The maintance of SCR after treatment system

Let’s talk about how to maintanted the SCR aftertreatment system.

1When the Preassure of urea dosing pump build up show some abnormal;

Except we need to check the circuit of the urea dosing pipe; We also need to Examine whether the filter screen of the Urea dosing pipe have been blocked; so that we can do the necesarily clean or exchange.

2 The Examine of the entrance’s Tightness of SCR system:

If the tighthess of entrance for SCR system is breaked, we need to take apart the seal on the entrance and exchange a new one.

3The Urea fulid in the urea dosing tank is not enough qualified

We need put out the plug and flow out the rest of the fulid in the urea dosing tank, and clean the urea dosing tank then input the good quality urea fulid.

4 Oil gas separator need to be examine and exchange regularly.

5 the Examination of the circuit of urea fulid in the SCR system

As we examine the circuit of the urea fulid in the SCR system we need the make sure the fill port and the related fill device clean, otherwise it we cause some impurity like the dust come into the urea fulid and lead blocked or perished when we add the urea fulid into the tank.as well causing the polluted of the urea fulid.