Technology

Replacement of air compressor bearing

Replacement of air compressor bearing

Minh Phu Machinery and Technical Services Co., Ltd specializes in maintaining and repairing air compressors, supplying air compressor parts, air dryers, industrial air conditioners. With well-trained and professional staff in air compressor firms, we are committed to satisfy customers. In addition, all products we offer 100% are genuine goods and competitive price. Following are some pictures "repairing and replacing compressors". If you have any questions, please contact us for more information : Hotline 0919232826.

Specifications of Handsome II air compressor

Minh Phu Machinery and engineering Services Co., Ltd specializes in repair, maintenance and supply of parts for Handsome II air compressors with high quality, reliability and long-term warranty. Please call Minh Phu 0919232826 for more details. Belows are specification of of Handsome II air compressor.

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.

Part list of Handsome II air compressor

When ordering parts, specify the machine type , part name, part numbers to our authorized distributor. Use Kobelco genuine parts when replacing worn parts or repairing. Using non-genuine parts does not guarantee  proper funtions and may result in a failure.
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.

How to detect the failure of air compressor motor

Wednesday - 02/01/2019 03:31

How to detect failures of  air compressor motor

 Currently, Most air compressor using 3-phase asyncronous motor( high capacity air compressor)  and air compressor using 1 phase electric motor( low capacity air compressor). Druring using and operating time , there are many incidents due to electric motor failure such as: Short circuit, electric motor fire, clogged motor, low load, excessive vibration and quick-heated machine. When you connect to  the power supply, the protective equipments are reacted immediately ( Contactor is broken. Engine runs with sufficient speed but 3 phase electric current is unbalanced ...In order to help you earlier detect symptoms, causes and remedies, this article is recommended.   
dong co 4,Air compressor motor 
Air compressor motor 

1.Some common failure of 3 phase asyncronous motor.  
 

1.1 Motor is quickly overheated, groaning and unable to start when connecting to power supply ( slowly spin or not spin).

- Causes :
+Power supply  loses 1 phase
+ Inner phase of stator is broken 
+ Bearing is worn out so  rotor is clogged 
- Remedies 
+ Check and repair 
power supply wiring, fuses, contactor, main switch
+Measure and check each phase and repair brokren position. 
+ Check the loose of bearing. Repair or replace bearing 

1.2 The protective equipment are reacted immediately after power connection

- Cause 
+ Stator is short-circuited
- Remedies :
+ Check and repair the short-circuited phase. 

1.3 Engine runs with insuffcient speed, strong vibration, quickly -overheated.  
- Causes 

+  Short circuit in Inner coil  
+
The engine is destroyed
- Remedies:
+ Check wirings by Gronha , if it is internaly short-circuited , wrap it. 
+ Recalibrate or replace new bearing .

1.4 Mechanical sound, current is abnomal increase.
- Causes 
+ The cap is not well-fixed to the machine
+Bearing is worn out, shaft is curvied.
- Remedies :
+ Repair and correct mechanical parts.
+ Replace bearing 

1.5 Engine runs with sufficient speed but 3 phase electric current is unbalanced (deviation more than 10% in each phase)
-Causes 
+ Short circuited phases 
- Remesies:
+ Check source voltage  điện áp nguồn
+ Check short-circuited position.
1.6 
The load current is not too high Io> 50% Iđm
- Cause 
+ Poor quality circuit
+ Many winding is shorted-circuit 
- Remedies 
+
Enhance drying. If there is a change, it can be useD, If not it  must be corrected
1.7 Engine can not start while loading 
- Causes 
+ Heavy load 
+ Decrease sourse voltage 
+ Phase loss
- Remedies 
+ Decrease load 
+ Check the sourse voltage 
+ Check power supply

Other article: Six tips to  repair 1-phase asynchronous electric motor, How to read the parameters of bearings, 10 things to know when using bearings,

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)919 23 28 26. Sincerely thank you for your interest and your trust of our service. How to detect the failure of air compressor motor, air compressor fire, repair motor, add motor grease,

Total notes of this article: 0 in 0 rating

Click on stars to rate this article