Elevator Forum

Not sure but they added a micro switch on the crank arm to keep from doors reversing and running with doors open. Know there was problems keeping adju...

not sure about the 9948c, but the 9948r was the door detector that worked of proximity not light. if yours is a proximity sensor I have limited paperw...

I've used just common gear oil, 80-90 weight. Been years since I've seen a AB SEE

Thanks all, these opinions back up my thoughts. It's amazing how much you can learn just following some of the posts on this page.

I show fuse 7 feeding Rect. 1, this is also on the PC side. I'd start by checking rectifier. After that it's the old way, couls be switches. Be aware ...

A17.2 has check lists

May or may not help, I've had a triplex and single ones that the selector guide rails had gotten gunked up by the carbon dust, made cariage jump and c...

yes, sorry. I meant piston

If there is no loss during your pressure tests I would put capacity in car, run it up, mark where sill is, pull and lock-out disconnect, check locatio...

Almost looks like one I replaced all the relays with new style, it was in a church in Raleigh. Also still have at least one that I can think off. Are ...

Agree with Rolly, you should have 2 to 3 inches of stabilized leveling about 10 to 14 fpm, if not check the DC screen then adjust if necessary. Also I...

I agree with both. Machine rooms can be located anywhere, main reason to have adjacent at bottom is cost. If your adjacent at 2nd landing the cost dif...

Been tracing back, found right diagrams, looking like the program chips corrupted.