Buy agricultural transport vehicles
When farmers buy farm cars, they must first choose safe, reliable, high-performance, economical and practical models according to their economic capabilities and uses. At present, China's agricultural transport vehicle technology tends to be mature, and the quality of large-scale joint-stock systems and state-owned enterprises is relatively stable. It is necessary to purchase products of enterprises with good reputation and timely service.
Have a look, two listen, three test cars.
A look: see the shape is smooth, paint is good, the weld is even, no burrs, reliable connection, complete lamps and display safety signs, operation signs, mirrors are complete, the cab doors and windows must use safety glass, no leakage on the joint surface .
Second listening: After starting, listen to whether the diesel engine is running smoothly, whether the noise is very large, and whether there is abnormal noise.
Three test cars: the doors and windows of the cab are light and easy to open, and the doors and windows cannot be opened. The doors and windows are firm and reliable. The engine is easy to start and the gears are changed lightly. The clutches are reliable and completely separated. The steering is flexible and light, and the brakes are reliable. The hydraulic self-unloading mechanism is safe and reliable. The dump truck can stay in the working position.
Precautions during use: First of all, read and understand the product instruction manual, especially the safety operation requirements, fill the fuel, lubricating oil, hydraulic oil, coolant and other liquids according to the regulations, and carry out the vehicle running-in, maintenance and adjustment according to the running-in specifications. If the oil limiter is removed or the oil injection volume is increased, the pulley should not be replaced to increase the speed of the vehicle. Do not increase the volume of the compartment. Otherwise, overloading and overspeed may cause serious consequences.
Optional tractor
At present, agricultural tractors sold on the market include walking tractors, wheeled tractors and crawler tractors, while small four-wheel tractors are more commonly used. In recent years, small four-wheel tractors are mainly 15 horsepower (11.03 kW) and 18 horsepower (13.2 kW). There are two types of diesel engines installed on small four-wheel tractors: one is an evaporative water-cooled diesel engine, and the other is a circulating water-cooled diesel engine. Since the two types of diesel engines are different in structure and the parts cannot be interchanged, the type of diesel engine commonly used in the area should be selected when purchasing the tractor, which will be very important for future maintenance and repair.
First of all, you must choose a brand-name product. Since brand-name products are recognized by the public in long-term cooperation, they are recognized by authoritative departments, and their products are reliable in quality, advanced in performance, large in product coverage, and good in after-sales service.
Secondly, it is necessary to check the appearance from three aspects: 1. The outer shell paints evenly, can't have peeling and falling off, and the hand feels smooth and flat. 2. The surface of the casting should be flat and free of cracks. The surface of the plated parts should be bright and free of rust. The appearance of the sheet metal parts must be smooth. 3, the surface of the tire should be smooth, the pattern should be regular, no bubbling and cracking.
Third, check the safety guards and check if the safety warnings are complete. 1 Check the starting shaft head of the engine. The end of the shaft head cannot be higher than the plane of the engine casing. 2 Pulleys and belts must have a protective cover. 3 There should be a protective cover on the exhaust pipe, and the steps and the footboard of the upper car should have non-slip flanges or flanges. 4 The shaft head of the power output shaft must have a protective cover and should have a sign indicating the direction. Then check the operating mechanism to see if the throttle and tie rod connection is reliable. Try to step on the no-clip. Push the main and auxiliary shift levers according to the operating procedure to confirm that it is reliable. Note that when the steering wheel is not moving, the free-angle angle should be less than 30. degree.
Note that when testing, first check the engine oil height, fuel and cooling water, and start three times in succession when the outdoor temperature is above 5 degrees Celsius, which should be successfully started in 30 seconds. At the same time, under the medium throttle for 10 minutes, the sound of smoke exhaust and engine should be continuous and stable. After 10 minutes, the throttle should be reduced as much as possible. When running at low speed (idle speed), the engine sound should be continuous and stable. When the throttle is gradually increased, the sound of the engine should be smooth, and when the throttle is maximum, no black smoke will be emitted. Finally, water leakage and oil leakage inspection should be carried out, and random attachments, documents and documents should be checked.
Portable Turbidity Meter
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