Common causes and troubles of vacuum pump

Common causes and troubles of vacuum pump

During operation as well as operation of operators '"Malfunction is unavoidable'" Some basic incidents such as: Do not reach vacuum level, pump overload ... With many years of experience, We have successfully repaired many vacuum pumps. The following are some of the reasons why the vacuum pump failures, and some common vulnerabilities with the hope that the operator can identify and take prevention.
Piston air compressor repair

Piston air compressor repair

Minh Phu Machine and Technical Services Co., Ltd specializes in repairing, maintaining and supplying Piston air compressor parts: air compressor oil, air filter, oil cap, cement ... . Please contact us (Mobile: 0919 23 28 26 - Email: for professional services and competitive price.
Kaeser - Germany repair and maintenance

Kaeser - Germany repair and maintenance

We all want to operate a reliable, efficient and trouble-free compressed air system. Following the equipment manufacturer's daily and weekly maintenance checks can help you to deal with this problem. After all, prevention is better than cure! For many companies, compressed air is considered to be very important for plant operations. Air compressors are high-value machines if it is not well maintained, resulting in high energy costs, the machine can get unexpected incidents affecting the production schedule and even damage the product.
Air dryers repairs

Air dryers repairs

Atmospheric air always contains moisture: the higher temperature, the higher humidity is typical for the air. However, when compressed air is accumulated moisture, the water is condensing on the internal parts of the equipment and pneumatic systems. It is the case of corrosion and reduce the equipment lifetime. Therefore usually the additional air treatment equipment, like air dryer are used to avoid the accumulation of moisture in the pneumatic system.

Wiring for remote operation of Handsome II air compressor

The compressor can be operated remotely with the LOCAL/REM selector switch on the meter panel. For the remote operation, the following wiring work is required. Before wiring, be sure to turn off the main power and make sure that no electric power is supplied to the compressor.

Operating manual Hanshin AL2 -series screw compressor: About how to use the manual

Wednesday - 02/12/2020 20:06

Thank you for purchasing Hanshin compressor.

Hanshin screw oil-free compressor is the product developed, based on long history, wide experience and accumulated technology know-how.

Hanshin free-oil screw compressor
Hanshin free-oil screw compressor


The screw compressor has proven the performance by verified design and reliability test while it was programed for optimal operation so that control –related operation data would be automatically calculated and changed simply by changing operation pressure valve through artificial intelligence- I like micom control.

It will also lead to high valuation from users as such function work to optimal operation under a user’s operation conditions, warranting high performance.

Machinery and controller tend to exercise 100% performance as long as it’s structure and directions are fully understood and thoroughly maintained. Therefore, make sure to carefully read this manual and use rightly, in addition, keep the manual in its container to refer to it every time you need it.

Screw compressor
Screw compressor


About how to use the manual.

The product (oil-free screw compressor,) is intended only to use within the territory (Korea Republic).

- The manual explains normal operations, repairs, and maintenance of the compressor from the initial installation to operation, routine management, and regular maintenance.
- Before installing the compressor, please read the operating manual, understand the content, and use it according to the description.
  Please keep the manual close to the compressor, If necessary, immediately refer to it.
- For any unclear contents in handling, please contact the company’s A/S service center (TEL .031-494-8484) or Minh Phu ( email: - tel: (+84)819.23.28.26).

warning sign gas mask vector 27099881 1

  • To use compressed air to direct suction or respiratory device, attach air filter or drain line on to discharge side before use

  • Since direct inhaling may cause unexpected accidents such as difficulty in breathing, make sure to secure safety, for instance, by attaching COsensor.


Indication of Type

CDH2 - 160 W 1 6

  • CDH2: Model
  • 160: Output (kW)
  • W: water-cooled / A: Air-cooled
  • 1: AC220V / 2: AC380V & 440V (Voltage)
  • 6: Frequency (5: 50Hz, 6: 60 Hz)


Referring to the information such as model, serial no,.. operating pressure, voltage and etc, which are indicated on the left side of the compressor, will be convenient for you when ordering parts or doing routine maintenance.



Minh Phu provides maintenance and repair services for air compressors, in addition, Minh Phu also provides spare parts for air compressors with high quality at reasonable prices. For further information, please contact (+84)819 23 28 26. Sincerely thank you for your interest and your trust in our service.

Oil-free Double Stage Screw Compressor, Hanshin CDH2 series air compressor,

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