Maintenance refrigerated truck refrigeration unit

 First, put the air 1) high temperature should be in the parking system, cryogenic system is best at runtime 2) the specific operation to be careful, plugs do not open too much, but also not far from the scene 3) air operation should be carried out several times , not a deflate too much, so as not to release excess refrigerant second refueling 1) Connect one end of the fuel filler tube inlet end of the compressor fuel valve, slightly open fuel valve, use the air pressure in the system within the filler pipe discharge, and the other end into the oil drum. 2) appropriate system off small refrigerant supply valve, and adjust the inspiratory pressure alarm settings, so as to avoid low pressure and stop. 3) When the suction pressure below atmospheric pressure, open the fuel valve, the oil will automatically enter the compressor. Third, the refrigerant supplement 1) one end of the tube and fluoride fluoride port connected to the system, and the other end is connected with a fluorine bottle, air expelled from the tube by adding 2-fluoro-hose) first When you open the bottle valve fluorine, and then, after confirming that no leakage of fluorine plus valve at the outlet 3) R23 systems should bottle up, and R404A system should bottle down, in order to ensure rapid and fluoride 4) plus the end of fluorine should be shut down valve fluorine bottle, then close the valve Hubei fluoride mouth Wenyu Trade Co., Ltd. Sales Manager: Yang National Sales Hotline: 139-0728-5251 Fax: 0719-8310831 Advisory QQ: 806368125 Address : Shiyan Economic and Technological Development Zone Industrial Park Dragon Tel: 0719-8255383, you are welcome to inquire!