causing uneven air gap.
Replace as necessary.
SYMPTOM: GENERATOR PRODUCES IDGH VOLTAGE
CAUSE
CHECK
AND REMEDY
Faulty metering.
Check voltage with separate meter at generator tenninals.
Excessive speed. Check engine for malfunction,
or
improper governor setting.
SYMPTOM: GENERATOR IS OVERHEATING
CAUSE
Generator
is
overloaded.
rating.
Clogged ventilating
screens.
High room temperature,
or
altitude.
Insufficient circulation
of
cooling air.
Unbalanced load.
Dry
bearing.
CHECK
AND REMEDY
Reduce load. Check with ammeter and compare with nameplate
Clean air passages.
Improve ventilation, or reduce load.
Provide cross-ventilation.
The load
on
each leg should be as evenly balanced as possible, and
should not exceed rated current on any leg.
Replace bearing.
SYMPTOM: GENERA
TOR
PRODUCES MECHANICAL NOISE
CAUSE
Defective bearing.
Loose screens
or
guards.
CHECK
AND REMEDY
Replace bearing.
Check screen band, intake
air
screens and louver assembly for
tigntness. Tighten as necessary.
SYMPTOM: GENERATOR PRODUCES SHOCK WHEN TOUCHED
CAUSE
Static charge.
Grounded armature
or
field coil.
CHECK
AND REMEDY
Ground generator frame.
Return
to
factory for repair.
18
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