Multiquip operation manual GA-6RZ2-TROUBLESHOOTING Generator

Page 22

GA-6RZ2—TROUBLESHOOTING (GENERATOR)

Practically all generator breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the

diagnosis based on the Generator Troubleshooting (Table 5) information shown below and on the preceding page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.

TABLE 5. GENERATOR TROUBLESHOOTING

	SYMPTOM	POSSIBLE PROBLEM	SOLUTION

	Low voltage	Engine speed too low?	Raise engine speed to rated RPM.

		AC voltmeter not working?	Replace AC voltmeter.

		Control box internal wiring	Check control box wiring.
		malfunction?

		Defective ignition coil?	Check red and green ignition wires. Replace ignition wires if
	Low voltage. Engine speed		necessary.
	normal 3650 RPM (unloaded),
	normal 3650 RPM (unloaded),	Rotor winding malfunction?	Check or replace rotor.
	2500 RPM (idle)	Rotor winding malfunction?	Check or replace rotor.

		Stator winding malfunction?	Check or replace stator.

		Leakage breaker malfunction?	Check or replace CB1.

		Full power switch malfunction?	Check full power switch and full power switch circuit.

	Voltage output too high.	Engine speed too high?	Lower engine speed to rated RPM.

	Voltage output too high. Engine	Control box internal wiring	Check control box wiring.
	speed normal 3650 RPM	malfunction
	(unloaded), 2500 RPM (idle)

	Circuit breaker will not turn on	Defective circuit breaker?	Replace circuit breaker.
	"NO LOAD"

	Circuit breaker will turn on	Overload?	Reduce load or replace breaker.
	Circuit breaker will turn on
	"LOADED" but trips immediately.	Load circuit is shorted?	Check load circuit for short.
		Load circuit is shorted?	Check load circuit for short.

	Does not accelerate from low to	Stuck solenoid?	Check solenoid.
	Does not accelerate from low to
	high "NO LOAD"	Bad Idle control switch?	Check or replace idle control switch.
		Bad Idle control switch?	Check or replace idle control switch.

		Idle control switch malfunction?	Check or replace idle control switch.
	Does not accelerate from low to
	Does not accelerate from low to	Idle control device malfunction?	Check or replace idle control device.
	high "LOAD ACTIVE"	Idle control device malfunction?	Check or replace idle control device.
	high "LOAD ACTIVE"
		Control box interal wiring	Check control box wiring.
		defective?

PAGE 22 — GA-6RZ2 A.C. GENERATOR — PARTS & OPERATION MANUAL — REV. #3 (03/09/05)

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Contents Multiquip Page Heres HOW to GET Help Table of Contents Parts Ordering Procedures UPS Ground Service at no charge for freightRules for Safe Operation Maintenance SafetyEmergencies Operation and Safety Decals Machine Safety DecalsEffects of Altitude and Heat Robin EH-34DSControl Box GA-6RZ2- General InformationGenerator EngineGA-6RZ2 Controls and Indicators Controls and IndicatorsOutdoor Installation Indoor InstallationCircuit Breaker GA-6RZ2- PRE-SETUPGeneral Inspection Prior to Operation GroundLubrication Oil FuelGA-6RZ2- Instrumentation Single Phase Load Watts = Voltage x AmperageOperation Starting Before StartingWarm up Stopping the EngineCleaning the Fuel Strainer Air CleanerService Daily General InspectionGA-6RZ2- Preparation for Long -TERM Storage Generator StorageGA-6RZ2-WIRING Diagram Generator EngineGA-6RZ2-TROUBLESHOOTING Engine GA-6RZ2-TROUBLESHOOTING Engine GA-6RZ2-TROUBLESHOOTING Generator Voltage Output GA-6RZ2- Explanation of Code in Remarks Column Items Found In the Items Number ColumnGA-6RZ2- Suggested Spare Parts To 5 Units To 10 UnitsGA-6RZ2- Generator Assy SET WASHER, Bearing Includes Items WSET BOLT, Rotor Spring WasherGA-6RZ2- Control BOX Assy Collar Control BOXRubber Cushion Machine ScrewGA-6RZ2- Pipe Frame Assy Battery Bolt BatteryBattery Band Pipe FrameGA-6RZ2 Name Plate and Decals Decal MQ GA-6RZ2 Decal GroundDecal Fuel Cock Decal CautionRobin EH-34 Engine Crankcase Assy Plug Dowel PINStud GasketRobin EH-34 Engine Crankshaft & Piston Assy NUT Connecting ROD BoltCrankshaft CP WasherRobin EH-34 Engine Intake Exhaust Assy Valve Spring Adjusting ScrewTappet COLLET, ValveRobin EH-34 Engine Governor Assy Governor ROD CP Governor Lever CPGovernor Shaft ROD SpringRobin EH-34 Engine Cooling & Recoil Starter Assy Robin EH-34 Engine Cooling & Recoilstarter Assy Robin EH-34 Engine Carburetor Assy Banjo Adjust ScrewHose Clamp Throttle ValveRobin EH-34 Engine Coil ASSY. and Spark Plug Ignition Coil CP Wire 3 CPFlywheel CP Charge Coil CPStarter ASSY. & Magnetic Switch Robin EH-34 Engine Starter ASSY. & Magnetic Switch Robin EH-34 Engine OIL Level Sensor & Solenoid Assy Robin EH-34 Engine OIL Level Sensor & Solenoid Assy Wire 18 CP Includes Items WSPRING, Solenoid Terms and Conditions of Sale Parts Page FAX 800/672-7877