Shantui maintenance knowledge | Excavator aftertreatment use and maintenance instructions

Instructions for use and maintenance of Excavator aftertreatment

#About post-processing，You must pay attention to these points.#

On December 1, 2022, the state introduced the fourth national emission regulation for non-Road Machinery.，Now the Shantui Excavator has been equipped with an engine aftertreatment device.。Service and maintenance of these aftertreatment devices，How much do you know?，Please come and have a look with me.。

About the engine

The function of engine after-treatment equipment is to reduce the exhaust gas and capture particulate matter.，So that that content of the particulate Matt in the tail gas is reduced。Its use and maintenance need to pay attention to the following points.：

01. Be sure to use satisfyGB19147 standard fuel oil（Sulfur content＜10ppm），Inferior fuel can cause aftertreatment poisoning，Frequent alarm and other faults。

02. Be sure to use theCKStandard engine oil，Original engine oil is recommended.。

03. At the time of post-treatment regeneration，Exhaust temperature is high，Keep the machine away from flammable and explosive areas.。

04. The machine is running，The system will perform regeneration service according to the particulate matter content value in the after-treatment device.，Follow the machine prompts to operate normally.。

About the urea tank

The function of the urea tank is to store and deliver urea solution.，Reacting with tail gas to reduceNOxThe production of。Attention shall be paid to the following points for the use and maintenance of urea tank:

01.  Be sure to use satisfyGB29518 standard urea solution（32.5%±0.7%），Original urea is recommended.。

02.  The urea sensor will alarm and record the urea usage，Engine torque is limited at low fluid level。

03. Use of unqualified urea will clog the urea nozzle.，Worn urea pump，Cause urea to crystallize。

04. Replace the urea filter element in time，Regularly clean the urea tank and urea pump，Ensure system cleanliness。

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