- Chocks should always be placed in the very center of the wheel, so as to proportion weight appropriately and stop a vehicle from moving.
- Any wheel chocks that are damaged or not rated for the application shouldn’t be utilized.
- Chocks should be placed without any gaps between the chock and the tire, so as not to give the vehicle any room for momentum.
- Finally, chocks should always be placed on solid ground, so that they cannot be compromised by the surface under them.
How do you put a chock on a wheel?
4) Place the chock between the ground and the back end of the wheel (furthest away from the side you are lifting). Then kick the chock toward the wheel to make sure it is securely in place. 5) Place a second chock on the front end of the same wheel and again, kick it toward the wheel to make sure it is secure.
How high should the wheel chocks be on a tire?
Consider you have a tire of 20 inches, then you have to have at least 5-inch height of the wheel chocks. Because if the tire and chock height difference is more than ¼; then there are possibilities that the tire would roll if the surface is slippery.
Are wheel chocks necessary for parking?
Wheel chocks are a good idea for additional safety and should be used with the parking brakes. If you work on your car and use a jack, wheel chocks are a necessity. Parking brakes typically are for the rear wheels only, and if you are lifting the rear of the car and the rear axle is up in the air, the front wheels are still free to roll.
Can you put a wheel chock on a double axle trailer?
If you've got a double-axle travel trailer that needs chocking, these Extreme Max heavy-duty interlocking tire chocks are a great choice. This plastic wheel chock set can be used singly but can also be locked together for tandem axle trailers or make a great RV wheel chock.
How many wheel chocks are required?
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.
Where should the wheel chocks be placed if the driver rear tire is lifted?
Facing upward on a slope For payloads exceeding 240-tons, a chock should be placed on all of the rear tires, which generally amounts to four chocks. For payloads up to 240-tons, chocks should be applied to the outermost rear tires—this generally only requires two chocks.
Do I need 2 or 4 wheel chocks?
RVs and heavy trailers fall into this category. Therefore, you should use one chock per tire to make sure it does not roll away. Using four chocks also secures both the front and back end to limit movement. For smaller trailers or fifth wheels, you may be able to get away with two chocks.
When should wheel chocks be used?
OSHA requires that trailer operators set the brakes and use wheel chocks on the rear wheels to prevent accidents resulting from trailer movement, especially during loading and unloading procedures.
What does OSHA say about wheel chocks?
1. The current OSHA standards in 29 CFR 1910.178(k)(1) and (m)(7) only allow the use of wheel chocks under the rear wheels to prevent the trucks from moving while loading and unloading.
How do you put a wheel chock on a trailer?
0:011:22installing a condor sc2000 wheel chock on and aluma trailer - YouTubeYouTubeStart of suggested clipEnd of suggested clipBit once you measure get everything where you want left to right from the back just drill your holesMoreBit once you measure get everything where you want left to right from the back just drill your holes helps to do it one at a time then put a bolt in go to the others.
What angle are wheel chocks?
Most manufacturers say you should use wheel chocks that are a bit taller than 1/4 of the height of the wheel. Also pay attention to the slope angle of the wheel chock. The general rule is this simple math equation: (chock height ÷ the height of the wheel) ÷ 0.016 = the maximum angle slope for a chock to be effective.
Are plastic wheel chocks safe?
Polyurethane plastic is the second most common material for a wheel chock. They're better at resisting cuts, blunt damage, water damage, and wind damage than rubber chocks, and they're lighter-weight than rubber or aluminum. But, plastic wheel chocks are not as high-strength as aluminum or steel alloy chocks.
How much weight can a wheel chock hold?
Select Maximum Capacity: 60,000 lbs. 70,000 lbs.
Are wheel chocks an OSHA requirement?
OSHA requires drivers to set the brakes, and workers to chock the rear tires of trucks before they are loaded or unloaded. If a driver detaches a trailer from his truck, he (or site workers who receive the trailer) must stabilize the trailer with jacks and chock the rear wheels.
Do wheel chocks actually work?
Wheel chocks, also known as wheel stoppers, tire chocks and wheel blocks, are wedges placed in front and behind of wheels to prevent unwanted and accidental movement of vehicles. Chocking your wheels ensures that – even if you forgot to put the hand brake on – your vehicle is not going anywhere.
How do you chock a car wheel?
0:211:25Car Maintenance : About the Safety of Wheel Chocks - YouTubeYouTubeStart of suggested clipEnd of suggested clipPlay sideways in front or back to the vehicle. Or split pieces of firewood. Work really well as wellMorePlay sideways in front or back to the vehicle. Or split pieces of firewood. Work really well as well a triangular shaped wedge works best because it fits both underneath the pavement.
How do I place chock blocks?
Wheel chocks must be positioned downhill and below the vehicle's center of gravity. On a downhill grade, position the chocks in front of the front wheels. On an uphill grade, position the chocks behind the rear wheels. On a level grade, position the chocks on the front and back of a single wheel.
Does OSHA require wheel chocks?
OSHA requires drivers to set the brakes, and workers to chock the rear tires of trucks before they are loaded or unloaded. If a driver detaches a trailer from his truck, he (or site workers who receive the trailer) must stabilize the trailer with jacks and chock the rear wheels.
How do you chock a car wheel?
0:211:25Car Maintenance : About the Safety of Wheel Chocks - YouTubeYouTubeStart of suggested clipEnd of suggested clipPlay sideways in front or back to the vehicle. Or split pieces of firewood. Work really well as wellMorePlay sideways in front or back to the vehicle. Or split pieces of firewood. Work really well as well a triangular shaped wedge works best because it fits both underneath the pavement.
How do you chock wheels on a semi?
1:443:49How to Chock the Wheels on a Tractor-Trailer (CDL Truck) - YouTubeYouTubeStart of suggested clipEnd of suggested clipInside your vehicle right underneath your driver's seat wheel chocks are simply two pieces of wood.MoreInside your vehicle right underneath your driver's seat wheel chocks are simply two pieces of wood. You're gonna take one piece of wood. And you're gonna put it behind the wheel.
Where do you put chocks on a car?
So if you are lifting the front of the vehicle, you would be placing wheel chocks on the back two wheels. If you are lifting the back end of the vehicle, you would be placing chocks on the front two wheels.
What is a wheel chock?
Wheel chocks , also called wheel stops or wheel blocks, come in a variety of sizes and shapes and can be made from different types of materials. They are used to prevent a vehicle from rolling forward or backward.
Why do we need wheel chocks?
Wheel chocks are used to keep a vehicle from rolling when the opposite end is lift. Wheel chocks are also often used with large, parked trucks to ensure the vehicle doesn’t roll and cause damage to property. Off road chocks can be used in construction when builders need to park in areas that do not have roadways yet and the land is uneven.
How to lift a car with a chock?
1) Park the vehicle on a level surface. 2) Set the parking break. 3) Figure out which way the car would roll if you were to lift up the end you are planning to lift. 4) Place the chock between the ground and the back end of the wheel (furthest away from the side you are lifting).
The Importance of Understanding Wheel Chock Procedures
Wheel chocks are effective safety devices when used properly. However, wheel chocking procedures are not always as straightforward as they may seem. There are several key aspects to proper chocking that may not be obvious to every user.
Variables to Consider Before Using Wheel Chocks
Here are the combinations of conditions must be considered for safe, proper chocking procedures:
How to Properly Position Wheel Chocks
The second key to proper chocking is the actual positioning of the chocks themselves. When chocking a vehicle, always follow these simple rules to ensure maximum efficiency and safety.
Finding the Right Chock for your Application
The MC series is ideal for heavy-duty equipment, including haul trucks, loaders and cranes.
Where should chocks be placed?
That is, if the heaviest axle is at the back of the truck. Chocks need to be placed on the heaviest axle of the vehicle .
Why won't my chocks hold?
If there is any question that the chocks will not hold because of an unstable ground, the vehicle should be re-positioned. More importantly, wheel chocks should be used on the vehicle for which they are purchased, and tested before use. Chocks purchased for a small utility or service truck are not appropriate for a half-ton truck with a trailer.
When parking on a surface on which you cannot tell the grade because it appears flat, should both wheel chocks?
When parking on a surface on which you cannot tell the grade because it appears flat, both wheel chocks should be placed on the driver's side, front wheel. There is a tendency for unchecked wheels to roll, especially if the transmission is not in Park.
What happens if a trailer is not chocked?
One instance is when a wheeled piece of equipment is on the trailer and is "driven" on or off. If the trailer is not chocked, it has the potential to jack-knife the trailer and the truck, thus making the truck wheel chocks ineffective. By using two sets of wheel chocks, it diminishes the load by half than by using just one set.
Why do you need a wheel chock?
Wheel chocks need to match the size of the tires you’re using them on because the tires are designed in proportion to the car’s size and weight.
How big are rubber wheel chocks?
They’re quite large at 11 inches tall, 7.375 inches wide, and 11.25 inches wide, so they’re great for heavy-duty use, but might not be suitable to use with lower cars or smaller wheels. The company says the laminated finish will resist slipping, tearing, ozone, abrasion and all types of weather conditions.
What are wheel chocks made of?
They’re typically made of rubber or plastic, but I wouldn’t recommend buying plastic ones because they’re just not as sturdy.
What is a Fasmov wheel chock?
These Fasmov wheel chocks are a simple, no-frills option for basic needs. They’re made of rubber that is oil and slip resistant and also have a ribbed surface to grip your wheels better.
How to find the maximum angle of a chock?
Also pay attention to the slope angle of the wheel chock. The general rule is this simple math equation: (chock height ÷ the height of the wheel) ÷ 0.016 = the maximum angle slope for a chock to be effective.
What happens if you park your car on an incline?
If you’re working on your car or have it parked on an incline, the last thing you need is for it to roll away. Even if placed in park with the engine off and parking brake engaged, there’s still a risk that it might roll away and that has the potential to seriously injure someone and/or cause damage to its surroundings.
Do wheel chocks have traction pads?
These chocks, however, are ideal for any climate, have a rubber traction pad to reduce slippage, and come with a built-in handle. The non-slip surface is also oil resistant. Users report that they have been able to use these wheel chocks with big trailers and trucks with no durability issues.
What are RV Wheel Chocks For?
No one wants to stay in a vehicle that has the tendency to move, and sometimes brakes aren’t enough to keep those tires from rolling.
How wide is a X chock?
This chock never even touches the ground to do its work and can extend from a mere 1-3/8″ in width to 10″.
How do you adjust the width of a tandem axle?
On trailers with tandem axles, chocks fit between the two tires. The width adjusts usually by cranking with a ratchet wrench.
What shape are camp chocks?
Shaped like a triangle, these chocks can be easily kicked into place in front of a wheel. Their built-in make them easy to pack up camp.
Do campers use wheel chocks?
Most camp aficionados utilize wheel chocks on travel trailers, especially when there are tandem axles, and many owners of motor homes may also place chocks in front of single tires on their vehicles.
Can you use chocks on a camper?
And if someone is working on the camper undercarriage, chocks should definitely be used, along with industrial jacks. It’s a good idea to place chocks as soon as the camper is in place on the campsite, as unloading gear and setting up camp could cause some movement of the trailer or RV. Man putting chock underneath wheel of campervan.
Where should wheel chocks be placed?
Wheel chocks must be positioned downhill and below the vehicle’s center of gravity. On a downhill grade, position the chocks in front of the front wheels. On an uphill grade, position the chocks behind the rear wheels.
How do I choose wheel chocks?
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 .
How many wheel chocks do you need for RV?
RVs and heavy trailers fall into this category. Therefore, you should use one chock per tire to make sure it does not roll away. Using four chocks also secures both the front and back end to limit movement. For smaller trailers or fifth wheels, you may be able to get away with two chocks.
What is the best angle for a wheel chock?
The idea is to mark a 45-degree wedge angle to work on a standard 15-inch tire. If you want to be exact, you can mark the angle of your individual tires on a piece of cardboard and transfer this recorded angle onto the wood.
When should you chock tires?
If you are loading or unloading, hitching or unhitching, or performing maintenance on a vehicle, you must take time to chock and block the equipment to protect you and others from unintended movement of the equipment and/or cargo.
Why do you wheel chocks?
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.
What to do if you don't have chocks on your trailer?
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.
