Chiller half-seal screw 10D22, 11C30 overhaul

‌ Iceberg cold and hot half seal screw is mainly used in chiller, common are LSBLG10D22, LSF2BLG11C30, LSBLG11C2, LSBLG11C3, LSBLG11C5.Corresponding to 2 heads, 3 heads, 5 heads。Working condition: cold water outlet temperature: 4-12℃, oil temperature is less than 70℃。The unit consists of a semi-sealed refrigeration compressor, condenser, evaporator, filter dryer, thermal expansion valve (Danvers), electric control cabinet and connecting pipes。We undertake the above compressor overhaul and unit maintenance。

Case maintenance picture from Jiusan Huikang Food Company, corresponding to the provincial Education hotel, both use iceberg chillers for air conditioning and production of low-temperature water systems

Unit overhaul process: close the corresponding valve, safely release the residual refrigerant, and disassemble the corresponding valve

Remove motor

Remove other components

继续----

Rotor bearing disassembly (hot oil method)

Grind and polish the rotor

Installation process

Installation process

The other processes are the same as the commissioning of the refrigeration system and will not be described again。Customers who need to overhaul 10D22 and 11C30 can contact us。The reference time is based on the operating life of the bearing, and other maintenance is referred to the iceberg manual。