I have two garage door openers - 1988 vintage. One of them hasn't needed any
adjustment in the last 18 years. Works perfectly every time. The other one
is very weather sensitive. When the weather is warm, the door comes down too
far and bounces back up. When the weather is cold, it doesn't quite come
down all the way - which is very convenient for mice looking for a warm
place to camp out. This is a difference of over an inch, so just adjusting
the sensitivity won't do the trick. The result is I have to change the down
limit very frequently. Is there anything I can do to deal with this problem.
It can't be an inherent defect in these openers because the other opener
right next to it - same make and model - does just fine.
Sounds like problem is with the tracks- contraction in cold may cause
some tigfhtening/ distortion. Cleaning them, lubing w silicone spray
might help, including rollers/ all moving parts. You also may be able
to increase the closing force- check with your manual if you still
have, or manufacturer's web site if you don't. On mine (newer Genie)
you have to open light cover to get at these adjustment knobs- check on
yours- it may be quite obvious how to do it.
Is the connection bar, which connects the opener to the door,
spring loaded? Usually they are; the sping absorbs the last inch
or so of travel, in order to control the problems you indicate.
Sounds like it might have a broken spring.
Sounds like the counterbalance spring on the door itself. Needs to be
adjusted. Difficult to do, may need to get an overhead door service
firm to do it. Most have a lock bushing that needs to be turned with
a spanner wrench to add or take away counterbalance pressure. If you
don't know what you are doing you could loose it when you loosen the
Sounds like it maybe spring tension and also a very thick greased rail
or track. Clean limits and track. Relube with liquad teflon spray.
let us all know if this helped
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