Systems 75, 55, 65 manual Section Exploded Views / Part Numbers, Section Specifications & Charts

65, 75, 55 specifications

Generac Power Systems has established itself as a leader in power generation, offering a range of high-performance generators suited for residential and commercial applications. Among its lineup, the Generac 55, 65, and 75 kW generators stand out for their reliability, efficiency, and advanced features.

The Generac 55 kW generator is designed to provide a powerful backup solution for medium to large homes or small businesses. It features a robust engine that delivers dependable performance while maintaining fuel efficiency. One of its key characteristics is the True Power Technology, which produces clean and stable power, ensuring that sensitive electronic devices run smoothly without risk of damage. This generator is equipped with a fully automatic transfer switch, allowing for seamless power transition during outages, with minimal disruption.

Moving to the 65 kW model, it offers increased capacity while retaining the fundamental qualities of the 55 kW version. This unit is particularly suited for larger homes or commercial applications that require greater power demands. The 65 kW generator utilizes Generac’s G-Force engine, known for its durability and reduced maintenance needs. Advanced features such as remote monitoring capabilities allow users to check the generator's status from anywhere, providing peace of mind and convenience.

The 75 kW generator takes performance to the next level, making it ideal for even more significant power needs. It is engineered for both quiet operation and enhanced performance, accommodating a wide range of requirements from residential to larger commercial operations. The 75 kW model includes a full-load voltage regulation system that maintains stable power output under varying loads, safeguarding appliances and equipment.

All three models incorporate advanced air-cooled technology, which enhances their efficiency and operational lifespan. Additionally, their corrosion-resistant enclosures ensure durability even in harsh weather conditions, making them suitable for diverse environments. The intuitive LCD display on each unit provides critical information, including runtime hours and maintenance reminders, empowering users with easy access to the generator's performance data.

Overall, Generac Power Systems' 55, 65, and 75 kW generators represent a commitment to quality, reliability, and innovation in backup power solutions. They are designed to meet the demands of modern power consumption while ensuring peace of mind through robust engineering and advanced technology. Whether for home use or commercial applications, these generators provide an effective means to stay prepared for unexpected power outages.