Guardian Technologies 4451 & 4986, 4582 & 4987, 4583, 5308 AC Voltage across Wires 11S and 44S=

Page 41

Section 6

DIAGNOSTIC TESTS

9.Shutdown the generator.

10.Reconnect Wire 2 to the Excitation Circuit Breaker.

11.Connect one meter test lead to Wire 11S located in the six pin connector previously removed from the Voltage Regulator. Connect the other meter test lead to Wire 44S located in the six pin connector previously removed from the Voltage Regulator. See Figure 6-11. Be careful not to damage the pin connectors with the test leads.

0

PIN 1

VOLTAGE

162

PIN 2

11S

PIN 3

REGULATOR

4PIN 4

44S

PIN 5

6

PIN 6

Figure 6-11. - Voltage Regulator Pin Connector Wire

Number Locations

12.Start the generator.

13.Measure the output voltage across wires 11S and 44S and record the results.

AC Voltage across Wires 11S and 44S= _________

14.Shutdown the generator.

15.Remove the Jumper lead between Wire 14 and Diode D1.

16.Set the voltmeter to measure DC amperage (10 Amp Range). Switch the test leads on the meter if required.

1.5 A

14

WIRE 14

REMOVEDR1 14

D2

4

4

Figure 6-12. – Measuring Amp Draw

17.Connect the positive meter test lead to Wire 14. Connect the negative test lead to Wire 4 at Diode D1. See Figure 6-12.

18.Start the generator.

19.Measure the DC Rotor Amp draw and record the results.

Rotor Amp Draw =________________

20.Shutdown the generator.

21.Reconnect the six pin connector.

22.Reconnect Wire 14 to the resistor R1.

RESULTS:

Refer to "TEST 4 RESULTS" chart.

TEST 4 RESULTS

 

A

B

C

D

E

F

G

 

 

 

 

 

 

 

 

VOLTAGE RESULTS

ABOVE

ABOVE

BELOW

ZERO OR RESIDUAL VOLTAGE

BELOW

BELOW

ABOVE

WIRE 2 & 6

60 VAC

60 VAC

60 VAC

(2-12 VAC)

60 VAC

60 VAC

60 VAC

EXCITATION WINDING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE RESULTS

ABOVE

BELOW

ABOVE

ZERO OR RESIDUAL VOLTAGE

BELOW

BELOW

ABOVE

WIRE 11S & 44S

120 VAC

120 VAC

120 VAC

(2-12 VAC)

120 VAC

120 VAC

120 VAC

 

 

 

 

 

 

 

 

ROTOR AMP DRAW

1.8 A

1.8 A

1.8 A

 

 

1.8 A

ZERO

12.5 kW (MODEL 004451-0)

ZERO CURRENT DRAW

2.3 A

CURRENT

± 20%

± 20%

± 20%

± 20%

(MODEL 004986-0)

 

 

DRAW

 

 

 

 

 

 

ROTOR AMP DRAW

 

 

 

 

 

 

ZERO

15 kW (MODEL 004582-0,1)

1.6 A

1.6 A

1.6 A

 

 

1.6 A

ZERO CURRENT DRAW

2.1 A

CURRENT

(MODEL 004987-0)

± 20%

± 20%

± 20%

± 20%

 

 

DRAW

(MODEL 005209-0)

 

 

 

 

 

 

 

 

 

 

 

 

 

ROTOR AMP DRAW

0.96 A

0.96 A

0.96 A

 

 

0.96 A

ZERO

15 kW (MODEL 004582-2)

ZERO CURRENT DRAW

1.5 A

CURRENT

± 20%

± 20%

± 20%

± 20%

(MODEL 004987-1)

 

 

DRAW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ROTOR AMP DRAW

0.89 A

0.89 A

0.89 A

 

 

0.89 A

ZERO

17.5 kW (MODEL 004583-0)

ZERO CURRENT DRAW

1.4 A

CURRENT

± 20%

± 20%

± 20%

± 20%

(MODEL 005308-0)

 

 

DRAW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(MATCH RESULTS WITH LETTER AND REFER TO FLOW CHART – Problem 2 on Pages 29 & 30)

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Contents Diagnostic Repair Manual Replacement Parts SafetyTable of Contents Section Disassembly and Exploded Views 66-71 Electromagnetic Induction MagnetismElectromagnetic Fields More Sophisticated AC Generator STATORs AC power windingsSimple AC Generator Generator Operating Diagram Measuring AC Voltage MetersVOM Measuring DC VoltageMeasuring Resistance Measuring CurrentOhms Law Electrical UnitsEngine-Generator Drive System Rotor AssemblyIntroduction AC Generator Brush Holder and Brushes Stator AssemblyOther AC Generator Components Excitation Circuit BreakerVoltage Regulator Underfrequency Adjust162 Operation Rotor Residual MagnetismField Boost Circuit Stator Insulation Resistance Test Insulation ResistanceMegohmmeter Test Between Windings Testing ALL Stator Windings to GroundDrying the Generator Cleaning the GeneratorRotor Insulation Resistance Test Recommended Battery BatteryPrinted Circuit Board Circuit Board ConnectionsENGINE DC CONTROL Control Panel Component IdentificationTerminal Block Terminal BLOCKTB2 TB1 C1 Female Side C1 Male SideC2 Female Side C2 Male Side Page Circuit Condition Rest = 12 VDC Control Circuit Condition Start IM1 SP1 IM2 SP2 RED Black Battery Circuit Condition RUN = Idle Control Transformer Output CIRcUIT Condition Stop Fault Shutdown Introduction If Problem Involves AC OutputProblem 1 Voltage & Frequency Are Both High or Low Or Replace If BAD Load Watts Problem 5 No 10A Battery Charge Output Problem 4 No Battery Charge OutputProblem 6 Engine Will Not Crank Problem 7 Engine Cranks But Will Not Start Problem 9 Engine Starts Then Shuts Down Problem 8 Engine Starts Hard and Runs RoughProblem 10 10 Amp Fuse F1 Blowing Problem 14 Engine Hunts / Erratic Idle Problem 11 Unit OverspeedsProblem 12 Idle Control RPM Does Not Decrease Test 1 Check No-Load Voltage Frequency ProcedureTest 2 Check Main Circuit Breaker ResultsSet voltmeter to measure AC voltage Test 4 Fixed Excitation Test Rotor AMP DrawIf circuit breaker is good, go on to Test Refer to Test 4 Results chart AC Voltage across Wires 11S and 44S=Set a voltmeter to measure resistance Remove air cleaner cover to access stepper motorTest 7 Check Field Boost Test 6 Wire ContinuityTest 8 DIODE/RESISTOR Disconnect both wires from the Resistor R1Set volt meter to the diode test range Set volt meter to measure resistanceTest 9 Test Stator From the 50 Amp receptacle disconnect WireTest 10 Sensing Leads Unplug the six pin connector at the Voltage RegulatorGain access to the brushes and slip rings Test 11 Excitation WiringTest 12 Check Brush Leads Test 13 Check Brushes & Slip RingsTest 15 Check Load Voltage Frequency Test 14 Check Rotor AssemblyTest 16 Check Load Watts & Amperage If the unit is overloaded, reduce the loadDisconnect all wires from the Battery Charge Rectifier Test 17 Check Battery Charge OutputTest 19 Check Battery Charge Rectifier BCR2 BCR1BCR2 Test 22- Check Battery & CablesTest 21- Check 10 Amp Fuse Test 23 Check Voltage at Starter Contactor SC Refer back to flow chartTest 24 Check Starter Contactor SC Test 25 Check Starter MotorTools for Starter Performance Test Checking the PinionSet voltmeter to measure DC voltage Test 26 Test Starter Contactor Relay SCRTest 28 Check Start-Run-Stop Switch SW1 Wiring Test 27 Check Start-Run-Stop Switch SW1Reconnect all wires to the switch Procedure Set voltmeter to measure resistanceTest 30 Check Spark Plugs Refer back to the Flow ChartTest 29 Check Ignition Spark Refer to Flow Chart Test 31 Remove Wire 18 / Shutdown LeadSSR and the Battery Charge Rectifier 2 BCR2 Test 32 Test Start Stop Relay SSRRUN Test 33 Test WireMagnetos Test 34 Test Start Stop Relay WiringTest 35 Check and Adjust Ignition Test 37 Test Fuel Shutoff Solenoid Voltage Test 36 Test Fuel Shutoff Solenoid FSSTest 38 Check Fuel Pump MagnetoTest 39 Check Carburetion Test 40 Valve AdjustmentAdjusting Valve Clearance 52 Tightening the Jam Nut Adjust the regulated pressure on the gauge to 80 psiTest 43 Check Start Stop Relay SSR Test 42 Check Oil Pressure Switch WireTest 46 Check Wire 14 Circuit Test 45 Check Wire 15 CircuitTest 44 Test Starter Contactor Relay SCR Test 47 Check Fuel Shutoff SolenoidTest 49 Check Wire 15B Test 50 Check WireTest 51 Check Wires 11S & 44S Test 48 Check HourmeterTest 53 Check Idle Control Wiring Test 52 Check Idle Control SwitchSW2 TB2Test 54 Check Idle Control Transformers ICT Test 55 Check TR1 & TR2 WiringContinuity should be measured Test 56 Choke TestRemove air deflector Figure B, Item #45 from cross member Major DisassemblySupport Alternator 3317 3026 20 22 25 QTY Description Detail of Battery Tray QTY. Description ELECTRICAL DATA RED Battery Charge Winding BA Brush Assembly Governor Actuator 167 229 15B Power Winding DPE Winding SCR Wiring Diagram 17.5 kW Drawing No G0731 Stator Closest to Bearing Electrical Schematic 17.5 kW Drawing No G0733 Circuit 11 ORG Circuit 13 DRK BLU Circuit 15 PNK ELECTRICAL DATA Page Frequency Hz 238-242 59-61 100 Rated Max DC Load Amperes Current @ 12 VoltsLoad % Trim Torque Specifications Torque SpecificationsPO BOX 297 WHITEWATER, WI

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.
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