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OSHA is very clear when it comes to wheel chocks– use them. However, there is a hang-up. … OSHA also says it will enforce its wheel chock requirement on all trailers and trucks that are not classified as commercial motor vehicles. Put simply, if you are not a commercial motor vehicle, you need to chock.
Wheel chocks are used for safety and accident prevention. Chocking, also known as blocking, is done to prevent trucks and trailers from unintentionally moving, like rolling or overturning, while workers are loading, unloading, hitching, unhitching or servicing the vehicle.
The standard notes that chocks should be placed under the rear wheels, which means two chocks should be used – chocking just one wheel isn’t enough. If operators are chocking both sides of the wheels, then you must have a total of four chocks – two for each side.
The driver, dock workers, and forklift drivers share the responsibility to ensure that the truck and trailer wheels are properly chocked.
The Importance of Understanding Wheel Chock Procedures Wheel chocks are effective safety devices when used properly. … To ensure maximum safety for both workers and equipment, it is the responsibility of the end user to make the ﬁnal determination about proper chocking of a vehicle under the circumstances presented.
Bricks would be safe enough as wheel chocks because the rubber tyre spreads the load. (Imagine trying to chock a railway wagon with a brick however, and it would be another matter.) But all the same, the proper wedge-shaped blocks are probably best.
As we’ve learned, they provide an uphill impediment to your car’s tires, and wheels don’t travel naturally uphill. What’s more, a wheel chock uses friction to keep your car from sliding. So they’re an all-around good investment to keep in your trunk.
Ideally, the correct wheel chock should be about 1/4 of the tire’s height. This means that if the vehicle has 36-inch tires, the wheel chock should be about 9 inches in height. This should allow the chock to fit securely under the tire.
Measure the height of your tire. A wheel chock is best sized according to the size of the tire and should be approximately 1/4th the height of the tire. If your tire is 36 inches in height, your wheel chock should be around 9 inches high and fit snugly beneath the tire.
The size of the tires on your equipment or vehicle will also have an impact on the size and slope of the chock; chocks should be one fourth the diameter of your tire. So, if your truck has 40” diameter tires, the chocks you need will be roughly 10” high.
To properly chock a free-standing vehicle, place chocks on the left and right rear axle wheels. It is safest to chock both the front and back of each tire. Ensure that trailers are firmly placed against loading dock edges. Place chocks on the left and right wheels that are closest to the loading dock.
Wheel chocks or blocks must be used whenever a test or inspection procedure requires the driver to leave the driver’s seat with the parking brakes released. Avoid getting in the direct path or immediate area of compressed air exhausting from air brake system components.
The blocking arm of Stop Trucks acts at the axle of the truck wheel, preventing every movement of the vehicle, voluntary or not to ensure the safety of loading and unloading operations. The detection is automatic : the blocking arm goes up just in front of the wheel and goes on the tire with a slight backward movement.
Wheel chocks are designed to prevent stationary vehicles from shifting or moving when they are not in use. They also help prevent accidents on-site and help with employee safety. Wheel chocks must be secured properly to keep trucks and other vehicles from moving, especially on a grade.
Wheel wedges will also help prevent rolling. If you don’t have wheel wedges, bricks or large stones will do the trick. If you’re changing a rear tire, place the wedges before the front tires. If you’re changing a front tire, set the wedges behind the rear tires.
- (Received Pronunciation) IPA: /tʃɒk/
- Audio (UK) (file)
- (General American) IPA: /tʃɑk/ Homophone: chalk (cot-caught merger)
- Rhymes: -ɒk.
Wedge the angled edge of the chock beneath the wheel. Scoot the narrow end under the tire in whichever direction you want to prevent the vehicle from moving. Give the backside of the block a few taps, or back the vehicle up slowly until you feel it seat securely.
Yes I’ve used a brick under All on the ground wheels at times, but as has been suggested a chock designed for such, is Way safer, so we shouldn’t regularly compromise on safety when under a vehicle.
Wheel stops are also called parking blocks, tire stoppers, wheel stoppers, and curb stops.
Chocking your wheels is such a simple task and is an extremely important safety measure. If you don’t have chocks or happen to forget them, you can shove a rock in front of the tires to keep the tires from rolling and keeping your rig in place. … To be extra safe, I recommend you chock both sides of each trailer.
Wheel chocks are necessary for your RV or travel trailer to keep them from rolling away. Parking brakes work well to keep your rig stable, but they are not reliable on their own. … RV wheel chocks are sturdy wedges that fit right under your tires.
The 45 degree angle provides an optimal split in the load to the wheel and pavement (for a straight cut). Although a cupped cut is theoretically better than a straight cut, it would have increased the complexity of the build considerably.
Chocks, the word meaning referred with airport and airlines is actually a wedge-shaped sturdy rubber or wooden block or even a metal structure. These pieces of wood or rubber or metal is usually used to stop or prevent the motion of an aeroplane on ground.