First, all types of agricultural machinery should be operated according to the guidelines in the user manual. Before use, perform essential maintenance tasks such as cleaning, lubrication, adjustment, and tightening to ensure the equipment is in optimal technical condition before starting operations.
Second, maintaining the lubrication system of power machinery—such as tractors and diesel engines—is crucial. In addition to using lubricating oil that meets the required standards, it's important to strictly follow the maintenance schedule and specifications for the lubrication system. Regularly clean the system and replace filter components to minimize wear and extend the machine’s lifespan.
Third, during early spring, temperature fluctuations can be unpredictable, so proper use of the cooling system is essential:
(1) Continue with anti-freezing measures. If the temperature drops below freezing at night and antifreeze is not used, drain the cooling water to prevent freezing and potential damage to the engine block.
(2) When starting the machine in low temperatures, a warm-up period should be implemented to allow the engine to reach a stable operating temperature.
(3) Monitor the engine’s operating temperature. Only operate the engine without load once the coolant temperature reaches 40°C or higher. Begin loading when the temperature rises to 60°C or above. Maintain a normal working temperature between 80°C and 95°C to reduce unnecessary engine wear.
Fourth, when performing operations like rotary tilling, sowing, or irrigation with a tractor, always follow the operating procedures to ensure safe and efficient production.
First, fuel economy is critical. Most agricultural machinery uses diesel engines, making diesel purification an essential step. There are three main methods to purify diesel:
1. Allow purchased diesel to settle for more than 96 hours before adding it to the tank through a filter with a layer of silk cloth. When taking fuel from a drum, wrap the filter with silk cloth or wax paper and clean or replace it regularly. Imported equipment should have diesel settled for 96 hours, filtered in three stages, and floated before use. Fill the fuel tank at night to prevent condensation from moisture.
Second, ensuring clean and standard-compliant lubricating oil is vital. Regularly inspect and clean the oil filter elements. For rotor-type filters, attach a suitable piece of kraft paper to help trap dirt through centrifugal force. Clean the filter by blowing air from the inside out with an air pump, then brush off any remaining debris. Never touch the filter element directly with your hands. Always use the recommended lubricant and avoid mixing different types.
Third, clean air intake is essential. Each cylinder draws in 2–4 cubic meters of air per minute. To ensure the air entering the engine is free of contaminants, regularly inspect and clean the air filter.
Fourth, maintain clean cooling water. The engine cooling system is typically open, so it’s best to use soft water—such as rainwater, snowmelt, or treated tap water. Clean the cooling system by adding 1% caustic soda and 0.5% kerosene per volume of water.
Finally, keep the implements clean. Agricultural machinery is often used outdoors, where it comes into contact with dust, mud, and water. The body of the machine is prone to dirt and rust. Regular cleaning is necessary to prevent corrosion, and if needed, repaint the surface to protect it from further damage.
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