After purchasing the milling machine, the customer will inevitably consume and wear during continuous use. In order to extend the service life of the machine, proper operation and proper maintenance are necessary. Here, some maintenance experience of the milling machine is specially Share it with everyone.
1. First of all, the machine must be operated by a professional and carefully read the operation manual;
2. The main working part of the machine is composed of milling cutters, bearings, gaskets and milling drums. Due to the long-term friction with the road surface during operation, the fastest consumption is also this part. Regular replacement and inspection can better extend the machine. Service life
3. The milling cutter shaft should be inspected daily. If the groove milled above exceeds 25% of the diameter of the cutter shaft, it must be replaced. In general, the life of the cutter shaft is half the life of the tungsten steel milling cutter. In terms of square area, its life is about 350-500 square meters when the milling depth is 5mm. However, please be aware that there are many factors that affect the life of the cutter shaft, so check it daily.
4. For safety reasons, the engine spark plug should be unplugged before maintenance, preferably by qualified mechanics;
5. Check the oil level before each operation, and clean the air filter after use;
6. After 4 hours of use, grease the bearing. When grease is applied, turn the milling drum while hitting to apply grease to the entire bearing;
7. Check the machine with the naked eye before each operation: Are all the fasteners tightened? Are there any obvious wear or cracking of the parts? Is the oil supply circuit intact? Check the bearings and check whether the protective covers are covered;
8. Check the belt tightness before each operation. The new belt should be re-adjusted after 4 hours of operation. The proper belt tension must be maintained to transfer the output horsepower of the engine to the milling drum. When the belt is too tight, it will wear easily and shorten the life of the bearing. If there are broken marks and severely worn belts, they should be replaced immediately;
9. In general, milling cutter cracking is very rare. If it occurs, it usually states the following: a: the milling cutter on the milling drum is irregularly arranged; b: the single milling is too deep; c: using the improper milling Knife to remove different types of pavement; d: the strength of the milling surface is too large;
10. Check the milling cutter shaft and bearing each time you change the milling cutter arrangement. If there is a worn groove on the shaft, it needs to be replaced with a new one. When changing the shaft, the bearing should be replaced at the same time;
11. If the milling drum is properly maintained, it can usually be used for 3 months. In the case of more milling cutters or maintenance, check the center shaft of the milling drum for cracks, whether the sleeve hole becomes elliptical, whether there is a crack at the weld, and if any damage is found, the new drum must be replaced;
12. Finally, when you want to check the milling drum at the bottom of the milling machine, be aware that the machine must tip over and never turn backwards, otherwise the oil will pour into the engine cylinders.
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