New generation stone separator

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The GRIMME AirSep stone separator system has been on the market already for over a decade. The device has undergone extensive further development in recent years and has been integrated into an independent new machine series, called AIRSEP 290.

Many changes, such as the modified crop flow and the optimised installation position of the AirSep blower, significantly increase reliability and stability.

The AirSep 290 is equipped with a fully hydraulic drive. This means that all main webs, including the optionally available intake web and the separators, can be adjusted stepless and independently of the engine speed (PTO speed) of the tractor.

The avoidance of mechanical drive components also improves accessibility for cleaning and maintenance work. The speeds of all main webs, including the deviner web, are now displayed in km/h, making it easier for the driver to adjust the web speeds in relation to the forward speed of the tractor. The speeds of the second main web and deviner web can be set independently of each other. If desired, electronic assistance systems like Speedtronic-Web and Speedtronic-Sep relieve the operator by automatically regulating all web speeds.

Optimisations along the crop flow

The optimisation of the intake design ensures reduced weight as well as improved adaptation to the ground contour, which prevents build-up and blockage by haulm. For improved crop protection and reduction of possible losses, the overlap between the first and second main web has been increased. The optimised placement of the drive for the deviner web has increased both pulling power and durability. The centrally installed lubrication rails for the bunker and axle make it much easier and faster to maintain the machine. An automatic lubrication system is also available as an option. The boulder box was also enlarged to a capacity of around 1 m³.


The modified air guidance in the pressure duct made it possible to reduce the speed of the AirSep blower and thus the load on the drive train, which increases efficiency and enables higher throughput rates.


At the transfer from the 2nd main web to the AirSep-separator, the feed belt has been replaced by hydraulically driven plain rollers, which improves the crop feed.

Further improvements have been made to increase convenience for the picking staff. The platform on the left-hand side of the machine can be extended so that up to 5 people can work comfortably at the picking table. Height-adjustable steps are also available, which allow the picking staff to work at a comfortable height. Also available are a waterproof storage box, stuffing on the picking table, drink holders and a 15-litre hand wash tank.

 

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