How Does a Snow Plow Work?
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Snowplow Blades
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A snowplow consists of giant blades, attached to the front of a truck (below the hood and in front of the front tires), which push snow out of the way and into piles. Snowplows are used to clear driveways and roads. A snowplow is only as good as the blades. There are two types of snowplow blades: Straight blades and V-shaped blades. Each blade works in a different way to scoop snow off of the ground, or level snow already on the ground.
Straight Blades
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Straight blades can be used at a slight angle (angled to the left or right of the vehicle), or straight. Angled straight blades are used to clear wide areas, such as parking lots. A blade placed in such a manner throws the snow off to one side or the other, depending on the angle. Straight blades that are not placed at an angle are used to simply push snow out of the way. They are also used to back drag, or level out and smooth snow. To back drag, the blade is lowered to just touch the top of the snow, then the truck is backed up, pulling the blade along the top of the snow. In deep snow, a straight blade is used to sheer off layers at a time.
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V-Shaped Blades
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V-shaped blades are more versatile than straight blades. V-Blades are adjustable, allowing the plow to push, scoop and carry snow. When in the basic V-shape, (the blades are retracted towards the truck) these snowplow blades are used to power deep snow out of the way. When used in an inverted V-shape, the blades are used to scoop snow into piles, and even carry and dump it. V-shaped blades can also be used for back dragging.
Snow Plowing Tips
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Transmission problems are common when snowplowing, but there are some ways you can reduce wear and tear on the transmission. First, plan the route so that you will be driving forward as much as possible. Secondly, when you do shift into reverse, make sure you have come to a complete stop first. Always accelerate slowly and when you have finished plowing, allow the engine to idle for about 10 minutes to allow the transmission fluid to cool.
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Resources
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