Installing Auto-Torq Axle Fastener

STEMCO
27 Jul 202304:09

TLDRThe script outlines a step-by-step process for properly installing an Auto torque axle Fastener to ensure optimal wheel end assembly. It emphasizes aligning the fastener with the spindle's keyway, spinning until contact with the inner bearing journal, and repeating the tightening and spinning process for accurate positioning. Verification is done by marking the spindle and fastener, checking for movement with a dial indicator, and ensuring zero in play. The Auto torque axle Fastener is highlighted for its ease of installation and compliance with SAE preload specifications, resulting in a smooth, free-spinning hub with optimal preload.

Takeaways

  • 🔧 Align the Auto torque axle fastener with the keyway in the spindle and spin it until it touches the inner bearing journal.
  • 🛠️ Use an axle socket and breaker bar to continue spinning the fastener until a loud clutching mechanism sound is heard, indicating proper engagement.
  • 🔄 Repeat the process of tightening the axle fastener and spinning the hub for a minimum of five times to ensure the bearing seat and seal are properly seated.
  • 🖍 Mark the spindle and axle fastener with a paint pen to track movement and verify the fastener's position after spinning.
  • 🔩 Verify that the axle fastener has not moved by spinning it another 360 degrees and checking the alignment with the mark.
  • 🔍 Perform a quick verification process to check for zero in-play on the wheel end using a dial indicator.
  • 📏 Apply a pushing force of about 40 to 50 pounds while slightly oscillating the dial indicator on the hub to verify proper adjustment.
  • 🚫 Ensure there is zero movement in the hub, which indicates that the Auto torque axle fastener is adjusted correctly.
  • 📈 Refer to the SAE spec J2535 for the target of 500 pounds of force on the tntp and R spindle with a maximum of a thousand pounds of preload on a wheel.
  • 💡 The Auto torque axle fastener is designed to put the wheel in an optimal amount of preload for smooth and free spinning with no binding.

Q & A

  • What is the purpose of aligning the Auto torque axle Fastener with the keyway in the spindle?

    -The purpose of aligning the Auto torque axle Fastener with the keyway in the spindle is to ensure proper contact and seating of the Fastener with the inner bearing Journal when spinning it on.

  • How do you know when the axle Fastener has properly seated against the inner bearing Journal?

    -You will know the axle Fastener has properly seated against the inner bearing Journal when you hear a loud clutching mechanism sound from within the axle Fastener.

  • What is the significance of spinning the Hub after the axle Fastener has been tightened?

    -Spinning the Hub after tightening the axle Fastener helps to seat the bearing seat and the seal properly, ensuring a minimum of 360 degrees of rotation for the process.

  • How many times should you repeat the process of tightening the axle Fastener and spinning the Hub?

    -The process of tightening the axle Fastener and spinning the Hub should be repeated a minimum of five times to ensure proper seating and adjustment.

  • What is the verification process for ensuring the axle Fastener is in the correct position?

    -The verification process involves marking the spindle and the axle Fastener with a paint pen, spinning the Fastener another 360 degrees, and checking that the axle Fastener has not moved from the marked position.

  • What is the industry standard for checking preload on a wheel end?

    -The industry standard for checking preload on a wheel end is referred to as SAE spec J2535, which targets a force of about 500 pounds on the TnTP and a maximum of a thousand pounds of preload on a wheel end.

  • How does the Auto torque axle Fastener contribute to the optimal amount of preload?

    -The Auto torque axle Fastener contributes to the optimal amount of preload by allowing the wheel end to have a slight amount of preload, which is easily achieved by simply tightening it up with a socket.

  • What should you expect in terms of movement when using a dial indicator to check for in-play on the wheel end?

    -When using a dial indicator to check for in-play on the wheel end, you should expect zero movement in the hub, indicating that the Auto torque axle Fastener has been adjusted properly.

  • How does the slight amount of preload affect the ease of turning the Hub?

    -Even with a slight amount of preload, the Hub should still turn very easily with a slight amount of drag, spinning smooth and free without any binding.

  • What is the importance of the Auto torque axle Fastener in the assembly of wheel ends?

    -The Auto torque axle Fastener is important in the assembly of wheel ends as it ensures proper seating of the bearings and seals, and allows for the optimal amount of preload, contributing to the smooth and efficient operation of the wheel end.

  • What tools are necessary for the installation and verification process of the Auto torque axle Fastener?

    -The necessary tools for the installation and verification process of the Auto torque axle Fastener include an axle socket, a breaker bar, a paint pen, and a dial indicator.

Outlines

00:00

🔧 Auto Torque Axle Fastener Installation

The paragraph describes the process of installing an Auto torque axle fastener. It begins with aligning the fastener with the keyway in the spindle, spinning it until it touches the inner bearing journal, and then using an axle socket and breaker bar to tighten the fastener until a loud clutching mechanism is heard. The process involves spinning the hub to seat the bearing and the seal, and repeating the tightening and spinning steps a minimum of five times. A verification step is then carried out by marking the spindle and the axle fastener with a paint pen, spinning the fastener another 360 degrees to ensure it hasn't moved. The paragraph also discusses checking for play in the wheel end using a dial indicator to ensure zero movement in the hub, indicating proper adjustment of the auto torque axle fastener. It concludes with a mention of the SAE j2535 specification for preload and the optimal preload achieved by the auto torque axle fastener, emphasizing its ease of installation and smooth operation despite the slight amount of preload and drag on the hub.

Mindmap

Keywords

💡Auto torque axle Fastener

The auto torque axle Fastener is a specialized component designed to secure the wheel to the axle hub. It is engineered to apply the correct amount of torque automatically, ensuring optimal preload and proper seating of the bearings and seal. In the context of the video, the auto torque axle Fastener is the primary focus, as the script outlines the process of aligning, tightening, and verifying its position to ensure proper wheel end assembly.

💡Spindle

The spindle is a crucial part of the wheel assembly, which connects the axle to the wheel hub. It is essentially a shaft that passes through the wheel hub and is designed to support the rotation of the wheels. In the video, the spindle is referenced as the component that the auto torque axle Fastener aligns with, and it is integral to the process of securing the wheel end assembly correctly.

💡Axle socket and breaker bar

An axle socket and breaker bar are tools used to apply significant force to the auto torque axle Fastener during the tightening process. The axle socket fits over the fastener, and the breaker bar extends the force applied by the user, ensuring that the fastener is tightened to the correct torque specification. In the video, these tools are mentioned as essential for the process of tightening the auto torque axle Fastener and verifying the proper seating of the wheel assembly components.

💡Clutching mechanism

The clutching mechanism refers to the audible signal that indicates the auto torque axle Fastener has reached its proper torque setting. When the fastener is tightened to the correct torque, the internal mechanism within the fastener engages, creating a 'clutching' sound. This sound is a critical indicator that the fastener is correctly tightened and that the wheel assembly is ready for the next steps in the process.

💡Hub

The hub is a central component of the wheel assembly that connects the wheel to the axle. It is where the axle Fastener is tightened and is designed to house the bearings and seal. In the video, the process of spinning the hub is emphasized to ensure the bearing seat is properly seated and the seal is correctly positioned. The hub's proper function is critical for the smooth operation of the wheel end assembly.

💡Bearing seat

The bearing seat is the part of the wheel hub where the bearings are placed and secured. It must be properly seated to ensure smooth and efficient rotation of the wheel. The video describes the process of tightening the auto torque axle Fastener and spinning the hub to ensure the bearing seat is correctly positioned, which is critical for the proper functioning of the wheel assembly.

💡Seal

The seal in the context of the wheel assembly is a component designed to keep grease within the bearings and prevent contaminants from entering. Correctly seating the seal is essential for the longevity and performance of the wheel assembly. The video outlines the process of spinning the hub to help seat the seal, ensuring that it functions correctly and contributes to the overall efficiency and maintenance of the wheel end.

💡Marking with a paint pen

Marking with a paint pen is a verification technique used to ensure that the auto torque axle Fastener has not moved during the assembly process. By drawing a line across the end of the fastener and the spindle, one can visually confirm that the position has remained constant after further tightening or spinning. This method is crucial for verifying the proper installation and torque application of the axle Fastener.

💡In play

In play refers to the amount of free movement or slack in a wheel end assembly. The video emphasizes the importance of having zero in play, which means there should be no movement in the hub when force is applied. This ensures that the auto torque axle Fastener is properly adjusted and that the wheel end assembly is correctly and securely installed.

💡Dial indicator

A dial indicator is a precision measuring tool used to measure small amounts of linear movement or displacement. In the context of the video, a dial indicator is used to verify that there is zero in play in the wheel end assembly by taking readings while applying force to the hub. This ensures that the auto torque axle Fastener is adjusted correctly and that the wheel end is secure and properly aligned.

💡Preload

Preload refers to the initial tension applied to a component, such as a bearing, before it is subjected to any external loads. In the video, the auto torque axle Fastener is used to apply a slight amount of preload to the wheel end assembly, which helps to optimize its performance and longevity. The industry standard SAE J2535 specifies a target preload, ensuring that the wheel end is properly tensioned for optimal operation.

Highlights

Auto torque axle fastener is used for proper alignment with the keyway in the spindle.

The axle fastener should be spun on until it touches the inner bearing journal.

Utilizing an axle socket and breaker bar to spin the axle fastener until a loud clutching mechanism is heard.

Spinning the hub helps seat the bearing seat and seal, aiming for a minimum of 360 degrees.

The process of tightening the axle fastener and spinning the hub should be repeated a minimum of five times.

Verification process involves marking the spindle and axle fastener with a paint pen.

Spinning the fastener another 360 degrees to ensure it has not moved out of position.

Proper seating of bearings and correct positioning of the axle fastener is confirmed through this verification process.

Checking in play on the wheel end is crucial for optimal performance.

Auto torque aims for a slight amount of preload in the wheel end assembly.

Zero in play should be verified using a dial indicator to ensure proper adjustment.

A slight amount of force (40 to 50 pounds) is applied while testing for in play.

The wheel end should have zero movement in the hub for optimal performance.

SAE spec J2535 provides targets for preload, with a maximum of a thousand pounds of preload on a wheel end.

Auto torque axle fastener ensures optimal preload with easy installation using a socket.

Despite the slight preload, the hub should turn easily with a smooth and free rotation.

Casual Browsing

Pro Torq Axle Spindle Nut

2024-04-05 03:55:00

STEMCO-Pro Torq Nut Standard Grit Guard Seal

2024-04-05 04:45:01

Installing Ollama to Customize My Own LLM

2024-03-29 01:00:01

intext citation and referencing using AI | two best AI for auto referencing | AI for auto generation

2024-04-17 03:15:01

Wheel End Bearing Adjustment Installing Guardian HP Seal - Tech Talk

2024-04-05 04:20:00

Auto Captions on Tiktok (How To Automatically Add Subtitles)

2024-05-17 23:45:03