Truck refrigeration unit Compressor Seized up

What is the compressor seized up?

The compressor made violent harsh noises, the electromagnetic clutch was burnt, the load of the variable displacement compressor was broken, and it could not operate normally.

Why the compressor seized up?

1,Compressor quality is not good.

2,There are Impurities in the system

3,The system lacks oil or does not return smoothly

4,Lubricant oil is not working (need change new lubricant oil

How to repair it?

1,Before changing a new compressor,please remove filter,oil separator,expansion valve.

2,Then Using Nitrogen and air conditioner system cleanser to blow the refrigeration system.Such as condenser,evaporator ,pipe hose. 

3,Using Nitrogen to clean filter dryer,expansion valve..If it is possible,please change new filter dryer,new oil separator.

4,Add POE RL68H oil in the compressor,oil separator and add more 100ml in the system.(Based on truck refrigeration model and compressor model.

How to avoid it?

1,Choose high quality compressor

2,Choose high quality Lubricant oil

3,Regularly inspect and maintain the refrigeration unit

4, Replace or replenish new refrigerating oil in time to ensure good lubrication