Starting in model year 2016, there will be three triple-mounted mower-conditioner (TMMC) systems available from John Deere. The R870R system will have a front-mounted F310R mower and two rear 3.1-m (10.2-ft) wide mower-conditioners for a total of 8.7 m (28.5 ft), system cutting width. The R950R will also have an F310R on front but will have two 3.5 m (11.5 ft) mower-conditioners mounted on the rear for a total of 9.5 m (31.2 ft) cutting width. The final and largest system is the R990R. This TMMC system will have three 3.5 m (11.5 ft) mower conditioners for a cutting width of 9.9 m (32.5 ft) per pass.
To prepare for transporting, the side curtains of the F310R or F350R Front-Mounted Mower-Conditioner are manually unlocked and folded into the transport position. This will reduce the overall width during transport. There is no longer a locking lever for the side curtains on the F310R and F350R mowers like the 131. There is an additional locking mechanism for the front mowers to prevent the mower from swinging side to side in transport.
Once the front mower is in transport position, return to the cab of the tractor. To fold the rear mowers into the transport position, place dial indicator (4) in picture below on setting 1 and depress button 5 and tractor selective control valve (SCV).
The parts of the monitor include the following (arrows in the image above correspond to the alpha-numeric values below):
Producers need to be reactive to weather conditions when harvest is ready. They must cut faster, with efficient conditioning using swathing or wide spread.
To improve productivity:
The desired swath size can easily be obtained with adjustable swath deflectors:
Proper conditioning in a wide range of crops can be achieved when the conditioner is properly adjusted.The impeller conditioner works well in legumes, especially alfalfa and most all-grass crops. Impeller conditioners are not recommended for thick-stemmed or cane-type crops, such as sudan or sudex, or crops more than 1.5-m (5-ft) tall.
The speed at which the tines rotate will also affect the degree of conditioning. Two impeller speeds can be achieved by simply moving the lever from 755 to 1000 rpm.
Power is transmitted from the 1000 rpm tractor with 44.4-mm (1-3/4-in.) power take-off (PTO) through a central gearcase to the twin rear-mounted cutterbars.
Groove on quill shaft, designed to shear upon severe impact with a foreign object, reduces the possibility of damage to the internal components of the cutterbar.
The cutterbar has been developed to increase productivity through a significant downtime reduction with quick-change knives.The amount of time spent on changing knives went from 3 minutes per knife to about 15 seconds with quick-change knives. This resulted in saving up to 40 minutes of maintenance time on each platform.Each mower-conditioner on the R870R is fitted with seven disks. The R950R and the R990R are fitted with eight disks.All operators have to do is insert the special tool (attached to the mower-conditioner) between the disk and spring blade, push it down and remove the knife.This results in no lost parts during the changing of knives. Large farms, machinery rings, and contractors need high-quality output and ease of serviceability:
To meet high-quality output, the cutterbar is an oil-immersed gear-driven cutting bed:
To meet serviceability, the cutting bed is lubricated for life:
Time needed to change a knife is less than 15 seconds. It is an efficient way to win up to 30 minutes of maintenance time on the mower-conditioners.
The available room for a windrow is a function of wheel spacing and tire width. The windrow width of the F310R and F350R Front-Mounted Mower-Conditioners may be narrower than the windrows from a twin rear-mounted mower-conditioner if the forming shields are adjusted so the tractor does not drive on the windrow that is produced.
The desired swath width can easily be obtained by loosening the handle on each side and moving the adjustable swath deflectors to the desired position. Swath width is adjustable from 1.2 to 2.4 m (3.9 to 7.9 ft) on the F310R and F350R Front-Mounted Mower-Conditioners.
Forming shields are easily adjusted to control material flow. This allows the operator to match the windrow width to harvesting requirements.The forming shields are easily adjusted to match harvest requirements. No tools are required to adjust the forming shields. Windrow width for the R870R, R950R, and R990R on each unit can be adjusted from 1.3 to 3.2 m (4.3 ft. to 10.5 ft).
The front and rear mower-conditioners utilize a hydropneumatic suspension system enabling them the ability to follow ground contours. This simple system requires no springs to adjust the flotation system.
To improve driver comfort, hydraulic overlapping is available with +/- 20 cm (+/- 7.9 in.) if needed, actuated from the monitor in the cab. Ground contour following will be + 24 cm (+ 9.4 in.) upward and – 22.5 cm (- 8.9 in.) downward.
Ground clearance when raising the platform on headlands is approximately 40 cm (16 in.).
Cylinders work independently to enable the cutting platform to pivot from side to side to give clean cutting even on uneven ground. Angular range:
On the R870R, R950R, and R990R Twin Rear-Mounted Conditioners, a hydraulic breakaway system is standard equipment:
This flotation system ensures a perfect ground following, reducing soil compaction and providing an excellent cut. Crop stubble is preserved and regrowth is accelerated.
The simple monitor enables the operator to easily operate all of the hydraulic functions of the twin rear-mounted mower-conditioner. The parts of the monitor include the following (arrows in the image above correspond to the alphanumeric values below):
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