Shindaiwa DGK25F, Service Manual

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12
6. Service Data
ELECTRIC SHOCK
WARNING
Never touch the output terminals during operation.
Never touch the output terminal during operation even though the breaker on the load being set at
OFF. Be sure to check and confirm the engine stop whenever touching terminals to connect loads.
6-1 Technical Specification
Items Reference Value Note
Insulation
Armature
winding 3MΩ or more
DC500V
Megger Tester
Exciter field
Preheat time
Preheat time would be approx. 5 sec.
when coolant temp. read -15
℃
and
it would be 2 sec. when coolant temp.
read 20
℃
. Glow lamp ON for 10 sec.
Automatic
Preheat System
Min. rpm at no load 1000±50 min -1
Max. rpm at no load 1930 min
-1
Lubricant oil pressure 0.1~0.49MPa{1~5kgf/cm²}
Coolant temperature
70~100
℃
Frame temperature limit
within 80
℃
Sealed bearing temperature limit
within 80
℃
Speed regulation Momentary
within 10%
Steady-state
deviation
within 5%
Voltage regulation
Momentary
within 20%
Steady-state
deviation
within 1.0%
Frequency
Idle: 33.3 Hz
Rated: 60 Hz
Variable voltage
456~504V
Protective device Low oil pressure
Working pressure
Low oil
pressure
Working pressure 0.098MPa{1.019±0.2kgf/cm²}
[Close] when
activated
High water
temp.
Working
temperature
110±2
℃