How to maintain ammonia pump in cold weather?
1, ammonia water pump in winter, after the pump stops running, the water storage part of the pump and pipeline should be released to avoid freezing crack of the water pipe or pump body after the temperature drops, and external dirt and dust should be cleaned.
2. After that, regularly check the impeller, bearing, sealing ring, check valve and other vulnerable parts of the water pump. If serious wear or rust spots are found on the surface of iron castings, they should be updated in time, then cleaned with gasoline, buttered and reassembled.
3, ammonia pump cavity, fittings and other iron castings, the application of steel wire brush will rust brush clean, and then coated with antirust paint, dry in a ventilated place.
4. Afterwards, clean the removed screws with diesel oil, coat them with engine oil, and then reinstall them or put them into plastic sheets to prevent corrosion or loss.