The lubrication of the control unit accessories in a garage door assembly is quite essential. It is to be done on a regular basis. Last time when this company came to fix the Garage door off track issue, they enlightened us about all these technicalities involved in the Garage door repair services. We are grateful to them for delivering their trade secrets to us and it is profitable for us. There is no need for any broken spring replacement after that. Such problems do not rise at all.