Due to long-term operation of the compressor, cylinder liners and piston rings and other components due to serious wear, the matching gap increases, the sealing performance will decrease accordingly, the compressor's air transmission coefficient will also decrease, and the refrigeration capacity will be reduced. When the cooling capacity is less than the heat load of the warehouse, it will cause the temperature of the warehouse to drop slowly.
Solution: The refrigeration capacity of the compressor can be roughly judged by observing the suction and exhaust pressure of the compressor. If the cooling capacity of the compressor decreases, the commonly used method is to replace the cylinder liner and piston ring of the compressor, if it still cannot be effective after replacement, other factors should be considered, and even disassembled for maintenance, eliminate fault factors.
