t The 16m Gigant Heliodor combination folds neatly for transport. u The Solitair pneumatic drill range has been updated.
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exerts compensating pressure counteracting the lateral force and achieving a straight direction of pull. Lemken claims fuel savings of up to 10 per cent for the system, along with reduced tyre wear and operator effort to counteract the yaw. Pressure is adjustable on-the-move and released during turns, where the hydraulic system also activates rear wheel steering. OptiLine is available for 5–9f Diamant ploughs.
Popular Heliodor revamped Since 2005 the Heliodor compact disc harrow has been popular with UK users and the latest version features larger discs for greater versatility. “The Heliodor is superb for high speed shallow stubble cultivations and for working down seedbeds, and is popular across the UK,” explained Lemken UK sales manager Paul Creasy. Disc diameter is up by 45mm to 510mm on Heliodor 9 versions, allowing working depth to be increased by 2–14cm and extending working life. Widths of 2m–16m are available and all have discs mounted at 16.5 degrees to the travel direction and 10 degrees from vertical ensuring efficient under-cutting and penetration, even in hard, dry conditions. Each disc is individually mounted with overload protection allowing it to rise on striking a solid object while all other discs remain at the correct working depth.
High work rates Working for the first time was Lemken’s new 16m Heliodor consisting of two 8m versions, mounted on a Gigant 12 toolbar. Each 8m unit has two 4m sections for
accurate ground contour following. The large transport wheels of the Gigant trailer lift clear of the ground transferring weight through the double-acting rams of the rear hitch to the working elements. At the event, the 16m combination was behind a 620hp Case IH Quadtrac, but the two 8m units are easily unhitched for operation separately behind smaller tractors.
Versatile discs The Rubin 12 compact disc harrow is designed for heavier work, with its two rows of 736mm serrated concave discs. Angled at 20 degrees to the soil and 16 degrees to the direction of travel, total soil movement is achieved across the working width from as shallow as 7cm. Curved mounting legs optimise trash clearance. Behind the discs, an impact harrow mixes and crumbles and a levelling harrow behind the second row of discs and ahead of the trailing rollers, ensures a level finish. Depth adjustment from the cab is an option. Latest updates include a wider 7m working width. “The Rubin 12 maintains a constant working depth and mixes organic material throughout the depth profile,” explained Paul. “The rear double packer levels and consolidates leaving conditions ideal for even weed germination and effective control, making the Rubin 12 particularly attractive for those using stale seedbeds to tackle black-grass.”
Seeding New features for Lemken’s Solitair pneumatic drill range were demonstrated on the Solitair 25. A Zirkon 12 power harrow rated up to 400hp and offering 330 or 440rpm at the rotors provided cultivation ahead of the seeding coulters. The Zirkon is easily removed for use separately, and a user-friendly feature is that rotor direction is easily changed, for stubble or ploughed land. This, the company points out, is much easier
p u The Rubin 12 range includes models up to 7m; all with Lemken’s symmetrical disc arrangement for ease of pull. Discs are angled 20 degrees to the ground and 16 degrees to the travel direction for optimal penetration and total soil movement even at shallow depths.
and quicker than removing and reversing all the tines. The Solitair 25 has an all-new plastic seed hopper, suitable also for fertiliser, with 3,000-litres capacity and designed for easy filling through a large top opening. Four totally new electric-driven metering units, directly below the hopper, have adjustable volume seed cells, allowing the same units to cater for all seed types. Solitair drills with 4–6m working widths have four metering units as standard, feeding a maximum of 1.5m through each unit. The smaller 3m model uses two metering units. Separate metering units mean section control is standard and volume adjustments can be made individually as needed. Fertiliser application up to 500kg/ha can be achieved. A new hopper-mounted fan supplies airflow to carry seed to the coulters. Benefits include lower noise and power requirement than the previous fan design.
A brand new electric-driven verticaldosing metering system with variable volume seed cells means rates are easily adjusted on-the-move. Seeds of all sizes can be handled.
Simple tramline adjustment The new distribution system makes it easy to accommodate different tramline widths. Each distribution head is fitted with a standard cartridge and another for tramlining, each moved hydraulically into position as required. The standard cartridge has a full set of openings matching the coulter feed pipe openings, but tramlining cartridges have holes blanked off to suit the wheel track spacing. Cleverly designed angled openings, together with the electricallyadjusted metering units maintain correct drilling rate across all the coulters, whether tramlining or not, and without seed return. Lemken explained that the new system has special appeal for contractors, allowing compatibility with different tramline layouts without the operator having to make physical changes to the machine. OptiDisc double disc seed coulters provide even sowing depth and have up to 70kg pressure available, adjusted from the cab, while an continued over...
The heavy-duty Zirkon 12 power harrow rotor direction is altered easily by sliding the drive gearbox a few inches along the transmission housing so the output shaft meshes against the adjoining gear.
The novel seed distribution system uses two nylon cassettes, one above the other, and moved hydraulically into position for tramlining or full-width drilling.
34 www.farmersguide.co.uk August 2016
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Farmers Guide Magazine August 2016 Issue