Mastering the art of tire changers is a critical skill in the automotive industry. With proper training and complying with safety protocols, tasks like mounting and demounting tires become more efficient and precise. Understanding each part and its function is important before using the machine effectively. Even as a professional, using a tire changing machine may initially seem daunting. However, with the proper training and technique, you can master the process in no time.

How to Use a Tire Changer Machine Safely

Before removing or mounting tires on rims, it’s essential to be aware of all safety precautions. Mishandling can result in personal injuries, tire damage, or equipment failure. Here are some of the effective safety tips.

• Ensure the tire’s size and construction are compatible with the wheel rating.
• Confirm that the wheel diameter matches the diameter indicated on the tire sidewall.
• Never exceed 40 PSI when seating tire beads, and always follow the manufacturer’s recommended pressure limits.
• Use appropriate personal protective equipment, such as safety glasses, gloves, and steel-toed boots.

Following these precautions mitigates the risk of accidents and enhances your workflow.

Key Features of Tire Changing Equipment

Modern tire changing equipment has evolved significantly. Today, the predominant design is the wheel clamp-style tire changer, which provides precision and care for specialty aftermarket wheels. This contrasts with older center-post tire changers that require heavy lifting and manual adjustments.

Some of the prominent features are as follows.

• Bead Breaker is used to unseat tire beads from the rim.
• The turntable holds and rotates the wheel during the mounting or demounting process.
• Assist Arm helps handle stiff sidewalls and low-profile tires.
• Duckhead is a mounting and demounting tool positioned to prevent rim damage.

Always consult the tire changer machine manual to familiarize yourself with these components. Manufacturers provide detailed instructions to help operators understand their equipment’s functionality.

Step-by-Step Guide to Operating a Tire Changer Machine

1. Preparation and Inspection

Start by inspecting the tire and wheel for damage. Check for cracks, rust, or sharp edges on the rim that could interfere with the process. If replacing a tire, ensure all wheel weights are removed. Proper preparation minimizes errors and ensures safety.

1. Deflate the Tire

Use a valve core removal tool to deflate the tire completely. This step is extremely important to avoid damage during the bead-breaking process. Never attempt to break down the bead of an inflated or partially inflated tire.

1. Breaking the Beads

Position the tire between the bead breaker arm and the padded side of the machine. Place the bead breaker blade slightly off the wheel lip to avoid contact with the rim. Activate the foot pedal to unseat the bead. Repeat on the other side of the tire until both beads are detached.

1. Clamping the Wheel

Secure the wheel onto the turntable using one of two clamping methods:

• Inside Clamping: Clamps expand outward to grip the wheel from the inside.
• Outside Clamping: Clamps grip the outer flange of the wheel.

Ensure the wheel is centered on the turntable to prevent wobbling during operation.

1. Demounting the Tire

Lubricate the beads with a rubber lubricant to reduce friction. Lower the mounting head (duckhead) onto the rim and lock it in place, maintaining a 2mm gap to avoid rim contact. Use a tire iron to lift the upper bead over the duckhead, then rotate the turntable to remove the bead. Repeat the process for the lower bead.

1. Mounting a New Tire

Place the lubricated tire onto the rim. Position the lower bead on the back of the duckhead and rotate the turntable to guide it into the wheel’s drop center. Repeat for the upper bead. For directional tires, check the sidewall arrows to ensure the correct orientation.

Advanced Tips for Tire Mounting Machines

1. Rubber Lubrication

Using high-quality rubber lubricant serves three purposes:

• Reduces friction during the mounting and demounting process.
• Assists in sealing beads during inflation
• Prevents tire tread distortion by ensuring proper bead seating.

Avoid petroleum-based or silicone lubricants, which can damage the tire or cause slippage on the rim.

1. Handling Low-Profile and Stiff Sidewall Tires

Tires with low profiles or stiff sidewalls often require pneumatic assist arms to push the bead into the drop center. This additional force minimizes the strain on the tire and ensures smooth mounting.

1. Using the Tire Machine Manual

Every tire mounting machine has a detailed manual outlining specific operational steps. Even if you’re experienced, refer to the manual periodically to ensure compliance with the manufacturer’s guidelines. Distributors often provide training sessions or technical support for operators unfamiliar with their equipment.

Key Precautions Before Inflating the Tire

Inflation is one of the most critical and potentially hazardous stages of tire mounting. Follow these steps to ensure safety:

1. Bead Sealing

Position the valve stem in front of you and connect the inflation hose. Depress the inflation pedal to initiate airflow. Use bead seal jets for difficult cases.

1. Bead Seating

Monitor the bead seating process closely. As the pressure increases, the beads should “pop” into place. Never exceed 40 PSI during this stage. If the bead does not seat, deflate the tire, re-lubricate the beads, and try again.

1. Final Inflation

Inflate the tire according to the manufacturer’s recommended pressure. Double-check using a reliable pressure gauge. Keep your hands and body away from the tire while inflating to avoid injury from potential blowouts.

Is It Easy to Put Tires on Rims?

With the right equipment and training, mounting tires on rims can be straightforward. A tire changer machine simplifies the process, but operator skill is key to achieving consistent results. Practice, attention to detail, and adherence to safety protocols ensure efficient and safe tire mounting.

Maintaining Your Tire Changing Equipment

Regular maintenance extends the life of your tire changer and ensures reliable operation. Key maintenance tasks include:

• Cleaning and lubricating moving parts.
• Inspecting hoses and clamps for wear
• Ensuring the turntable operates smoothly.
• Checking the accuracy of the inflation gauge.

Consult your tire machine manual for a detailed maintenance schedule tailored to your equipment.

Conclusion

A tire changer is an invaluable tool for any tire professional. By mastering its use and following the machine manual, you can efficiently handle everything from standard passenger tires to low-profile and specialty tires. Remember, safety and precision are paramount in this process. With practice and adherence to these guidelines, you’ll consistently deliver top-quality service.

Mastering tire changing starts with the right equipment. Coats Company tire changers are designed for precision and ease of use. We made our tire changing machines sturdy and durable, which will help you effortlessly tackle everything from standard tires to specialty wheels. Invest in our products to ensure your workshop operates at peak performance. Explore our range of tire changers now and take your tire service to the next level!