Elevator Forum

lol, had that one b4 also. There also is a transistor associated to that circut. Had some snip one leg off of it. very nasty

no fairly new introduced into aamerica in the late 90's early 2000

sounds like it's time for a rebuild, but some times it's just the I sol static and the p sol static. If you never tore one apat before call Heinz at B...

otis Gem machine and a sigma(Korea) LG controller. This thing is even more proprietary than the 311 and 411. It is a very good product though, even wi...

i have a PDF manual for their valves pm me if anyone wants it emailed to them

I mean rebuild the up and down section and the o rings. The up side needs rebuilt when you turn the car off and close the shutoff. Watch the pressure ...

when the valves hit around ten years old you will see that they can't hold floor level when there is a load applied to the platform. The car will drop...