What does injector cleaning mean in practice?
The small section nozzle and throat must be free of sand, iron and salt to produce the design vacuum.
When does it matter?
Reaming the hole changes the suction characteristics and may permanently disturb the amount of regenerant.
Which solutions are related to it?
The element is removed after the pressure is cut off, rinsed with a soft tool and assembled with appropriate seals and a strainer.