Excavator cylinder pad is always bad? This knowledge must be understood

[BONOVO]

If there is ablative damage to the cylinder pad of the excavator, there will usually be air leakage and water leakage. If it is a minor damage will lead to high water temperature, difficult to start the car, less water tank. If it is serious, it will be difficult to start the excavator, or even the engine cylinder.

Many masters do not know how to judge this situation, and today I will share with you some knowledge about the failure of the cylinder pad.

Function and influence of cylinder pad

The cylinder pad is mainly a sealing pad between the cylinder head and the body joint surface, which is used to fill the microscopic pores on the joint surface to ensure that the cylinder head and the cylinder block are sealed.

Because the cylinder pad is located in direct contact with high temperature and high pressure gas, it is very easy to damage. Damage to the cylinder pad will cause a sharp deterioration in the working condition of the engine, and in serious cases, the cylinder head of the excavatormay melt, or the parts may be damaged.

Fault phenomenon

1, cylinder pad damage will cause the engine in the work of sudden power drop, the engine body shake phenomenon. Turn off and restart the car is not good, and the idle speed is very unstable.

2, the engine water temperature suddenly rises, the coolant consumption is too large, the exhaust pipe white smoke. There are bubbles in the water inside the oil and there is a serious emulsification phenomenon, the coolant enters the cylinder block, and the engine cannot start.

Fault cause analysis

1, the cylinder pad quality is poor, in the selection of the cylinder pad and did not choose the original authentic accessories, resulting in cylinder pad damage.

2. When replacing or installing the cylinder pad, the cylinder pad is not flat on the fitting surface of the cylinder head and cylinder body, resulting in a loose seal.

3, if the excavatoris often overloaded, the engine is abnormal overheating, or knock and other phenomena, will lead to cylinder pad ablation damage

4, the improper operation of the driver will also lead to the damage of the cylinder pad, which will be aggravated by the habit of violently refueling the door or making the engine run at high speed for a long time.

Double guarantee for the excavatorand the driver

Maintenance precautions

1, replace the cylinder pad must choose genuine, qualified cylinder pad to avoid damage to the cylinder pad due to the quality of the parts.

2, disassembly and replacement, to clean the cylinder head and cylinder body surface debris, check whether the cylinder head and cylinder body surface is flat, to avoid dirt or cylinder body uneven caused by cylinder gasket seal failure.

3. Before replacing the cylinder pad, ensure that the excavatoris completely cooled to avoid deformation of the cylinder head due to high temperature disassembly.

4, the driver must pay attention to avoid the overload operation of the engine for a long time in peacetime operation, reduce the heavy fuel door, and reduce the pressure in the engine cylinder.

Sum up

The cylinder pad on the engine often works under the severe conditions of high temperature, high pressure and high speed relative movement, so the cylinder pad and related parts are easy to ablate and wear.

In order to make the engine often work in a good technical state and extend its service life, the excavator forklift ring reminds you that the excavator must be used reasonably and maintained correctly.

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