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2.6. How to Operate the Welder and Generator Set
2.6.1 Operating the Diesel Engine
Preheat the diesel engine for three minutes under the condition without any load.
For the diesel engine having the low oil pressure alarm system, it is necessary to check
whether the oil pressure signal indicator lights up. For the diesel engine having the low
oil pressure alarm system, the lubrication oil alarm indicator will light up when the oil
pressure is low or the lubrication oil is insufficient, and the diesel engine will stop
automatically. If no lubrication oil is added and you do not make a restart, the diesel
engine will still stop immediately. It is necessary to check the oil height and add some oil.
Do not unfasten the adjustment bolt used for adjusting the speed limit of the diesel engine
or do not unfasten the high-pressure pump limit bolt (They were adjusted well when
delivered from the factory.). otherwise their performance will be affected.
2.6.2 Inspection during the Operation
Check whether there is any abnormal sound or vibration.
Check whether the diesel engine does not start or the operation is not good.
Check the exhausted gas color (Is it black or is it too white?). If you find one of the
above-mentioned phenomena, it is necessary to brake the set, to find out the trouble cause
and shoot the trouble. If the settlement can not be made, please contact agency of our
company nearby, or contact our company directly.
2.7. Loading
2.7.1 Load
Load according to the stipulated parameters. For the electric principle diagram of the
generator set, please see the following figure.
2.7.2 AC Application
Be sure that the revolution speed of the generator set be increased to the rated speed (the
speed handle of the diesel engine should be turned to the top.). please see Main Technical
Specifications and Data in Chapter 1.
After switching on the air switch, observe the voltmeter on the panel of the control
cabinet and the voltmeter should point to the single phase set 220V±5% (50Hz), then the
loading can be carried out.
When the double voltage generator set charges over the voltage, the air switch should be
set at "OFF" state. Otherwise the generator set and the electric devices may be burned out
and damaged.
CAUTION：
Do not start more than two machines at the same time. The machines should be started
one by one. Do not use the floodlight at the same time of using other machines.
At the time of connecting with the generator, all kinds of equipment should be connected
in order. For the matter of the motor load, firstly the large power motors should be
connected. After the operation is normal, then the small power motors can be connected.
If the operation is incorrect, the generator will cause the running hysteresis or will brake
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