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  • Maintenance operation of excavator hydraulic pump
    2018-05-21
    If the platform cannot rotate in one direction, it is usually caused by the pressure of the secondary relief valve that cannot rotate. At this time, the secondary relief valve that can not be rotated can be adjusted and the cap can be loosened. A pressure gauge can be installed in the rotary oil circuit to allow the driver to operate the pilot handle that controls the rotation. The maintenance personnel can adjust the secondary relief valve from side to side. Observe whether the displayed value of the pressure gauge changes. If there is a change, you can adjust the pressure value to the design overflow value; if there is no change, it may be caused by the following reasons:
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  • Do you know the power of diesel generators?
    2018-05-21
    When using a diesel generator set, you must have a certain understanding of its power. The generator supplier will give you a brief introduction to the following types of power:

    First, continuous power (COP). Under the agreed operating conditions and in accordance with the manufacturer's regulations for maintenance, the generator set continues to run at a constant load and has an unlimited maximum operating hours per year.
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  • What type of generator set do you value?
    2018-05-21
    I believe many people know that when choosing a Cummins generator set, the choice of model is very important. And a high-quality Cummins generator set is what we need most. In order to achieve the effective power generated by the generator, different power and different types of generators should also be used in a suitable environment.
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