Excavator engine carbon repair
Whether everyone will repair the excavator, but they are familiar with the valve. Don't look at this part is not big. Once the fault occurs, it will directly affect the engine. The most typical one is the engine excavator spare parts carbon deposit.
The following is a targeted case study of a recent valve seat wear failure!
After reading the above picture, I believe that everyone has an intuitive understanding of the fault:
1: It can be seen from the figure that the valve seat rings of 1, 2, and 3 cylinders have different degrees of wear, the 2 cylinders wear more, and the valve seat almost disappears.
2: The worn valve seat is the intake valve seat, and the exhaust valve seat has no obvious wear.
Knowledge points are popular:
1: The valve is a component that performs up and down reciprocation in the cylinder head to complete the intake and exhaust work.
2: The valve fits the valve seat in the cylinder head, which not only can reciprocate up and down, but also can rotate in a certain direction on the valve seat to achieve the effect of removing carbon deposits!
Excavator engine carbon deposition failure analysis:
1: In summary, the fault is caused by the continuous large amount of debris or dust impacting and wearing of the valve and the valve seat when the valve is rotating, causing the valve seat to wear until it disappears. 4\2: This fault is often accompanied by damage to the turbocharger intake impeller and debris entering the valve and valve seat assembly with the intake port. The damage of the turbocharger impeller and the improper maintenance of the air filter cause external dust to enter the intake passage.
3: So such faults are caused by the components related to the intake system turbocharger, improper air filter maintenance, and a large amount of foreign matter entering the intake.
Komatsu excavator spare parts engine carbon deposition fault handling method:
Replace worn valve seat and worn valves, and the valve and valve seat are ground and reassembled for troubleshooting.
to sum up:
Once the valve seat is worn, there will be different degrees of engine failure problems, so if you want to successfully avoid the fault and maintain good construction conditions, then the maintenance work of the excavator must not be slack, especially for the filter. Parts, replacement must be timely, in addition to pay attention to the use of quality assurance https://jnjmzm.wixsite.com/sdjygcjx
