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Artikel: Tire changer GudangMovies21 Rebahinxxi
- Source: Tire changer
A tire changer is a machine used to help tire technicians dismount and mount tires with automobile wheels. After the wheel and tire assembly are removed from the automobile, the tire changer has all the components necessary to remove and replace the tire from the wheel. Different tire changers allow technicians to replace tires on automobiles, motorcycles and heavy-duty trucks. New tire and wheel technology has improved certain tire changers to be able to change a low profile tire or a run-flat tire.
Components
= Foot pedals
=
The tire changer has two foot pedals. The left pedal is called the clamp control pedal, a three position pedal that opens and closes the rim clamps. Once pressed, pneumatic pistons move the 4 rim clamps together or apart simultaneously. The right pedal is the table top pedal, which is a three position pedal that controls the rotation of the table top. When the table top pedal is pressed down, the table top spins clockwise. The table top spins counter clockwise when the pedal is raised.
= Mount/demount mechanism
=
The mount/demount mechanism consists of the duckhead, swing arm, and vertical slide. The duckhead is at the bottom end of the vertical slide. The duckhead is uniquely shaped, like a tapered bill, to fit next and surround the rim of a wheel. It can either be made of metal or plastic. The duckhead mounts and demounts the tire from the wheel. The swing arm moves left and right. The purpose of the swing arm is to move the duck head near or away from the rim. The last component of the mount/demount mechanism is the vertical slide. The vertical slide moves up and down so that the duck head can fit onto the rims of different size wheel widths. The vertical slide has a spring and locking handle above the swing arm to set the duckhead and maintain a stable position around the rim.
= Air pressure system
=
The air pressure system on a tire changer provides the air to inflate tires mounted on wheels. The air pressure system consists of 4 components: air hose, air inflation gauge, inflation pedal and manual pressure bleed valve. The air hose is located near the top of the tire changer, and it allows compressed air to travel into the tire. A specialized end is used on the air hose to clamp firmly onto valve stems of the wheels. The air inflation gauge displays the air pressure within the tire when the air hose is connected to the valve stem. The air inflation gauge displays the pressure in pounds per square inch (psi). Directly below the air hose on the side of the tire changer is the inflation pedal that enables the inflation of the tire. When the inflation pedal is raised, a burst of air is released from valves next to each rim clamp toward the bottom bead of the tire to help with inflation. The manual bleed valve is located next to the air hose and air inflation gauge. The manual bleed valve allows the manual release of air pressure from tire.
= Table top and rim clamps
=
The table top and rim clamps hold and rotate the wheel to mount or dismount a tire. The table top is directly above the foot pedals and below the mount/demount mechanism. The table top is able to rotate clockwise and counter clockwise. The table top is shaped as the letter "X", but it can be a circle in different tire changer models. On each end of the table top, there are pneumatic–powered rim clamps. These rim clamps move in unison to secure wheels onto the table top. Each rim clamp can be adjusted closer or further away from the center of the table top to accommodate smaller or larger wheels.
= Bead loosening system
=
The bead loosening system releases the tire bead from the rim of the wheel. The bead loosening system consists of an arm near the bottom right side of the tire changer. There is a shovel shaped metal piece at the end of the arm called the bead loosener shoe. The bead loosener shoe pivots and is rounded to accommodate the shape of a wheel. On top of the arm, there is a handle with a button on top to engage the bead loosening system. Across from the shovel shaped metal piece, there are rubber squares to protect the wheel from scratches during the loosening procedure.
Tire installation
The following list provides an explanation of an operator installing a tire onto a wheel using a tire changer:
The operator centers the wheel and securely fastens it onto the table top with the rim clamp mechanism with the narrow bead-ledge up of the wheel.
The operator pushes the bottom bead first in the well of the wheel.
The operator pushes the top bead down into the center well of the wheel under the duckhead and rotates the table top using the table top pedal.
The operator installs a valve core.
The operator slowly inflates the tire until the beads "pop" on the bead ledge of the wheel.
The operator releases the rim clamps and inflates the tire to manufacturer specifications.
Other types of tire changers
= Motorcycle
=
Motorcycle tire changers are less sophisticated than passenger car and light truck or heavy-duty tire changers because they deal with smaller and lighter tires and wheels. Motorcycle tire changers mainly provide a simple bead loosening system and rim clamps powered manually. Certain motorcycle tire changers can accommodate wheel diameters as small as 10 inches (250 mm) and wheels at least 1+1⁄2 inches (38 mm) wide. In addition, small atv wheels and tires are used on motorcycle tire changers.
= Heavy duty
=
Heavy-duty tire changers require larger equipment because these changers deal with larger, heavier tires and wheels. Heavy-duty tire changers can work with some wheels up to 56 inches (1.4 m) in diameter and tires up to 90.5 inches (2.30 m) in diameter and 43 inches (1.1 m) wide. Heavy-duty tire changers are used for agricultural, off-road and construction vehicles. However, now, bigger versions of the heavy-duty tire changers are designed to mount/demount tires up to 95 inches (2.4 m) in diameter and also feature a hydraulically operated self-centering four-jaw chuck with clamping jaws that can clamp from 14 to 58 inches (0.36 to 1.47 m) either from the wheel’s inside or from the center bore.
= Semi Automatic and Automatic mounting and inflation machines
=
Higher volume producers typically utilize specialized tire and wheel mounting and inflation equipment which is partially or fully automated. Depending on the tire size, machines may be a single station or multistation. In these machines, the tire is inflated using high volume, high pressure compressed air that flows into the tire around the tire bead rather than through the valve stem. When the tire has achieved the desired inflation pressure, the machine's inflation head moves away from the tire and the inflation process is completed.
References
External links
Media related to Tire changers at Wikimedia Commons
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Online shopping for Tire Changers - Tire & Wheel Tools from a great selection at Automotive Store.
At Best Buy Auto, we offer a wide selection of tire changers for any type of vehicle. Our inventory of changers and tire machines is made up of top-rated and trusted brands like Nationwide, Ideal, Atlas, Talyn, K&L, and more – and they’re available at the most affordable prices!
29 Jan 2022 · Looking for a high-quality tire changer for your workshop? Here are the best models for DIYers and professionals thoroughly reviewed!
24 Jan 2023 · The XK USA 950/580 tire changer and balancer combo are one of the best deals out there. They are perfect for light-duty use such as a small repair shop or home garage. While the mounter is a bit basic and lacks some of the features on higher-priced machines, it is more than sufficient for most passenger cars and trucks.
Manual Tire Changer Machine, Portable Tire Changer with Duck Head, 4''-21'' Tire Change, Fit for Cars, Motorcycles, Trailer, Bike, ATV, Truck
Whether you’re looking for a table-top, center-clamp or fully-automatic tire changer, Hunter offers a full-line of powerful tire changers that will meet any shop’s needs. Fully-automatic capability makes the Revolution the easiest to use and most award-winning tire machine in the industry.
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With exclusive tire changing features from Ranger, the once-dreaded chore of changing a tire is now fast, easy and even makes work a little bit fun. Our state-of-the-art tire changer design offers cutting-edge technology and advanced features to make this one of the most profitable pieces of wheel service equipment that you can offer.
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Shop for time change at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. Skip to content. Yardbird Best Buy Outlet Best Buy Business ... Electric Air Pump Advanced- Portable Tire Inflator & Air Compressor for Car, Motorcycle, Bike, Ball - Black. Model: QWCQA001. SKU: 6590049. Rating 4.7 out of 5 stars with 149 ...
