don't believe you. Fresh install needs more than an hour

even for a professional, needs more than an hour for a fresh install. Some may need a helper for track install. Needs strength and skil to adjust the spring.

 

If you do it the very first time and fresh install, won't believe you have the skill to install it. Even reading the manual will cost you much time.

 

声明，本人 very 能动手，没敢试过。

所有跟帖： 

• 您说对了一半.装门很不容易. 但door opener 很容易. -Laozhong2- ♂ (0 bytes) () 07/20/2012 postreply 14:44:47