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[Lovol Class] Daily Maintenance and Use of the Fourth National Engine!

August 28, 2023

For energy conservation and emission reduction

Construction machinery industry implements the fourth national emission standard

So let's talk about this article.

Daily maintenance and use of the fourth national engine.~

01

Inspection and precautions for maintenance parts

1.Oil and filter

Check the level and quality of the engine oil regularly,Ensure that the oil is at the standard level,Change the oil and oil filter according to the service interval specified by the manufacturer.。

2.Check the air filter

Clean or replace the air filter regularly,To ensure that the engine gets enough fresh air.,And that combustion efficiency is improve。

3.Keep the cooling system unblocked

Make sure there is enough coolant in the cooling system,Check the quality and concentration of the coolant regularly,Clean the heat sink,Prevent engine high temperature caused by poor heat dissipation effect of radiator。

4.Pay attention to fuel quality

Avoid the use of inferior fuel,Using high quality fuel will reduce carbon deposits and wear on the engine,Improve the service life of the engine,Sulphur content of fuel shall be selected<10ppm,The water content is less than 0.02%。

5.Regular maintenance

Carry out regular maintenance as recommended by the manufacturer,Remember to use the original parts.~

02

Daily precautions

1.Belts and chains

Regularly check the tension and wear of the engine drive belt and chain,Replace if necessary。

2.Storage and parking

When storing the Excavator,Turn off the engine and unplug the battery cable.,Avoid battery drain and accidents。

3.Avoid overload operation

Avoid long hours and high loads,Properly control the load of the Excavator,To reduce excessive wear on the engine。

4.Follow startup and shutdown procedure

Follow proper startup and shutdown procedures,Avoid prolonged idling or sudden flameout。

5.Deal with the fault in time

If any abnormal faults are found,The machine shall be shut down immediately、Check,And dial 400-8291-888 service hotline for repair,Prevent further expansion of the fault。

03

Use of urea

1.Urea pump filter element

It is recommended to replace the filter element of urea pump every 500 hours.,Maintain the filter element at the liquid inlet and return port,If inferior urea pump filter element is used,Damage to urea pump and urea nozzle,Cause the urea pump not to build pressure、Urea is not injected,Resulting in excessive emissions, etc.,Affect the service life of aftertreatment components。

2.Preservation of urea

Because urea is slightly corrosive,Plastic drums shall be used,Avoid direct sunlight。

3.Filling and concentration

Check the solution concentration before filling urea,The standard value is 32.5%(±1.5%),The freezing point is-11%。

4.What you need to know about filling

After the urea solution is unsealed, it is recommended to fill it at one time.,The urea tube is left with 10%Space,After filling, tighten the urea cap and fasten the dust cover.,Avoid the entry of impurities。

5.Liquid level observation

Observe the urea level of the instrument,Urea level is lower than 10%Time,It will give an alarm,Urea level is less than 5%Time,The system automatically limits the engine speed、Torque。

6.Mass Resolution of Urea

The urea solution is usually clear、Slight smell of ammonia,If it is found that it has gone bad and become stale,,It cannot be used,So as not to affect the machine performance.。

Note

Meaning

Things

Item

Be sure to use Lovol genuine oil and urea solution.!

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