News

  • MAINTENANCE INTERVALS

    1、Every 4 hours - Apply the grease in front head. - Check hydraulic oil temperature, piping and hose connection. - Check tightness of fasteners. 2、Every 10 hours, or Daily - If rough skin on the tool and tool pins have been found, it must be removed. - Check the N2 gas pressure in back head. - ...
    Read more
  • NORMAL OPERATION

    NORMAL OPERATION

    1、 Operators should be trained and master the control skills of breaking. Continuous blank firing and blindflod operating are prohibited.。 2、 Start the engine and idle for 5 minutes to heat the engine. 3、 After the heating engine, control the excavator walking and arm movement for 5 minutes...
    Read more
  • HYDRAULIC BREAKER CONNECTION

    HYDRAULIC BREAKER CONNECTION

    The connection and maintenance of the hydraulic breaker is also a very important part. If you follow the instructions in detail, it will prolong the service life of the hydraulic breaker, reduce industrial waste, integrate resources, and avoid after-sales service. 1.1 PIPELINE CIRCULATION Pipelin...
    Read more
  • SAFETY OPERATION

    SAFETY OPERATION

    Stop working the hydraulic breaker,if hydraulic hoses Vibrate excessively. Check the N2 gas pressure into accumulator & back head. Stop hydraulic breaker oper...
    Read more
  • How to protect the hydraulic pump when the excavator is equipped with a breaker?-Part 2

    How to protect the hydraulic pump when the excavator is equipped with a breaker?-Part 2

    5. Replace the oil seal in time Analysis: The oil seal is a vulnerable part. It is recommended that the breaker work for about 600-800 hours, and the breaker oil seal should be replaced once; when the oil seal leaks oil, it must stop working immediately and replace the oil seal, otherwise the sid...
    Read more
  • How to protect the hydraulic pump when the excavator is equipped with a breaker?- Part one

    How to protect the hydraulic pump when the excavator is equipped with a breaker?- Part one

    Because the breaker is a reciprocating and fast impact motion, the return speed of oil is fast and the relative pulse is relatively large, which causes the aging speed of the hydraulic oil to accelerate. Therefore, it is necessary to maintain the excavator and use it properly, which can effective...
    Read more
  • WORKING PRINCIPLE OF HYDRAULIC BREAKER

    WORKING PRINCIPLE OF HYDRAULIC BREAKER

    This type of hydraulic breakers is driven by N2 gas and hydraulic oil. They drive piston together to high speeds. The tool is impacted and transmit impact wave efficiently, so as to break rock and so on. The hydraulic oil is supplied by the hoses connected to the excavator and maintains the suppl...
    Read more
  • Our product advantages

    Our product advantages

    For more than ten years, Yantai Yigao Precision Machinery Co., Ltd. has been dominant in the market, and the reason why it has been recognized by more and more old customers at home and abroad is that we have a persistent attitude towards products. We make every product well and reduce the after-...
    Read more
  • Putting production safety into practice

    Putting production safety into practice

    At present, the Safety Committee of the State Council is deploying a national production safety inspection, and will always take the prevention and control of major risks and containment of major accidents as the top priority. ”, oil and gas reserve bases, group rental housing and other major ris...
    Read more
  • The responsibility for safety production is heavier than Mount Tai

    The responsibility for safety production is heavier than Mount Tai

    The responsibility for safety production is heavier than Mount Tai, and the “valve” of this responsibility cannot be over-tightened. Yantai Yigao Precision Machinery Co., Ltd. is always tightening the strings, preventing risks and eliminating hidden dangers, and ensuring safe producti...
    Read more
  • Yantai Yigao Precision Machinery Co., Ltd. was recognized by the industry

    Yantai Yigao Precision Machinery Co., Ltd. was recognized by the industry

    Yantai Yigao Precision Machinery Co., Ltd. was recognized by the industry,CE certification means that the product has met the safety requirements stipulated by the EU directives; it is a commitment of enterprises to consumers, which increases consumers’ trust in the product; products affix...
    Read more
  • Yantai Yigao Precision Machinery Co., Ltd. has passed the CE certification

    Yantai Yigao Precision Machinery Co., Ltd. has passed the CE certification

    Yantai Yigao Precision Machinery Co., Ltd. actively explores and develops overseas markets. It has been tested by the EU CE certification agency, passed the measurement of safety, environmental protection and other indicators, obtained the CE certification issued by the EU certification agency, a...
    Read more
12 Next > >> Page 1 / 2