Rotary cultivators are agricultural machines that are used in conjunction with tractors to complete ploughing operations. The correct use and adjustment of rotary cultivators is very important for maintaining good technical conditions and ensuring the quality of farming. Use caution When starting the unit, the power output shaft power should be engaged first, then the working gear should be hung, the clutch should be slowly engaged, and the hydraulic lifting handle or lifting device should be operated at the same time so that the rotary cultivator blade will gradually enter the earth and then the throttle will be increased until the normal tilling depth. It is absolutely forbidden to suddenly combine the power of the rotary tiller on the ground, or to plung the rotary tiller into the soil. Otherwise, the blade and the cutter shaft will be subjected to an impact load and damage to the rotary tiller and the tractor transmission member will be caused. During operation, listen carefully to the noise and metal noise of each working part. If there is any, you should immediately stop and check and troubleshoot before proceeding. When the rotary tillage is too deep, the soil is heavy or hard, the tractor is black smoked and accompanied by slipping phenomenon, the tillage depth should be reduced or the tillage width should be reduced or hung low. When turning, the throttle should be reduced. The tail wheel and the steering clutch must cooperate with each other and proceed slowly. It is forbidden to make a sharp turn to prevent damage to the relevant parts. When turning or reversing a wheeled tractor, the rotary cultivator should be raised to prevent the blade from being twisted and the knife shaft from being damaged. When crossing the ditch, the operating handle of the rotary cultivator should be placed in a separate position to prevent the rear of the tractor from being suddenly tilted and the blade hurt. Remove the wrapper around the cutter shaft and the blade in time to avoid damaging the cutter shaft and affecting the tillage depth. Always turn off the engine when clearing the grass. When the universal joint works, the two ends shall be close to horizontal, and the included angle shall not be greater than 10 degrees. When the working condition is elevated, the included angle shall not be greater than 30 degrees, and the rotation speed shall be reduced to prevent damage to the universal joint transmission shaft assembly. During operation, it is forbidden to stand behind the rotary cultivator and on the machine to prevent danger. After every 3-4 hours of work, check the blade for looseness and deformation. Abnormalities should be tightened or replaced in a timely manner. When checking and troubleshooting, the engine must be turned off to ensure personal safety. When the field is transferred, the rotary cultivator should be raised and the power output shaft power should be cut off. If the transfer distance is large, use the locking device to fix the rotary cultivator in a certain position, or remove the universal joint transfer. When parking, the rotary cultivator should be grounded, and suspension and parking are strictly prohibited. When long-term storage is required after the maintenance operation is finished, the outside dirt and grass of the rotary tiller should be removed and cleaned, the gear oil inside the transmission box should be replaced, and the lubricated parts should be lubricated; the blades, universal joints and oil should be removed. Placed in the room; oiled and rust-proofed on other exposed working parts, damaged parts repaired or replaced in time, and then lift up the rotary cultivator, stored in dark, sheltered from rain, ventilated and dry place. Be careful when handling Rotary cultivator lifting should not be too high. As a result of the excessive lifting, the universal joints will be spoiled, and parts will be damaged due to collisions between the suspension chain of the down draw bar and the drive shaft of the universal joint. When the tractor PTO shaft is engaged, the rotary cultivator cannot be raised too high, ie the inclination of the joint shaft cannot be too large and must be engaged after the clutch is completely disengaged. For split hydraulic systems, the rotary cultivator depth applies cylinder positioning valves and positioning clamps to control the dispenser. The handles of the distributor should be placed in a floating position and not in a neutral position during farming. If the rotary cultivator is stopped by the wrapper during the operation, the pedal cannot be forced to rotate. Otherwise, the foot is easily injured. When the rotary cultivator is in operation, people are prohibited behind the machine and above the machine to prevent accidents. 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Operating rotary cultivator should pay attention to