Kitchen wall exhaust fan

[EEC]

The attached image shows a exhaust fan viewed from inside the kitchen. The ouside has a hinged door that opens and operates the fan by pull chain. When I open unit there were two wires inside fan housing not connected to any thing. I suspect they were connected to the pull chain switch. but I did not see any switch inside. The homeowner say it use to work and they did not open unit. I plugged fan into 110V temporary and it works, so its a matter of how is it switched by releasing chain that opens outside hinged door?

 

[memyselfandI]

Looks to me like the fan is missing a few parts. There should be some type of flat piece of metal at the bottom of the housing that the chain lays across. When you release the chain the flat piece of metal lifts up to turn the fan on. The switch is a push button type that is closed when you fully release the chain. It sets under that flat piece of metal. But hey, can you scrape some of that grease out of that fan? I need to lube the truck and that stuff looks industrial strength there dude. There has to be a point when you are cooking at you look at that and say"Da**!! That is nasty!!"

 

[ceknight]

Re: Kitchen wall exhaust fan

I plugged fan into 110V temporary and it works, so its a matter of how is it switched by releasing chain that opens outside hinged door?

If you want a closeup photo of how the inner workings are supposed to look let me know and I can take one later. I have one of those in my old kitchen -- when I redid the kitchen last year, I refurbed the fan rather than replace it with a hood. Looked great after I got 50+ years of grime off of it.

The switch is a little push-button job that mounts under that hinged lever arm. The chain goes through the chain-lock hole, over the lever and through the other hole to the spring door -- when the chain is pulled tight and locked, the lever depresses the switch and the fan stays off. When you release the chain, the lever lets off the switch and energizes the fan plug (which yours might be missing...), the door opens, and hopefully the fan works.

Nutone/Broan still makes those things, believe it or not. if you contact them they can probably find you a switch, but from the looks of that one you might just want to replace it.

http://nutone.com/product-detail.asp?ProductID=10173