Problem 3 - Generator Produces Low Voltage At No-Load; Problem 4 - Generator Produces High Voltage At No-Load - Generac Power Systems 10 kW LP Repair Manual

AC GENERATORS

Problem 3 - Generator Produces Low Voltage at No-Load

TEST 2 - CHECK
AC OUTPUT
LOW
VOLTAGE
NO VOLTAGE
12-20 kW UNITS
8/10 kW UNITS
TEST 9 -
CHECK
CAPACITOR
TEST 17 - ADJUST
VOLTAGE
REGULATOR
FREQUENCY O.K.,
BUT VOLTAGE IS
STILL LOW

Problem 4 - Generator Produces High Voltage at No-Load

TEST 2 - CHECK
HIGH
AC OUTPUT
VOLTAGE
TEST 9 -
CHECK
CAPACITOR
TEST 17 - ADJUST
VOLTAGE
REGULATOR
FREQUENCY O.K.,
BUT VOLTAGE IS
STILL HIGH
Part 2
TEST 14 - CHECK
AC OUTPUT
FREQUENCY
GO TO TEST 4
GO TO "PROBLEM 2"
8/10 kW UNITS
12-20 kW UNITS
12-20 kW UNITS
8/10 kW UNITS
TEST 14 - CHECK
AC OUTPUT
FREQUENCY
8/10 kW UNITS
12-20 kW UNITS
VOLTAGE AND FREQUENCY O.K.
12-20 kW UNITS
8/10 kW UNITS
trouBlEsHootiNG floWcHarts
LOW -
SINGLE CYLINDER
UNITS
TEST 16 - CHECK
LOW -
STEPPER MOTOR
V-TWIN UNITS
FREQUENCY O.K.,
BUT VOLTAGE LOW
VOLTAGE AND FREQUENCY O.K.
GO TO "PROBLEM 1" FLOW CHART -
START AT "TEST 4 - F/E"
GO TO "PROBLEM 2"
HIGH -
SINGLE CYLINDER
UNITS
TEST 16 - CHECK
HIGH -
STEPPER MOTOR
V-TWIN UNITS
FREQUENCY O.K.,
BUT VOLTAGE HIGH
REPLACE DEFECTIVE
VOLTAGE REGULATOR
GO TO "PROBLEM 2"
sEctioN 2.3
TEST 15 - ADJUST
ENGINE GOVERNOR
CONTROL
FREQUENCY AND
VOLTAGE O.K.
STOP
TESTS
TEST 15 - ADJUST
ENGINE GOVERNOR
CONTROL
FREQUENCY AND
VOLTAGE O.K.
STOP
TESTS
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