Using this oven shelf rack bushing kit is easy. First, make sure your oven is turned off and cooled down. Then, remove the old parts from the oven side. Next, install the front clip, followed by the back clip with the pushrod. Finally, put in the front and back bush. When handling the parts, be gentle to avoid damage. Before using the oven again, double - check that all parts are securely installed. As for maintenance, keep the parts clean. You can use a soft cloth to wipe them regularly. If you notice any signs of wear or damage, contact us right away for a replacement. Also, always use the kit only with the compatible oven models listed. If you have any doubts about the model compatibility, don't hesitate to reach out to us for help.