How to do the daily maintenance and maintenance of the loader

Purpose of Preventive Maintenance of Loaders
1. Through the follow-up inspection of the loader operation, stop the machine in a planned way, and make arrangements for the maintenance and repair of the gearbox.
2. Prevent major mechanical failures and related parts damage, and repair them before failures germinate to save a lot of maintenance costs.
3. Make the parts of the whole machine have a longer service life, improve the efficiency of the equipment and maintain a good working performance.
4. Reduce maintenance difficulty and workload.
Loader maintenance matters needing attention
1. Master the operating specifications of the loader
For loader operators, they should master the operation skills of the equipment, operate the loader correctly in accordance with the safety technical specifications, and truly achieve "three understandings" (understanding of structure, principle, and performance), "four meetings" (knowing how to use , will be maintained, inspected, and general faults will be eliminated). Not only must you be able to open the equipment, but also know how to check and maintain the equipment, so as to ensure a longer service life of the loader.
2. Reduce the impact of the environment on the loader
There are many users who ignore the impact of environmental climate on the life of the loader. It is well known that most of the construction machinery and equipment are operated in the open air. According to the different projects, the working location will also change, and the equipment is easily affected by the temperature, environment, climate and other factors of the site. If it is a machine that works on a fixed site for a long time, it is best to have a shutdown room (shed), or use an upper cover to reduce the damage caused by the sun and rain as much as possible. Therefore, corresponding machine protection measures should be taken according to the climatic environment.
3. Don't neglect maintenance because of tight schedule
The construction unit should not ignore the importance of maintenance because of the tight construction period, ignore the maintenance of construction machinery, and mistakenly believe that as long as the equipment runs normally without major failures, you can rest easy; The occurrence of many major accidents is accumulated over time, and it is too late when an accident really occurs. Therefore, the maintenance of the loader cannot be forgotten in order to rush the project.
4. Use appropriate maintenance methods
You can't wait to repair the loader when it has to be repaired. When you find a fault, you should troubleshoot it in time for maintenance. The maintenance practice can adopt the following methods: First, parts are transposed. Many parts on construction machinery, such as bulldozers, excavator track pins, diesel engine cylinder liners, etc., often bear one-way load during operation, resulting in uneven wear and tear, The service life of parts that are subjected to uneven loads can be extended if they are replaced in a timely manner so that they wear evenly. Second, using advanced brush plating and adhesive repair technology, it can also repair failed parts quickly and at low cost, such as wear-resistant surfacing, sprayed diamond plating, magnetic plating, laser plating, etc.
5. Use qualified accessories and oil
When repairing the loader, the replacement of spare parts cannot be cheap, and the replacement of inferior parts is very harmful to the equipment, and the probability of failure in the later stage will increase. In addition, when replacing oil, hydraulic oil, gear oil and other oil products, it is also necessary to choose oil products suitable for the model of the loader, and cannot replace low-quality oil products with low prices.
Loader Forklift Diesel Engine
What are the reasons for often flushing cylinder head gaskets?
The cylinder head gasket is burnt by the high temperature gas in the cylinder, which is called "cylinder head gasket", also known as "burning cylinder head gasket".
After the diesel engine is flushed with the cylinder head gasket, abnormal phenomena such as "bubbling" in the water tank, water in the oil pan, oil emulsification, and exhaust pipe drainage (white smoke) generally occur. The main reasons for the flushing gasket are:
(1) Deformation of the cylinder head
The cylinder head is thermally deformed due to the alternating action of high temperature and high pressure gas for a long time; improper disassembly and assembly (not disassembled and assembled in sequence) will also cause deformation. After the cylinder head is deformed, the raised part can not be pressed tightly against the cylinder head gasket, causing high temperature gas leakage and burning the cylinder head gasket.
(2) The heights of cylinder liner bosses are different, causing individual cylinders to be loosely sealed.
In order to press the cylinder liner and cylinder head gasket on the cylinder block and maintain good sealing performance, it is generally required that the cylinder liner end face boss plane is higher than the cylinder block by a certain size (usually 0.05 ~ 0.12mm), the same diesel engine (or the same cylinder The difference between the two cylinders under the cover) of the cylinder liner protrusion is also specified (usually 0.05mm).
If it exceeds the specified value, it may cause insufficient sealing pressure, so that high-pressure and high-temperature gas escapes and damages the cylinder gasket.
⑶ The cylinder head bolts are loose or the tightening torque is not enough
When the diesel engine leaves the factory, the operation and maintenance instructions provided by the manufacturer have clear requirements for the torque of the cylinder head fastening bolts. During maintenance, the cylinder head should be tightened in strict accordance with the specified time and method.
⑷The assembly method of the cylinder head gasket is incorrect or the quality of the cylinder head gasket is poor.
⑸The machine does not work well, and the overheating causes the cylinder head gasket.