The camshaft of the diesel generator is mainly composed of intake cam, exhaust cam, camshaft journal and other components, and is an important driving component in the valve distribution mechanism. The main function of the camshaft of the diesel generator is to open and close the intake valve and exhaust valve regularly according to the requirements of the diesel generator during operation.
The center of the camshaft of the diesel generator is drilled with an oil hole and connected with the journal hole to ensure that the journal surface of the diesel generator is lubricated. There are two cams between two adjacent journals, namely the intake cam and exhaust cam of the diesel generator.
The cams and camshafts of diesel generator are usually made into a whole. In order to reduce friction and wear, the working surfaces of the cams and camshafts of diesel generator are carburized, quenched or nitrided and polished. The camshaft of diesel generator is generally not easy to be damaged under normal conditions, but if the diesel generator has been operating for a long time or has been operating under overload for a long time, the camshaft of diesel generator is easy to be damaged.
With the expansion of the application scope of Tongchai diesel generator sets, more and more customers begin to use Tongchai diesel generator sets. Due to the improper operation of some of these users, many failures of Tongchai diesel generator sets that were less likely to occur before began to occur frequently.
Recently, Starlight received several customer helplines. Through careful understanding, Starlight found that the bearing bush of Tongchai diesel generator set was overloaded.
Before you carry out the repair of the bearing shells, the first thing you need to do is to carry out a careful maintenance process. Generally speaking, the overload of the motor bearing bush of Tongchai diesel generator set is mainly due to the temperature rise. When overloading occurs, the oil film inside the machine will be destroyed, and at this time, the shaft and the metal on the tile surface will have close contact, resulting in high temperatures. At this time, Tongchai diesel generator set fault handling mainly follows the following steps:
1. Carefully replace the motor bearing bush of Tongchai diesel generator set.
2. After the position of bearing bush of Tongchai diesel generator set is adjusted, the coupling position of Tongchai diesel generator set needs to be aligned and adjusted. The adjustment standard is that the end face and outer circle runout must be controlled within 0.05 mm.
3. Thoroughly clean the motor bearing bush of Tongchai diesel generator set to ensure that there is no residue inside.
For the operators of Tongchai diesel generator set, especially those who have little experience, when using Tongchai diesel generator set, they must strictly follow the operating procedures and standards, otherwise they are prone to failure. In case of failure, inexperienced customers should not repair by themselves, but should consult Starlight in time to avoid aggravating the failure of Tongchai diesel generator set.
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