Garbage truck cylinder repair method Because garbage trucks travel in harsh environments, they are often prone to problems. It is an annoying thing to get a garbage truck broken. First, Pistons 1. The piston pin retainer is not installed or detached and is broken so that it can be pulled out during movement. It is also extremely easy to pull the cylinder wall. 2. The piston has more carbon deposits. Too much carbon deposit will cause the piston ring to stick or bite in the bad groove. Because the carbon deposit is hard abrasive, it will form a groove in the cylinder wall of the engine. 3. The opening clearance, side clearance, and back clearance of the piston ring are too small. When the garbage truck engine is working, the piston ring is heated to expand, and then snapped. Therefore, excessive pressure on the cylinder wall can cause the piston ring to break or cause the cylinder to break. Wall strained. 4. The misalignment of the piston cylinder. Poor quality of the piston, or a large error in its size, and deformation caused during the assembly process will make the gap smaller, and the piston will seize due to thermal expansion, thereby pulling the cylinder wall. 5. Due to the bent and twisted deformation of the garbage truck connecting rod. The parallelism and coaxiality of the piston pin seat are greatly deviated, and the phenomenon of eccentric cylinder is more serious. Finally, the wear of the piston ring, piston and cylinder wall is accelerated, and the formation of the oil film is damaged. Second, cylinder liner On the one hand, the cylinder liner is excessively worn, which reduces the seal between the piston and the cylinder liner. Part of the high-temperature gas slammed down from the cylinder, causing damage to the oil film between the piston and the cylinder, resulting in a cylinder accident. On the other hand, the cylinder is deformed during assembly. Can easily lead to cylinder accidents. Baby neck ring is a swimming practice ring specially designed for babies. During the period when the baby can't raise his head, use the swimming ring worn on the baby's neck. The height of the baby swimming pool is basically designed according to the height of the baby on the neck. The baby swimming ring is divided into different specifications such as S/M/L/XL. It is made of rubber, PVC and other materials, and has different shapes such as round, star, and animal.
XL: Above 8kg
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PVC is a new type of material. Compared with plastic, PVC Material has certain advantages, such as good gloss, good hand feeling, good comfort, firmness, and not easy to leak water. In addition, the double airbags basically used in baby swimming rings made of PVC material. , The design of four airbags basically does not have potential safety hazards.
Baby neck ring size tips:
S: 3-4 kg
M: 4-6 kg
L: 6-8 kg
May 14, 2023