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),

 

 

Rotor winding malfunction?

Check or replace rotor.

2500 RPM (idle)

 

 

 

 

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.

 

 

"LOADED" but trips immediately.

Load circuit is shorted?

Check load circuit for short.

 

 

 

 

Does not accelerate from low to

Stuck solenoid?

Check solenoid.

 

 

high "NO LOAD"

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

 

 

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