1. Firstly, it is necessary to confirm whether the lubricating oil used is suitable for special gear racks. Not all lubricating oils are good for gear racks, so it is necessary to choose the appropriate lubricating oil;

2. To avoid excessive lubricating oil accumulation and blockage, simply apply oil to the key parts of the rack. After oiling, it can reduce the wear and noise of the rack during operation;

3. Only a small amount of lubricating oil is needed to prevent rust in other positions of the special gear rack;

4. When oiling special gear racks, it is impossible to do so * *, so before finishing, wipe off the excess lubricating oil on the surface of the gear racks;

5. As for a variable speed car, it is equally important to pay attention to the rear variable speed pulley, gears, and flywheel. Using the same principles to maintain and lubricate these parts;

6. After lubricating the gear rack with oil, use a dry cloth to wipe off the excess oil on the gear rack to avoid the adhesion of dirt and dust;

7. After cleaning, wiping, or solvent cleaning the special gear rack, be sure to add lubricating oil;

8. Before applying lubricating oil, ensure that the special gear rack is dry and do not apply lubricating oil to the gear rack after rain;

9. Apply lubricating oil to the rack bearing area and let it become viscous or dry.