The rotary cultivator is an agricultural tool designed to work in conjunction with a tractor. It is available in two main types: the walking-type (commonly known as a hand-drag) and the wheel-type (referred to as a wheel-drag), which supports the rotary cultivator. Compared to traditional plowing methods, rotary cultivation offers several advantages, such as improved soil structure, better adaptability to different soil types, and higher operational efficiency. In both northern and southern regions of China, whether in rice paddies or dry fields, rotary cultivators are widely used and play a crucial role in modern farming equipment.
When purchasing a rotary cultivator, it's essential to choose a model that suits your local conditions and existing machinery. Before making a purchase, always check if the product has passed quality inspections and avoid buying "three-no" products—those without a certificate, production license, or inspection qualification. Inspect the machine’s appearance for any signs of damage, such as peeling paint or rough edges. If possible, run the machine empty for a few minutes to listen for unusual noises, check for overheating bearings, and ensure smooth operation.
Before using the rotary cultivator, carefully read the safety instructions provided in the user manual. Understanding the potential risks will help prevent accidents. Always follow the manufacturer’s guidelines when operating the machine. Prior to each use, make sure the gear box is properly lubricated, the bearings are greased, and all bolts are tightened. If you hear strange sounds during operation, stop immediately and inspect the machine to address any issues before continuing.
When using a walking tractor with a rotary cultivator, never pull or lift the machine while it is still running. Always turn off the engine before moving the machine across uneven terrain. For wheel-type models, ensure the machine is turned off before crossing higher ground to avoid damage.
Regular maintenance is key to ensuring the longevity and performance of a rotary cultivator. The principle of “prevention first, maintenance and repair†should guide its upkeep. Maintenance is typically divided into daily and quarterly tasks. After each working session, perform the following checks:
1. Tighten all connecting bolts.
2. Inspect wear-and-tear parts like pins and split pins, replacing them when necessary.
3. Check the gear box, bearings, and other components for oil levels and top up if needed.
At the end of each quarter, carry out more thorough maintenance, including:
1. Cleaning the machine thoroughly to remove dirt and grease.
2. Replacing old oil and grease completely.
3. Checking the blades for excessive wear and replacing them if required.
4. Inspecting the housing, trays, and other parts for deformation and repairing or replacing them as needed.
5. Painting any rusted areas and applying protective oil to shafts and splines to prevent corrosion.
6. If the machine will not be used for an extended period, store the wheel-type model on level ground and avoid hanging it from the tractor.
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