Balancing the wheels on a VOLVO EC220E NH Excavator is essential for ensuring even wear, improved handling, and overall machine performance. click here for more details on the download manual…..
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Here’s a step-by-step guide to wheel balancing:
– **Preparation**
– Ensure you have the necessary tools and materials:
– **Wheel Balancer**: A specialized machine designed to detect and correct imbalances in wheels.
– **Jack and Jack Stands**: Used to lift the excavator safely.
– **Torque Wrench**: For properly tightening wheel bolts to manufacturer specifications.
– **Weights**: These are used to correct any imbalances found during the balancing process.
– **Cleaning Supplies**: Such as a wire brush and degreaser to clean the wheel surfaces.
– **Safety First**
– **Park on a Level Surface**: Ensure the excavator is parked on a flat, stable surface to prevent any movement during the balancing process.
– **Engage the Parking Brake**: Always engage the parking brake to secure the machine.
– **Wear Personal Protective Equipment (PPE)**: This includes gloves, safety goggles, and steel-toed boots.
– **Lift the Excavator**
– **Position the Jack**: Place the jack under the designated lifting points of the excavator.
– **Secure with Jack Stands**: After lifting, place jack stands under the excavator to ensure it remains stable and secure while working on the wheels.
– **Remove the Wheels**
– **Loosen Wheel Bolts**: Use the appropriate socket and ratchet to slightly loosen the wheel bolts before fully removing the wheel.
– **Remove the Wheel**: Carefully take off the wheel and set it aside on a clean surface.
– **Inspect the Wheel and Tire**
– **Check for Damage**: Look for any cracks, bends, or damage to both the tire and wheel rim.
– **Clean the Wheel**: Use a wire brush and degreaser to clean the mounting surface of the wheel and the hub to ensure proper contact.
– **Mount the Wheel on the Balancer**
– **Follow the Balancer Instructions**: Place the wheel on the wheel balancer according to the manufacturer’s instructions, ensuring it is properly secured.
– **Calibrate the Balancer**: Ensure the balancer is calibrated and ready to perform the balancing operation.
– **Balance the Wheel**
– **Run the Balancer**: Activate the wheel balancer to spin the wheel. The machine will measure any imbalances.
– **Analyze Results**: The balancer will indicate where weights need to be placed to correct any imbalance.
– **Add Weights**
– **Select Appropriate Weights**: Based on the balancer’s reading, choose the correct weights to add to the wheel.
– **Attach Weights**: Secure the weights to the wheel in the specified locations, usually on the inner and outer sides of the rim.
– **Recheck Balance**
– **Spin Again**: Place the wheel back on the balancer and spin it again to ensure that it is now balanced correctly.
– **Confirm Imbalance is Corrected**: The balancer should show that the wheel is now within acceptable limits.
– **Reinstall the Wheel**
– **Position the Wheel**: Carefully lift the balanced wheel
and align it with the hub of the excavator.
– **Hand Tighten Bolts**: start by hand-tightening the wheel bolts to ensure they are in the correct position before using a wrench.
– **Torque the Bolts**
– **Use the Torque Wrench**: Refer to the manufacturer’s specifications for the correct torque settings and use the torque wrench to tighten the bolts in a star pattern to ensure even pressure.
– **Repeat for Other Wheels**
– **Follow Steps for Each Wheel**: Repeat the process for any additional wheels that require balancing.
– **Lower the Excavator**
– **Remove Jack Stands**: Carefully remove the jack stands that were securing the excavator.
– **Lower the Jack**: Slowly lower the excavator back onto the ground.
– **Final Check**
– **Inspect All Wheels**: Ensure all wheels are properly installed and torqued to specifications.
– **Test Run**: Conduct a brief test run to check for vibrations or abnormal handling, indicating whether further adjustments are needed.
Following these steps will help ensure that the wheels of your VOLVO EC220E NH Excavator are balanced, leading to improved performance and longevity of both the wheels and tires.
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