Guardian Technologies 5308, 4582 & 4987, 4451 & 4986 Problem 7 Engine Cranks But Will Not Start

Page 35

Section 5

TROUBLESHOOTING FLOWCHARTS

Problem 7 - Engine Cranks But Will Not Start

CHECK

CHECK

VERIFY THAT IDLE

FUEL

CONTROL SWITCH

PULL CHOKE

FUEL

GOOD

GOOD

OFF

SHUTOFF

IS IN THE “OFF”

FULL OUT

SUPPLY

VALVE

POSITION

OFF

ON

REPLENISH

PULL OUT

FULL OUT

FUEL

TURN ON

TURN OFF

SUPPLY

TEST 38 -

TEST 36 - CHECK

TEST 30 -

TEST 29 -

CHECK

CHECK

GOOD

FUEL SHUTOFF

GOOD

GOOD

CHECK

FUEL PUMP

SOLENOID (FSS)

SPARK

SPARK

PLUGS

BAD

BAD

BAD

REPLACE

REPAIR

BAD

TEST 37 - CHECK

OR

FUEL SHUTOFF

GOOD

REPLACE

BAD

SOLENOID VOLTAGE

TEST 32 - CHECK

START STOP

GOOD

DC VOLTAGE

RELAY (SSR)

MEASURED AT

TWO PIN

CONNECTOR

TEST 31 - REMOVE

NO

TEST 39 -

WIRE 18 /

CHECK

BAD

SPARK

SHUTDOWN LEAD

CARBURETION

REPAIR

SPARK

OR REPLACE

FSS

GOOD

TEST 35 - CHECK AND

TEST 32 - TEST

ADJUST IGNITION

BAD

START STOP

MAGNETOS

TEST 5 - CHECK

REPAIR

RELAY (SSR)

REPLACE

STEPPER

BAD

OR

MOTOR

GOOD

REPLACE

ADJUST

CONTROL

OR REPLACE

GOOD

TEST 33 - TEST

BAD

WIRE 167

TEST 40 - CHECK

VALVE

ADJUSTMENT

BAD

ADJUST AND

RE-TEST

			TEST 41 - CHECK
GOOD			ENGINE / CYLINDER
GOOD			ENGINE / CYLINDER
			LEAK DOWN TEST /
			LEAK DOWN TEST /
			COMPRESSION TEST


				BAD

REPAIR OR REPLACE AS NECESSARY REFER TO ENGINE SERVICE MANUAL P/N 0E2081 FOR FURTHER ENGINE SERVICE INFORMATION

GOOD

CHECK

FLYWHEEL KEY -

SEE TEST 35

REPAIR	GOOD

OR REPLACE

	TEST 34 - TEST
	START STOP
	RELAY WIRING


	GOOD

	REPLACE
	PRINTED CIRCUIT
	BOARD

Page 33

Image 35

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 DC Voltage MetersMeasuring AC Voltage VOMMeasuring Resistance Measuring CurrentOhms Law Electrical UnitsEngine-Generator Drive System Rotor AssemblyIntroduction AC Generator Excitation Circuit Breaker Stator AssemblyBrush Holder and Brushes Other AC Generator ComponentsVoltage 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 Circuit Board Connections BatteryRecommended Battery Printed Circuit BoardENGINE 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 Results ProcedureTest 1 Check No-Load Voltage Frequency Test 2 Check Main Circuit BreakerSet 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 ContinuitySet volt meter to measure resistance Disconnect both wires from the Resistor R1Test 8 DIODE/RESISTOR Set volt meter to the diode test rangeTest 9 Test Stator From the 50 Amp receptacle disconnect WireTest 10 Sensing Leads Unplug the six pin connector at the Voltage RegulatorTest 13 Check Brushes & Slip Rings Test 11 Excitation WiringGain access to the brushes and slip rings Test 12 Check Brush LeadsIf the unit is overloaded, reduce the load Test 14 Check Rotor AssemblyTest 15 Check Load Voltage Frequency Test 16 Check Load Watts & AmperageDisconnect 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 25 Check Starter Motor Refer back to flow chartTest 23 Check Voltage at Starter Contactor SC Test 24 Check Starter Contactor SCTools for Starter Performance Test Checking the PinionSet voltmeter to measure DC voltage Test 26 Test Starter Contactor Relay SCRProcedure Set voltmeter to measure resistance Test 27 Check Start-Run-Stop Switch SW1Test 28 Check Start-Run-Stop Switch SW1 Wiring Reconnect all wires to the switchTest 30 Check Spark Plugs Refer back to the Flow ChartTest 29 Check Ignition Spark Test 32 Test Start Stop Relay SSR Test 31 Remove Wire 18 / Shutdown LeadRefer to Flow Chart SSR and the Battery Charge Rectifier 2 BCR2RUN Test 33 Test WireMagnetos Test 34 Test Start Stop Relay WiringTest 35 Check and Adjust Ignition Magneto Test 36 Test Fuel Shutoff Solenoid FSSTest 37 Test Fuel Shutoff Solenoid Voltage Test 38 Check Fuel PumpTest 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 47 Check Fuel Shutoff Solenoid Test 45 Check Wire 15 CircuitTest 46 Check Wire 14 Circuit Test 44 Test Starter Contactor Relay SCRTest 48 Check Hourmeter Test 50 Check WireTest 49 Check Wire 15B Test 51 Check Wires 11S & 44STB2 Test 52 Check Idle Control SwitchTest 53 Check Idle Control Wiring SW2Test 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.