Various kinds of failures will occur during the use of small refrigerated trucks. We must know something about the common failures of small refrigerated trucks. Only in this way can we troubleshoot the first time and ensure the normal operation of small refrigerated trucks. The following is an analysis of several common faults of small refrigerated trucks:
1.Too much oil: too much oil in the compressor will cause suction pressure lower than normal, and cooling capacity decline.
2. Moisture symptoms in the truck refrigeration system: The expansion valve is frozen and not refrigerated. In this case, the expansion valve can usually be heated by hand or a hot towel, and then the valve is opened to be fixed and installed in the same way. Evacuate the system and install a new desiccant.
3. Improper belt tightness: if the belt is loose, the compressor will run at an inappropriate speed, resulting in equipment performance degradation. On the contrary, the belt is too tight, which will add additional burden to the bearing and make the bearing wear faster.
4.Service life of the compressor: during operation, if there is insufficient oil in the food transport refrigeration,Or long distance transportation, the temperature in the box is very low, and the running speed of the compressor is very high, will shorten the life of the compressor, so when the temperature in the box is very low, please avoid continuous high-speed operation.
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