Table of Contents

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REPLACEMENT PARTS

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Table Of Contents

1-2

Section 1:

 

 

Generator Fundamentals

3-5

Magnetism

3

Electromagnetic Fields

3

Electromagnetic Induction

3

A Simple AC Generator

4

A More Sophisticated AC Generator

4

Section 2:

 

 

Measuring Electricity

6-8

Meters

6

The VOM

6

Measuring AC Voltage

6

Measuring DC Voltage

6

Measuring AC Frequency

6

Measuring Current

7

Measuring Resistance

7

Electrical Units

8

Ohm's Law

8

Section 3:

 

 

Description And Components

9-15

Introduction

9

Engine-Generator Drive System

9

The AC Generator

9

Rotor Assembly

9

Stator Assembly

10

Brush Holder and Brushes

10

Other AC Generator Components

10

EXCITATION CIRCUIT BREAKER

10

VOLTAGE REGULATOR

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

11

ADJUSTMENT PROCEDURE

11

Circuit Breakers

12

Rotor Residual Magnetism

12

Field Boost Circuit

12

Operation

12

STARTUP

12

ON-SPEED OPERATION

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

12

FIELD EXCITATION

12

AC POWER WINDING OUTPUT

12

BATTERY CHARGE WINDING OUTPUT

12

10 Amp BATTERY CHARGE WINDING OUTPUT

12

Insulation Resistance

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

13

The Megohmmeter

13

GENERAL

13

TESTING STATOR INSULATION

13

TESTING ROTOR INSULATION

13

HI-POT TESTER

13

Stator Insulation Resistance Test

13

GENERAL

13

TESTING ALL STATOR WINDINGS TO GROUND

14

TEST BETWEEN WINDINGS:

14

Rotor Insulation Resistance Test

15

Cleaning the Generator

15

Drying the Generator

15

Section 4:

 

Engine DC Control System

16-27

Printed Circuit Board

16

GENERAL

16

CIRCUIT BOARD CONNECTIONS

16

Dip switch Positions

16

Battery

16

RECOMMENDED BATTERY

16

Control Panel Component Identification

17-18

Operational Analysis

20-27

CIRCUIT CONDITION - REST

20

CIRCUIT CONDITION - START

22

CIRCUIT CONDITION - RUN

24

CIRCUIT CONDITION - STOP

26

FAULT SHUTDOWN

27

Section 5:

 

Troubleshooting Flowcharts

28-36

Introduction

28

If Problem Involves AC Output

28

Problem 1 -

 

Voltage & Frequency Are Both High or Low ... 28

Problem 2 -

 

Generator Produces Zero Voltage

 

or Residual Voltage (2-12 VAC)

29-30

Problem 3 -

 

Excessive Voltage/Frequency

 

Droop When Load is Applied

30

Problem 4 -

 

No Battery Charge Output

31

Problem 5 -

 

No 10 Amp Battery Charge Output

31

Problem 6 -

 

Engine Will Not Crank

32

Problem 7 -

 

Engine Cranks But Will Not Start

33

Problem 8 -

 

Engine Starts Hard and Runs Rough

34

Problem 9 -

 

Engine Starts Then Shuts Down

34

Problem 10 -

 

10 Amp Fuse (F1) Blowing

35

Problem 11 -

 

Unit Overspeeds

36

Problem 12 -

 

Idle Control “RPM Does Not Decrease”

36

Problem 13 -

 

Idle Control “RPM Does Not Increase

 

When Load Is Applied”

36

Problem 14 -

 

Engine “Hunts” / Erratic Idle

36

 

Page

Page 3
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Guardian Technologies 5308, 4582 & 4987, 4451 & 4986, 4583 manual Table of Contents

5308, 4583, 4451 & 4986, 4582 & 4987 specifications

Guardian Technologies has carved a niche in the market with its innovative air purification and UV-C sanitization products. The company's model numbers, including 4582, 4987, 4451, 4986, 4583, and 5308, represent a diverse range of solutions designed to enhance indoor air quality and safety in both residential and commercial settings.

The Guardian Technologies 4582 is equipped with a true HEPA filter that captures 99.97% of dust, pollen, smoke, and other particles as small as 0.3 microns. This model features a smart sensor that adjusts the fan speed according to the air quality in real-time. The UV-C light technology integrated into this device works to eliminate viruses and bacteria, providing an additional layer of protection against airborne pathogens.

The 4987 model follows suit with similar advanced features but adds a sleek design ideal for modern interiors. With multiple speed settings and a night mode, the 4987 is perfect for bedrooms or quiet spaces. Its energy-efficient operation coupled with an indicator that signals filter replacement ensures that users maintain optimal performance effortlessly.

The Guardian Technologies 4451 and 4986 models are particularly notable for their enhanced capacity and filtration efficiency. Both units incorporate a three-in-one filtration system that includes a pre-filter, activated charcoal filter, and HEPA filter. With their strategic design, these models not only purify the air but also trap common household odors, making them a popular choice for families with pets.

The 4583 model stands out with a unique combination of design and functionality. It features a low-profile design, making it easy to fit into any space. Its UV-C light technology not only disinfects air but can also sanitize surfaces, bridging the gap between air purification and direct sanitation.

Finally, the Guardian Technologies 5308 caters to larger spaces, offering impressive air circulation and filtration capabilities. Equipped with a high-efficiency particulate air (HEPA) filter and a powerful fan, it effectively cleans larger areas while maintaining whisper-quiet operation.

In summary, Guardian Technologies’ products exemplify a commitment to improving air quality and promoting health through innovative technology. With features like HEPA filtration, UV-C sanitization, smart sensors, and sleek designs, consumers can choose from a range of models that best fit their needs, ensuring cleaner, safer indoor environments.