1. Avoid connecting bolts with other materials instead of bolts. The connecting rod bolts are made of heat-treated chrome steel No. 40 and have high strength. If the bolts are made of ordinary bolts or general steel, it is easy to break and break the body. 2. The triangle belt avoids single change. The use of the V-belt drive, mostly multiple, requires the same old and new length and type so as to “work togetherâ€. If one of the rings is damaged, replace it all. If the old and new are used together, they will be very laborious and easily damaged. 3. Preparation of electrolyte solution bogey improper method. The electrolyte of the formulated battery can only be performed in acid-resistant glass or ceramic vessels. Distilled water is poured into the container first, then the sulfuric acid is poured slowly, and the glass rod is used for stirring while it is being poured. Distilled water must not be poured into sulfuric acid so as not to cause a strong chemical reaction and make sulfuric acid fly out of wounds. 4. Avoid pressing the steel rims tightly. The rims on the trailer wheels are used to secure the tires. When reassembling and reassembling, the embossed steel ring must be reliably embedded in the tank before the inner tube can be inflated. Otherwise, the rims can easily hurt and hurt when inflated. 5. Avoid scraping the old piston ring. Although the corners of the old piston rings are sharp, they are inaccurate with their scratches and will scratch the tiles. Wiper application scraper. 6. Avoid single-piece replacement roller. When one heavy wheel of a tractor trolley is damaged, the other piece corresponding to it must be replaced together. Otherwise, the trolley will be tilted due to the difference in height, which will accelerate the wear of the balance shaft and cause the balance arm to break. In the same way, when replacing the trolley, it is also necessary to change it at the same time, so as not to cause different levels, so that the frame is tilted and deformed. 7. Avoid applying grease to the cylinder pad. When installing the cylinder head, in order to make the cylinder seal well, some operators often apply grease to the cylinder pad in an attempt to maintain its cotton softness and eliminate the unevenness of the contact surface and bridge the gap. In fact, this will not help, because the butter will be squeezed immediately after being pressed, and it will be melted into the cylinder, but it will increase the carbon deposition. To make the cylinder seal well, when tightening the cylinder head screw, according to the specified sequence, the torque is uniform and up to standard; there is no dirt between the cylinder gasket and the contact surface of the cylinder head; the upper plane of the cylinder sleeve protrudes to meet the regulations, but The height is not too low; the cylinder pad is damaged or the cotton softness is replaced. 8. Injector to avoid asbestos rope. After the oil pad was placed on the cylinder head, the copper pad that was placed on it was damaged. Some people used the method of winding the asbestos rope instead. Although this can also be sealed, due to the poor thermal conductivity of the asbestos rope, it will make the thermal conductivity worse, resulting in the nozzle needle valve burned. Therefore, if the copper mat is broken, it should be flattened or replaced. Waist Support Belt,Waist Back Support Belt,Waist Support Band,Medical Waist Support Belt Hebei Dingli Medical Apparatus and Instrument Co., LTD , https://www.dinglimed.com