Using this Simpson SWT series gearbox assembly is easy. First, make sure your washing machine is turned off and unplugged. Then, carefully remove the old gearbox and replace it with this new one. Ensure all connections are secure. Remember, this gearbox doesn't fit all SWT series machines. So, before you buy, double - check your washing machine's full model number and PNC number with us. For maintenance, keep the gearbox clean and free from dust. If you notice any strange noises or malfunctions during use, stop the machine immediately and contact us. Our product is fully guaranteed, and with over 25 years of experience in supplying appliance parts, you can trust our quality.