Nice job and lovely cat

my garage door developed a problem lately - when disengaged the screw locker, manually lifting it up and down, i found that lifting up is easier but harder to pull it down.  does that mean my sping beinmg over torsed?  currently the garage door sometimes going down halft way then reverse up.
 

所有跟帖： 

• 如果以前都正常，問題近期才偶有發生，感覺不是拉簧過緊，從原理上看，關門過程是兩麵拉簧 -SmallBlock- ♂ (493 bytes) () 04/20/2013 postreply 09:11:09

• good idea， will check -giddyup- ♂ (247 bytes) () 04/20/2013 postreply 09:24:06

• Try Google search -SmallBlock- ♂ (139 bytes) () 04/20/2013 postreply 10:50:19

• 改變一下 garage door opener 開門關門的 torque 試試 -毅然- ♂ (0 bytes) () 04/20/2013 postreply 10:38:34

• 打開了opener，一堆電子件沒有可調的 -giddyup- ♂ (78 bytes) () 04/20/2013 postreply 10:51:49

• Do you have Infrared detector? Maybe that one is malfunctioning -周老大- ♂ (90 bytes) () 04/20/2013 postreply 15:18:23

• Update: I think I fixed my problem... yah.... -giddyup- ♂ (961 bytes) () 04/20/2013 postreply 18:08:01

• Good feedfack! Have a nice weekend! -smallblock- ♂ (0 bytes) () 04/20/2013 postreply 18:20:52

• A big thank to you... without your post, I might not have done i -giddyup- ♂ (0 bytes) () 04/20/2013 postreply 18:38:05