Warning. Although the O-rings may look the same on the outside, only use the O-rings that are recommended for air conditioning systems. Otherwise, there may be a refrigerant leak in the connection.
Install new O-rings from the air conditioner repair kits every time the joints are disassembled, except when the O-rings are supplied with new parts.
When replacing an O-ring in a disassemblable joint, carefully determine the fitting design to ensure the correct O-ring type and size is selected.
Before installation, make sure that neither the O-ring A nor the fitting B are damaged or deformed. Deformed or damaged parts must be replaced. When installing new O-rings, be sure to lubricate them with air conditioning compressor oil.
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Tighten the threaded connections of the pipelines with the recommended torque. Weak or excessively strong tightening leads to deformation of the sealing surfaces and leakage of the refrigerant. Failure to follow the recommendations for removing and installing system components may lead to leakage of the refrigerant during operation of the air conditioner.