 Truckland853 Hooper St. Kingsford, MI 49802 1-906-779-3892 1-800-708-4005 Fax (906) 774-3964 Tire chains are deployed at the flip of a dashboard switch. A safety factor you can't afford to ignore.
Truckland is the area dealer for Onspot Automatic Tire Chains for use on 1/2 ton to Class 8 Vehicles. Onspot Automatic Tire Chains may be used on pickup trucks, RVs, mobile homes, trucks and buses. The ONSPOT Automatic Tire Chain System offers the traction of a single set of conventional snow chains at the touch of a button, without having to stop the vehicle. An electric switch mounted on the dashboard provides 12 volts to an air solenoid mounted on the vehicle's frame rail. Compressed air to the solenoid is supplied from either the vehicle's onboard air system or a 12-volt compressor kit. When the dashboard switch is activated the solenoid opens, allowing compressed air to enter the air cylinder and lower the chainwheel so it contacts the inside of the tire. The friction between the tire and the rubber-covered chainwheel causes the chainwheel to rotate, creating enough centrifugal force to flail the chains out in front of the tire. (The principle of the system is similar to a small generator driven by a bicycle tire to operate a headlight.)  Six lengths of chain spaced at 60-degree intervals on the chainwheel ensure that there are always two chains between the tire and road surface whether you are accelerating, braking, or are in a wheel lockup condition. The traction from the chainwheel is obtained in forward OR reverse. When the dashboard switch is turned off, the solenoid exhausts the air provided to the chain units and return springs in the air cylinders bring the chainwheels back to their resting position. ONSPOT device is built to absorb shock and to withstand the hostile environment it operates in: salt corrosion, high vibrations, abrasive, slushy conditions. Its chain, made of special through hardened alloys, is meant to stand the test of time.
Once your vehicle is equipped with ONSPOT, the system is at your disposal in a matter of seconds. All it takes is a flip of the switch. If black ice looms or packed snow lies ahead, you'll have the additional safety advantage of knowing that you can immediately deploy your ONSPOT automatic chain device. No pulling over to the side of the road to struggle with putting on chains in the freezing cold for what seems like hours. And no exposure to errant vehicles while chaining up at the side of the road. The ONSPOT system is easy to use, fast plus safe to deploy, and very effective. Put the Onspot Automatic Tire Chains on your RV, Mobile Home, or Truck before the first snowfall.
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