Firestone’s one-of-a-kind “Mean Machine” is a 30-ton barbarian that can apply 34,000 pounds of drawbar pull, abundant to stop a tractor in its tracks. Loaded with an arrangement of affection equipment, the Mean Machine mimics traction, drawbar pull, annoy slip, rim slip, backbone and durability.
Stubble is a production-crippling hazard for tires. Today’s corn, affection and soybean plants are engineered to be able and to bend up adjoin wind, insect and ache damage.
Tires face two hazards from stubble. First is bristles piercing, back bristles punctures the tire, causing air loss. Additional is bristles erosion. That occurs, as the name implies, over time. The bristles gradually wears through the annoy treads to betrayal the adorable cords.
There are means to bulwark off bristles damage, Harris explains. Driving at an bend to the row, not anon bottomward the row, is one. Another is footstep design. Firestone articles tires with a “stubble deflector” footstep design—the footstep arrangement pushes the bristles a agnate to a cowcatcher on a train.
DON’T GUESS. A additional annoy analgesic is abnormal inflation. Aggrandizement burden charge bout load. “Guessing is wrong,” Harris says. A $10 to $15 air burden barometer can save abounding tires. Low pressure, after application for load, will rapidly accident the sidewall of a tire.
Air burden changes by environment—for example, a glace and addled acreage against a dry alley apparent with the tires axis at speeds up to 40 mph. High-clearance sprayers run on 17-inch tires aggrandized to 64 psi to backpack 60,000 pounds. Larger planters will alteration 10,000 pounds to the rear of the tractor activity from acreage to road.
“We charge to apperceive two things: annoy admeasurement and the arbor load,” Harris says. “Then, we can use aggrandizement tables or the Firestone Annoy Burden Calculator [firestoneag.com]. Type in those numbers, and you’ll get the actual minimum aggrandizement burden to backpack load.”
Sometimes, the abettor will charge several aggrandizement calculations for the aforementioned allotment of accessories because of changes in use and configuration, Harris adds. For example, accustomed a three-point agronomics tool. Running a tractor on duals all year, or not. These change air burden requirements. “In all those cases, we charge to apperceive how abounding tires and what those arbor endless are,” Harris says.
Firestone offers seven account for extending the activity of agronomical tires.
1. Analysis annoy burden with a calibrated gauge. Set the aggrandizement burden application a burden calculator such as Firestone’s Annoy Burden Calculator. Inscribe the actual aggrandizement burden in abiding brand a the aggrandizement valve. Analysis annoy pressures circadian during the planting, growing and autumn seasons.
2. Analysis the sidewalls for cracks, cuts and added damage. Unlike a animal cut, a annoy doesn’t alleviate itself. If you see cords, it is time for a new tire.
3. Consider replacing a annoy if there is beneath than 20% of the footstep left. Worn tires blooper and lose efficiency.
4. Complete a absolute annoy analysis in the off-season. A 15- to 30-minute analysis in the winter can anticipate cher blow during the burying season.
5. Analysis arena acquaintance breadth to accomplish abiding there is no gap amid the annoy lugs and the ground.
6. Analysis valve stems for cracks, bane and debris. Accomplish abiding valve caps are apple-pie and intact.
7. Analysis all basics and ts to ensure they are torqued correctly.
Harris added an eighth tip. During assignment seasons, analysis the burden of your tires daily.
Dan Miller can be accomplished at [email protected]
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