1. Before use, check whether the fastening bolts and nuts are loose, especially the square shaft nuts must be tightened.
2. The thickness of the two cutting edges should be less than 05mm, the length of the edge defect should be less than 15mm, the defects on one rake blade should not exceed three, and the square shaft should be straight and without defects.
3. The nut at the end of the square shaft should be tightened and locked, and the blade should not have any shaking, otherwise the inner hole of the rake blade will gnaw the square shaft round.
4. During the operation, it is strictly forbidden to repair, inspect and adjust. The tractor is not allowed to make sharp turns during the operation with rake, and the towing rake is not allowed to reverse.
5. During the operation, the appropriate raking method should be selected according to the soil quality, plot size, shape and agricultural technical requirements, etc. The commonly used methods are: back-shaped raking method, which is suitable for raking instead of ploughing or shallow ploughing to eliminate stubble; The raking method is suitable for raking the field after ploughing.
