The use of straw return machines plays a crucial role in improving soil health and enhancing agricultural productivity. By incorporating crop residues back into the soil, these machines help increase organic matter, improve soil fertility, and support long-term yield stability. To ensure safe and efficient operation, it is essential to follow proper procedures and maintenance practices. Here are key points to consider when using a straw returning machine:
Before starting the machine, conduct a thorough inspection of all components. Check that all connections are secure, fasteners are tight, and rotating parts move smoothly. Examine the tool holder and blades for any signs of damage, deformation, or wear, and repair or replace them as needed. Ensure that the V-belt tension is properly adjusted and that all lubrication points are adequately greased. Once everything is set, run the machine for 3–5 minutes at idle to confirm smooth operation before beginning work.
During operation, adjust the tractor’s suspension rods so that the machine remains level on all sides. Properly set the depth limiter wheel to maintain an appropriate stubble height and prevent the blade from digging too deep into the ground. Adjust your speed based on crop density, moisture levels, and soil conditions. Monitor the belt tension regularly and make adjustments if necessary. When connecting the power take-off (PTO), start at a low speed and gradually increase to the rated speed before engaging the machine. Avoid overloading the unit or operating it too quickly, as this can cause mechanical damage. Never allow unauthorized personnel near the machine, and always disconnect power when moving between fields.
After completing the task, clean all rotating parts and remove any soil buildup from the machine’s interior. Inspect and tighten fasteners, and reapply grease to all lubrication points. If the machine will not be used for an extended period, apply anti-corrosion treatment to exposed surfaces. Store the blades in a dry, well-ventilated area, preferably in an oil-coated condition. If stored outdoors, ensure protection from rain and direct sunlight.
Common issues may arise during operation. Poor crushing quality can result from a loose drive belt, worn or damaged blades, excessive forward speed, heavy load, or reversed blade rotation. Adjust or replace the affected parts accordingly. A blocked feeding inlet often occurs when crops are too dense or the machine moves too fast—reduce the workload or slow down the speed. Strong vibrations may indicate loose bolts, misaligned yoke forks, or damaged bearings, which should be checked and fixed based on inspection results. Severe belt wear can be caused by incorrect tension, mismatched belt length, heavy loads, or blade contact with the ground. Adjust the belt tension and check for other potential causes during routine maintenance.
By following these guidelines, operators can maximize the performance and lifespan of their straw returning machines while ensuring safety and efficiency in the field.
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