You may want to get the motor from the same company that manufactured your motor control parts. This will allow you to save money and make sure that you have a quality part for your system.
Offers technical support and service to help you achieve the best results possible. You should also consider how the service is offered in the event that you need it.
Make sure you review this document carefully and make sure everything is in order before you decide whether you want to take this on yourself or call a roofer in for another project.
You will probably find that you end up doing more harm than good. So be sure to practice safe maintenance techniques and be sure that you follow the guidelines that are provided with the equipment.