Kubota GL9000D-AU-B User Manual

GENERATOR
GL6000A-AU-B, GL6000D-AU-B,GL9000A-AU-B, GL9000D-AU-B, WSM
2-S3
9Y1211607GRS0001US0
Trouble Checking Method
Measurement
Operating
Condition
Possible Cause Countermeasure
Output Voltage Is
too High
Measure the
voltage at the
output terminal
using a voltmeter.
(250 V at AC range)
Excessive Output
Voltage
Improper contact of
the connector or
disconnected wire
(R) for detection coil
Repair or replace
Disconnected
detection coil in the
stator
Repair or replace
Defective A.V.R. Replace A.V.R.
Rated Output Is Not
Available
Check the variation
of engine revolution
or frequency when
engine is loaded or
not
Variation of engine
speed is normal
Defective capacitor
with A.V.R.
Replace A.V.R.
Improper contact of
brushes
Inspect and clean
the brush contact
surface, or repair or
replace the brushes
Variation of engine
speed is excessive
Insufficient engine
output
Repair engine
Defective engine
governor
Repair engine
Measure the
voltage at the
output terminal
using a voltmeter.
(250 V at AC range)
Output voltage is low Lowered engine
rotation
Adjustment of
rotational speed
Short-circuit of stator
coil or sub coil.
Repair or replace
Short-circuit of rotor
coil
Repair or replace
Defective A.V.R. Replace A.V.R.
The Charge Lamp
Lights After the
Engine Starts
Measure the
voltage at the stator
terminal using a
voltmeter.
(50 V at AC range)
Output voltage is
0V.
Improper contact of
sub coil coupler
Inspect and repair
Poor connection of
the wiring for sub coil
Repair or replace
Disconnected sub
coil.
Repair or replace
KiSC issued 06, 2016 A

Kubota GL9000D-AU-B Specifications

General

Model	GL9000D-AU-B
Type	Portable Generator
Fuel Type	Diesel
Displacement	719 cc
Voltage	240 V
Frequency	50 Hz
Starting System	Electric Start
Engine Type	4-cycle, water-cooled diesel
Fuel Tank Capacity	28 liters
Noise Level	72 dB(A) at 7 m
Engine Model	D722