Product Manual

13REV E
60706-160
SYMPTOM CAUSE(S) CORRECTIVE ACTION
No output voltage 1. Circuit breaker open
2. Defective frequency meter
3. Short circuit in the load
4. Defective receptacles
5. Loose (or broken) wires or connections
in control box
6. Defective rotating rectier
7. Defective AVR
8. Shorted or open rotor
9. Shorted or open stator
1. Reset circuit breakers, replace if defective
2. Check output with another meter, replace meter if defective.
3. Disconnect the load. Check voltage at receptacle cord set.
Check motors, appliances, and load leads for short circuit.
Repair short.
4. Remove panel cover and check for voltage to the
receptacles. Replace defective receptacles.
5. Remove panel cover and check all wiring and connections.
Tighten and/or repair where necessary.
6. Test rectier. Replace if defective.
7. Repair or replace as required.
8. Measure rotor resistance. Replace rotor if open or shorted.
9. Measure between leads for open r short. Replaces stator if
defective.
High voltage 1. Defective or misadjusted AVR 1. Adjust, repair, or replace as required
Low voltage 1. Engine speed too low
2. Generator overloaded
3. Inadequate engine horsepower.
4. Defective or misadjusted AVR
1. Check engine speed. Increase RPM if necessary.
2. Reduce load if it is higher than the rated capacity of the
generator. (see generator nameplate)
3. Generator requires 2 HP/1000 watt output. Obtain larger
engine if necessary.
4. Repair, adjust, or replace as required.
Output voltage
ickering or uctuation
1. Tumbling bar (shaft) misalignment
2. Engine governor may be worn or
improperly adjusted. Set or repair
defective governor.
3. Loose connection in eld circuit
4. Tumbling bar U-Joints not synchronized
1. Reduce tumbling bar misalignment to less than 15 degrees
2. Engine governor may be worn or improperly adjusted. Set or
repair defective governor.
3. Check and tighten connections.
4. Reassemble tumbling bar.
Excessive vibration 1. Power take-off misalignment excessive
2. Loose mounting nuts and bolts or hold
down studs
3. Universal joints in coupling shaft worn
or dry.
4. Defective bearings
1. Correct misalignment. It should be less than 15 degrees.
2. Tighten mounting buts and bolts; repair hold down stud
mountings.
3. Repair or replace defective parts.
4. Check for possible causes. Replace defective bearings.
Generator overheating 1. Poor ventilation
2. Generator overloaded
3. Shorted turns in eld or stator windings.
1. Clean ventilation and cooling fan screens.
2. Reduce load, then check voltage and current.
3. Replace defective components.
Oil Leak 1. Loose plug in gearcase
2. Defective seal, gasket, or plug in
geargase
1. Tighten plug.
2. Replace seal(s), gaskets or plugs. Maintain correct oil level.
TROUBLE SHOOTING TABLES