First, see if the model is suitable

According to the size of the farm field in which they are located and whether they are concentrated and contiguous, such as farmland geographical environment conditions, crop varieties, annual operating size, soil properties, economic affordability, etc., choose the right type of agricultural production needs. Example: Combine harvester is divided into self-propelled and backpack-type according to the power supply mode. It is divided into full-feeding and half-feeding according to the feeding mode. According to the structure of the traveling device, it is divided into wheeled and rubber crawler type.

Second, see whether the support is reasonable

It is necessary to consider whether the matching of the unit and the power are reasonable, that is, the rationality of adaptability of the power host and work supporting equipment. On the one hand, the power must be matched. It is necessary to prevent “small horse-drawn carts” and ensure that the engines have enough reserve power. They must also pay attention to avoid “big horse-drawn carts” and cause a waste of power consumption. On the other hand, the match between the harvester and the host is required to ensure that the hanger of the harvester is compatible with the structure and power output of the tractor so as to facilitate quick mounting and disassembly at the time of installation.

Third, see whether the model is mature

(1) Select the model introduced by the local agricultural machinery promotion department, and try, demonstrate, and prove that the quality and performance are reliable and suitable for local promotion.

(2) Choose products that have been affirmed by the market in the production and sales volume, do not purchase products that have just been put into production or small-scale trial production, and do not purchase product equipment whose production and sales volume has been on the decline or will be replaced or will be replaced.

(3) Select products with "three certificates". With the "three certificates" of provincial-level or higher-level agricultural machinery promotion licenses, production licenses, and quality inspection certificates, the quality of agricultural machinery products will have a stable guarantee.

(4) Select quality agricultural machinery products determined by the Ministry and the provincial level. It is preferable to purchase the models that have been listed in the national and provincial agricultural machinery purchase subsidy catalogues, the brands that have won the bids in the tenders of the central government and provinces, and have been included in the machinery varieties listed in the catalogue of agricultural machinery products supported and promoted by the state.

(5) When purchasing farm implements, in the same type of machinery with the same or similar conditions of quality and price, the nearest enterprise can choose to purchase the appropriate product, mainly considering the long-distance transportation of the machine, which is easy to damage, maintenance technical service and vulnerable zero. The supply of accessories is fast, and the information feedback is fast.

Fourth, see if the service is timely

In the busy operation of agricultural machinery, when it is necessary to eliminate the fault, it is very important whether the service is in place in time. When buying, we must understand whether the production company can guarantee the timely after-sales service, spare parts supply is in place, etc., to buy products that have been established in the local three packs of service network, we must choose the preferred use of credibility and good reputation, maintenance Service machines are widely distributed.

Fifth, see if the quality is reliable

Users should conduct static and dynamic inspections on the agricultural machinery to be purchased to see if the quality of the selected agricultural machinery is reliable.

(1) Static inspection. See if there are any scratches, bumps, scratches, or paints that are severely detached from the exterior. Whether the components in each part are intact or not, whether or not the welding parts are soldered off, and whether the transmission parts are flexible and reliable, whether there is oil leakage, water leakage, air leakage, or leakage. Such phenomena exist.

(2) Dynamic inspection. Start the engine and let it run at low speed for 3 to 5 seconds. Listen to the sound of the engine and see if the exhaust smoke is normal. Then engage the cut, send and take off clutches of the agricultural machine, and let the engine run at low, medium and high speeds for 2 to 3 seconds. Check whether the cutting, conveying, threshing, cleaning and other components are operating normally at various speeds. Finally, the air-to-wheel test run was performed to see if the clutch, transmission, steering, brake, header lift, and cutter movement were normal.

Six, see whether the spare parts are complete

When it is determined to purchase certain agricultural implements, it should be noted that the serial number of the complete machine shall be the same as the serial number on the certificate of conformity and the three packs of voucher, and the specifications and models of the products shall be the same as those of the above-mentioned documents. Then check the spare parts of the product, which should be consistent with those listed on the packing list of the manufacturer's random accessories. There should be no shortage. The final check inventory toolkit should match the ones listed in the random tool list.

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